Standardization of Road Vehicles

Road Vehicle
Standardization

2022

International standardization for road vehicles........... 1
Content of activities by individual TechnicalCommittees/Working Groups....................................... 7
List of ISO/TC22 international standards
published in 2022......................................................... 50

International standardization for road vehicles
Significance of Participation inInternational Standardization
Activities for Road Vehicles
Since automobiles are conglomerations of many components
and parts and also numerous (sub-)systems including software, andstandardization related to compliance, compatibility the safety ofsystems and components/parts used in automobiles hence is important.
Furthermore, globalization in recent years has led to productionof automobiles with the same specifications in various countries.
Standardization to ensure uniform performance and reliability plays an
extremely important role from a management standpoint of improving
the competitiveness of the automotive industry.
Meanwhile, the World Trade Organization (WTO)’s Agreement on
Technical Barriers to Trade (TBT Agreement) aims to eliminate unnecessary
trade barriers by aligning domestic standards to international standards.
The Agreement on Government Procurement, an attachment to the TBTAgreement, calls for stipulation of technology specifications based on thesubject international standards when international standards exist in thecase of government procurement beyond a certain level by Agreement
member countries. International procurements are increasingly specifying
compliance with international standards by proposed technology inareas with international standards as a necessary condition, in addition
to traditional evaluation indicators, such as technology advantage, price(cost performance), and international adoption.
Therefore, active participation in international standardization
activities and positioning of Japan’s excellent technology in open
global standards that reflect international trends in the automotive area
too is vital to enhancement of the international competitiveness of theautomotive industry, a core industry for Japan.
Standardization in the automotive area is implemented mainly
through ISO/TC22, and this pamphlet introduces TC22 and its SCs as
well as related TC/SC activities.

Structure of TC22

page

1

Key roles of standardization:• Securing the compatibility of products. Assurance of interface• Improvement of production efficiency• Assurance of quality• Accurate communication, promotion of mutual understanding• Prevalence of technologies from research and development• Assurance of safety and security• Reduction of environmental burden• Enhancement of industrial competitive strength, preparationof competitive environment• Promotion of trade

TC22 Activities
ISO/TC22-Road Vehicles was established and started activities at thesame time as the formation of ISO in 1947 as the Technical Committee(TC) on international standardization of automotive technology. It
subsequently took shape with 19 subcommittees (SCs), excluding thosesuspended or disbanded from the original 26 SC by technology area, 62
Working Groups (WGs) under SCs, and eight WGs under direct controlof TC22. However, it was reorganized in 2015 to resolve issues, such asdisparities in SC activities driven by gaps between mature technologies
and growth technologies accompanying advances in electronics,
communication and software technologies, operational challenges
related to large variety in organizational composition, and heavy burden
on secretariat countries. The organization currently consists of 11 SCs(from SC31 to SC41). Japan is the chair and secretariat for SC32
that handles electrical and electronic components and general systemaspects, and the chair for SC38 that covers motorcycles and mopeds.
Each SC has various WGs, and Japan actively participates in theseareas and is involved in formulation and revision of ISO standards.

The chart shows the Participating Member countries in TC22,
TC22 SCs, and TC22-related TC/SCs and the number of International
Standards (IS) from these TC and SCs. TC22 currently has 981 IS andanother 188 IS under development (as of October 2022).

TC22 consists of the 38 Participating Member countries.
Furthermore, TC22 has arranged liaisons with many ISO andInternational Electrotechnical Commission (IEC) TCs and SCs andmultiple international organizations.

Participating member countries in automobile-related TC and SC(● chair, secretariat) and number of International Standards(IS) held and under development by each SC
As of October 20, 2022
TC
SC

22

Number of participating member countries

Eu
memberEurope& Africa

FranceGermany
Italy
Netherlands
SwedenBelgium
Austria
Spain
Finland
Portugal
Romania
Lithuania
PolandDenmark
Hungary
Czech Repunlic
Luxembourg
Slovakia
NorwayUnited Kingdom

Others(non-EU)

RussiaSwitzerland
Belarus
Armenia
Ethiopia
UgandaAlgeria
Nigeria
Eswatini
Ireland
Slovenia
Egyot
Tanzania
South Africa
Sudan
Tunisia
North Macedonia

Americas

United States
CanadaMexicoBrazilJapan
Republic of Korea

Asia & Oceania

China
India
IsraelMalaysia
Singapore
Iran
Saudi Arabia
Iraq
JordanKazakhstan
Indonesia
Thailand
Viet Nam
Australia
New Zealand
Bangladesh

38
●
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SC31
22
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SC32
31
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SC33
22
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SC34
18
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SC35
19
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●
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SC38
18
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●
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SC39
20
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SC40
14
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●
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SC41
15
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●
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TC146 TC159
SC6
SC5
24
20
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SC37
23
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SC36
23
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TC43
SC1
29
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Number of

Held

981

150

166

119

112

32

93

28

77

27

66

93

137

51

35

Standards(IS)Under development

188

26

42

20

20

5

20

15

5

7

6

19

21

11

7

page

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International standardization for road vehicles

TC22 Liaison Members (1): ISO, IEC

TC22 Liaison Members (2): Other Organizations

page

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Scope of TC22
All questions of standardization concerning compatibility, interchangeability and safety, with particular reference to terminology and test procedures(including the characteristics of instrumentation) for evaluating the performance of the following types of road vehicles and their equipment as definedin the relevant items of Article 1 of the convention on Road Traffic, Vienna in 1968 concluded under the auspices of the United Nations:• mopeds (item m);• motor cycles (item n);• motor vehicles (item p);• trailers (item q);• semi-trailers (item r);• light trailers (item s);• combination vehicles (item t);• articulated vehicles (item u).

Domestic Activities Related to TC22
ISO only allows one institution per country to be a member body,and in the case of Japan, the Japanese Industrial Standards Committee(JISC) participates in ISO based on Cabinet approval.
Regarding TC22, the Automotive Standardization Committee
established in the Society of Automotive Engineers of Japan, which
received approval from JISC as the TC22 domestic mirror committee,
has the central role. It engages in international standardization activities
and promotes standardization of matters handled by TC22 on behalfof JISC.

The Automotive Standardization Committee implements international
standardization activities related to TC22 while collaborating with
the Ministry of Economy, Trade and Industry (METI), the Japan
Automobile Manufacturers Association (JAMA), the Japan Automobile
Research Institute (JARI), the Intelligent Transport Systems (ITS)Standardization Committee, and others, and it annually formulates
and revises the “Five-Year Plan for Automotive Standardization” thatcovers the next five years.

TC22, TC204 Domestic deliberation structure

JISC:

Japanese Industrial
Standards Committee
JAMA: Japan Automobile
Manufacturers Association
JSAE: Society of Automotive
Engineers of Japan
JARI: Japan Automobile ResearchInstitute

JAPIA: Japan Auto Parts Industries
Association
JABIA: Japan Auto-Body Industries
Association inc.
JEITA: Japan Electronics and Information
Technology Industries Association
DRM: ITS Info-Communications ForumHIDO: Highway Industries Development
Organization
JICE: Japan Institute of Country-ology
and Engineering

JIS:

Japanese Industrial
Standards
JASO: Japanese Automotive
Standards Organization
JEVS: Japan Electric Vehicle
Standard

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4

International standardization for road vehicles

There are mirror 10 subcommittees corresponding to ISO/TC22
SCs and 2 subcommittees of JIS and JASO domestic standards mainly,
under the Automotive Standardization Committee.
Many experts from the various mirror subcommittees of TC22 areparticipating in ISO activities and are involved in the developmentof standards.
Additionally, regarding SC37, JARI is in charge of the domestic
mirror committee.

Domestic mirror organization for SCs under TC22

Harmonization of Automotive Technology Regulations and Standards
Standards have the role of supplementing regulations, and standards
are making technology contributions to regulations in the automotive

area, including adoption of standards formulated by ISO by the United
Nations/Economic Commission for Europe (UN/ECE).

Harmonization of automotive technology regulations and standards

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43rd TC22 Kyoto Plenary meeting Content
The TC22 General Meeting is typically held once every 18 months,
and it has taken place 43 times (including online) thus far. Due tothe spread of COVID-19 pandemic beginning in 2020, international
conferences suspended in-person events and switched entirely to theonline format. Following approval from the ISO Central Secretariat toconduct a hybrid meeting that combined online and in-person forrnats
in June, the 43rd meeting took place as a hybrid event in Japan (Kyoto)in September 2022. This was the first meeting in Japan in 20 years since
the previous one in 2002 (30th meeting).
Countries that regularly participate in the assemblies are France,
which is the TC22 chair and secretariat country, Germany, Italy,
Sweden, the United States, Korea, Japan, and other automobile
manufacturing countries. Over the past few years, China has been a
prominent participant too.
At the 43rd Kyoto Plenary meeting, other participants, besides theabove-mentioned regular participants, were Finland, Nigeria, the United
Kingdom, Malaysia, Canada (P-member), Hungary (O-member) as wellas SC31, SC32, SC33, SC34, SC36, SC37, and SC38 chairs, TC204

and TC268/SC2 chairs as liaisons, and the ISO Central Secretariat.
This event matched the all-time high for the number of participating
countries (12 countries) from the previous online event (42nd).
TC22 has subordinate SCs, and topics related to standard
development are normally discussed at the SC plenary meetings. The
TC22 General Meeting mainly addresses operational topics, such as“confirming content of revisions to the ISO/IEC Directives, reporting
the activities situation at TC22 and individual SC and liaison TC
activities, and confirming the implementation of items decided at theprevious meeting.”
The 43rd General Meeting discussed various activity reports,
TC22 scope revision, SC33 naming and scope revision, the ADCG
(Automated Driving Coordination Group) activities report, and the
ISO－SAE PSDO (Partner Standards Developing Organization; Joint
Standards Development Memorandum situation).
The next general meeting is scheduled to take place in Italy in spring
2024 (between Apr and Jun).

Past TC22 Plenary meetings【Participation format〇：In-person, △：Online】

United States

United Kingdom

Switzerland

Saudi Arabia

North Macedonia

Netherlands

Kazakhstan

〇

〇 〇

35th

Jun 2010

Beijing

China

9

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36th

Oct 2011

Troy

United States

9

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37th

Jun 2013

Gotheborg

Sweden

9

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38th

Jun 2014

Paris

France

10

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39th

Feb 2016 Kuala Lumpur

Malaysia

9

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Oct 2017

BerlinGermany

8

〇

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40th

△

〇

Uganda〇〇Sweden

8

Spain

Korea

Sudan

Seoul

RussiaDec 2008

Portugal

34th

Rumania〇 〇Nigeria〇 〇〇Mexico〇〇〇Malaysia

〇

7

Korea

8

Germany

Lithuania

FranceBerlinItaly

Suresnes

Jun 2007

Japan

Nov 2005

33rd

Iraq

32nd

Israel

〇

Iran

〇

〇 〇

India

Germany〇 〇〇France〇〇Finland〇7

Ethiopia

8

Italy

China

Japan

Rome

Eswatini

Kyoto

May 2004

CanadaOct 2002

31st

Belarus30th

Belgium

Participating countries

Austria

Country

Algeria

Location

Armenia

Event Month/year（Chair, chair
country)

Bangladesh

P－Member countries

〇

〇

〇

〇

〇

41st

Jun 2019

Troy

United States

9

〇

〇

〇

〇 〇

〇

42nd

Apr 2021

Online

－

12

△

△

△

△

△ △

△

△

43rd

Sep 2022

Kyoto

Japan

12

△ △

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△

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△ △

△ △

△

△

Photos from the TC22 Kyoto General Meeting event

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SC31 Data Communication
Scope
Data communication for vehicle applications
This includes• Data buses and protocols (including dedicated sensor communication)• V2X communication (including V2G)
• Diagnostics• Test protocols• Interfaces and gateways (including those for nomadic devices)• Data formats• Standardized data content

Activities
Standardization activities related to communication inside andoutside of vehicles has been handled by SC3 since ISO launchedTC22. With consumer communications technology as the background,communications technology applied to vehicles has advanced in speed,
diversity, and complexity accompanying technology advances in thevarious types of equipment utilized in vehicles, and the expanded scaleand lengthening of the standardization development efforts related tovehicle communication accompanying these advances has become aserious issue.
Since vehicle communications, including communications between

units within a vehicle and technology for communication with devices
outside of the vehicle, is an important technology component that
underpins many new technologies and standardization activities are
expanding with standardization scope extending to use cases, protocols,
and the physical layer, the TC22 reorganization in 2015 created SC31
(Data communication), and eight WGs are conducting activities as ofNovember 2022.
The SC31 general meeting held in November 2022 decided todissolve WG7 because it completed initial activity goals.

List of subordinate WGs

Subordinate WGs
SC31

page

7

Name

Chair

Secretariat

Data Communication

Germany

Germany

JWG1

Vehicle to grid communication

Germany/
FranceGermany/
FranceWG2

Vehicle diagnostic protocols

Germany

Germany

WG3

In-vehicle networks

Germany

Germany

WG4

Network applications

Germany

Germany

WG5

Test equipment/Data eXchange Formats

FranceFranceWG6Extended vehicle/Remote diagnostics

FranceFrance

WG7

Electronic periodic technical inspection (ePTI)

Germany

Germany

WG9

Sensor data interface for automated driving functions

Germany

Germany

Relatedstandardization
entitiesIECWG activities● JWG1 Vehicle to grid communication
JWG1 handles development of the ISO 15118 communications
standard for charging control between an electrically propelled vehicle
and charging point. It started activities as a Joint Working Group (JWG)
between ISO/TC22/SC31 and IEC/TC69 (electrically propelled roadvehicles) in 2009.
In first-generation standards, ISO 15118-1 (General information anduse-case definition), ISO 15118-2 (Network and application protocol
requirements), and ISO 15118-3 (Physical and data link layer requirements)
were published as IS in 2013-2015 as communication standards to control
conductive charging. ISO 15118-4 (conformance standard with ISO
15118-2) and ISO 15118-5 (conformance standard with ISO 15118-3)
were published as IS in 2018. Furthermore, ISO 15118-2 and ISO 151184 are currently under review with the aim of issuance as 2nd editioninternational standards in 2023.
In second-generation standards, the security performance isbeing improved and the scope of application to bidirectional powertransfer (BPT), wireless power transfer (WPT), automated connecting
devices (ACD) is being expanded. ISO 15118-1 (2nd edition) was
published in April 2019, ISO 15118-8 (Physical layer and data link
layer requirements for wireless communication; 2nd edition) was
published in September 2020, and ISO 15118-20 (Network layer andapplication layer requirements) was published in April 2022 as IS.
Reviews are currently taking place with the goals of international
standardization of ISO 15118-9 (conformance test standard with ISO
15118-8) in 2023 and international standardization of ISO 15118-21(conformance test standard with ISO 15118-20) at the end of 2024.
● WG2 Vehicle diagnostic protocols
WG2 standardized the diagnostic communication protocol related tovehicle trouble diagnosis. It develops the ISO 15031 standard, which isreferenced by passenger vehicle OBD (on-board diagnostics) regulations
related to emissions, the ISO 27145 standard, which is referenced by heavy
vehicle OBD regulations, and the ISO 14229 standard, which defines UDS(unified diagnostics service) that supports realization of software updates
and other expanded functions not requested by OBD regulations via astandardized communication protocol.
Recently, it added security-related functions to address information
security and steadily advancing communications methods, developed theISO 15765 standard, which defines DoCAN (diagnostic communication
over Controller Area Network) for deployment of diagnostic
communications function over CAN, and developed the ISO 13400
standard, which defines DoIP (diagnostic communication over Internet
Protocol) for deployment of diagnostic communications function overthe Internet Protocol. It is also reviewing revisions to existing standards
to address new demands.
● WG3 In-vehicle networks
WG3 develops standards on the communications protocol in-vehicle
networks and evaluation methods. Some examples are CAN (ISO11898, ISO 16845), LIN (ISO 17987), MOST (ISO 21806), FlexRay(ISO 17458), as well as CXPI (ISO 20794), which Japan has proposed,and vehicle Ethernet (ISO 21111). Regarding CAN, WG3 has started an
update of ISO 11898 aimed at integration of the CAN XL standard that
supports a larger payload and delivers a data rate up to 10Mbit/s. Since
MOST (Media Oriented Systems Transport) conducts synchronous time
division multiplexing transmission, it stipulates criteria for deployment
in multimedia devices and compatibility tests in accordance with
the OSI (Open Systems Interconnection) reference model. Parts 8
and 9 defined the physical layer using plastic optical fiber. CXPI is astandard that covers HMI (Human machine interface) systems, which
multiplexes wiring between the electric control device and switches,
sensors, motors, relays, and lamps, formulated in 2020. The vehicle
Ethernet standard (ISO 21111) series shown in the following figure
defines vehicle network criteria not covered in the basic Ethernet
communications criteria (ISO/IEC/IEEE 8802-3), such as the wake-up
function. The criteria and test plan create document groups based on
physical medium and transmission speeds used in adherence to ISO/
IEC/IEEE 8802-3 amendments. Parts 3-5 defines 1Gbit/s light, andParts 6-8 stipulates the 100Mbit/s electric physical layer. Parts 1-5 were
published in 2020, Parts 6, 10 and 11 in 2021, and Part 8 in 2022.

ISO 2111 series scheme

Source: ISO 21111-1
page

8

● WG4 Network applications
WG4 handles standardization of communications functions usedin operating designated applications between ECUs connected over a
vehicle network or between an external tool connected via an external
electronic interface and an ECU.
The video communication interface for cameras (ISO 17215)
was defined in ISO 17215 as an interface that supports efficient
communication of information between the camera sensor and control
unit to address increase in the volume of information being handled dueto the rising number and enhanced functionality of installed cameras
amid widespread introduction of driving assistance systems using
camera sensors in recent years. SAE J1939, the base for interchangeof digital information on electrical connections between towing andtowed vehicles (ISO 11992), is a standard designed for the networkand communication in the commercial vehicle powertrain with CAN
transmission speeds of 250Kbit/second and 500Kbit/second. ISO
11992 is a derivative standard that only defines a transmission speedof 125Kbit/second and is widely used in transmission of trailer ABS
signals. Airbag disposal (ISO 26021) is necessary to ensure safeand effective deactivation of airbags installed in vehicles in vehicle
recycling. Global automotive industry associations (ACEA, Alliance,
JAMA, and KAMA) started development of the realization method
and the first edition as the ISO 26021 series was published in 20082009 with standardization of communications functions based on ISO
14229-1 (UDS), which is already an international standard, between
the airbag disposal tool and airbag control unit utilizing an external
electronic interface connected via the trouble diagnosis connector.
Discussions are currently taking place for publication of a second
edition that strengthens security and supports CAN FD (flexible datarate) and diagnostic communication over Internet Protocol (DoIP).
● WG5 Test equipment/Data eXchange Formats
WG5 handles standardization of the data exchange format
between development environments and with test equipment. It
has defined standards related to specification description formats,such as ODX (Open Diagnostic Data eXchange) and OTX (Open
Test sequence eXchange format), and also standardized the open
interface for embedded vehicle applications, graphical symbols
for the trouble diagnosis system, and the communication interface
between test equipment and the ECU called MVCI (Modular Vehicle
Communication Interface). These standards are widely used inconnections to system development environments, on-board and offboard equipment, and connections to the cloud. Various regulations
have been reviewing references in recent years.

page

9

● WG6 Extended vehicle/Remote diagnostics
WG6 handles standardization of the interface used to disclose
vehicle information from a server managed by the automaker to a third
party. This interface standard, which is called Extended Vehicle, aims
to provide vehicle information while curtailing information security
risk to address the need for use of vehicle information from a remotelocation that is away from the vehicle, such as in remote trouble
diagnosis service. After a proposal as standardization of an interface forvehicle information with a party located outside of the vehicle in May
2014, ISO established TC22/SC31/WG6 as part of its reorganization
and began the standardization work. Japan established the Vehicle
Information Interface SubCommittee under the Vehicle Communication
Committee in FY2015 to handle the process. First-edition IS (ISO20077-1 Methodology, ISO 20078-1, 2, 3 Web Services, ISO 20080
Remote Diagnostic Service) was published through 2019. Revision
discussions were held after IS publication mainly toward publicationof a second edition in the ISO 20078 series, and the second edition was
published in November 2021. The main change in the revised version
was addition of details on the API related to the container function thatprovides vehicle information as packages of specified combinations.
Separately, activities are proceeding on standardization of theprocess for third parties to request data disclosure from OEMs anddiscussion of the necessity of standardizing the vehicle information
format. Considering likely increase in new services that utilize vehicle
information, there is a possibility of reviews of additional use cases
other than remote trouble diagnosis service utilizing the Extended
Vehicle concept over the longer term.
Main extended vehicle interfaces

Source: ISO 20077-1

● WG7 Electronic periodic technical inspection (ePTI)
WG7 standardized communication functions needed in the inspection
for electronic Periodic Technical Inspection (ePTI), which is one ofthe vehicle inspection items in European countries, as ISO 20730,
including a readout of vehicle information used to reach a judgementon the vehicle state and diagnostic communication for forced driveused in observational judgement. ISO 20370 aimed to improve theinspection capability of the vehicle inspection program and boost
inspection efficiency and carried out standardization of communication
functions based on ISO 14229-1 (UDS) that has already been adopted
as an international standard. It discussed requests for next-generation
ePTI, mainly from Germany, and necessary diagnosis communication

functions for trouble state and other system information in the vehicle
readout and an anticipated use case of inspection in a PTI lane.
Documents were prepared for the ISO 20730 series (ISO 20730-1:
Diagnosis communication requirements, ISO 20730-2: Diagnosis
communication requirements conformance test plan, ISO 20730-3:
Diagnosis communication requirements-related data definitions). IS
publication occurred for ISO 20730-1 in April 2021 and ISO 20730-3
in October 2021. ISO 20730-2 finished the DIS vote in April 2022 andwas published as an IS in November 2022. As a result, the SC31 general
meeting held in November 2022 decided to dissolve WG7 because it
completed initial activity goals.

Flow of electronic periodic technical inspection under review for standardization in the ISO 20730 series● WG9 Sensor data interface for automated driving
functions
WG9 handles standardization of the sensor interface for input tothe automated driving function. ISO 23150, which is covered by theactivities, defines the logical interface between a sensor and the fusion
unit and was published as an IS in May 2021. Content stipulated in

the standard uses logical and abstract expressions from strictly definedcommunication content. While it also defines detailed enumerators,
it is interpreted as allowing expansion required in actual installation.
Discussions on the second edition that target FDIS in December 2022
and IS publication in May 2023 are currently advancing.

Logical interface between sensors and the upper fusion unit standardized by ISO 23150 (section 2 in the diagram)

Source: ISO 23150
page

10

SC32 E lectrical and electronic components and generalsystem aspects
Scope
Electrical and electronic (E/E) components and cross-sectional specifications for E/E systems and components
This includes:• Wiring harness (e.g. cables, connectors, interconnections)• Dedicated connectors (e.g. trailer connectors, OBD-connector)• Dedicated E/E components and parts (e.g. alternators, fuses, ignition equipment)• EMC• Environmental conditions• Functional safety• Cybersecurity• Dedicated optical components• Software update

Activities
SC32, which handles electrical and electronic components and generalsystem aspects that comprise vehicles, covers standardization of a wide
range of areas related to electronic components from technology scopeof functional safety that defines electrical and electronic components
and general system-level safeness and response process to cybersecurity
accompanying digitalization of vehicle control systems and other systemmatters to wiring harnesses and dedicated connectors and EMC-related
testing methods.
In recent years, WG7 “Functional characteristics of starting devices

and electrical generators” has been disbanded since its activities with thecompletion of the standard. WG14 “Safety and Artificial Intelligence”
has been newly established. Ad-hoc groups have also been established
to examine issues related to “test method for automotive LIDAR”,“cooperative interference mitigation of automotive millimeter-wave radar”
and “test method for detection performance of mili-meter wave radar”.
Additionally, Japan is SC32’s chair and secretariat and proactively
contributes to international standardization activities.

List of subordinate WGs

Subordinate WGs
SC32

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11

Name

Chair

Secretariat

Electrical and electronic components and general system aspects

Japan

Japan

WG1

Ignition Equipment

Germany

Germany

WG2

Environmental conditions

Germany

Germany

WG3

Electromagnetic compatibility

FranceFranceWG4Automotive electrical cables

U.S.

U.S.

WG5

Fuses and circuit breakers

Germany

Germany

WG6

On-board electrical connections

Germany

Germany

WG8

Functional safety

Germany

Germany

WG9Electrical connections between towing and towed vehicles

U.K.

U.K.

WG10

Optical components — Test methods and requirements

Japan

Japan

WG11

Cybersecurity

Germany

Germany

WG12

Software update

Japan

Japan

WG13

Safety for driving automation systems

Germany

Germany

WG14

Safety and Artificial Intelligence

Germany

Germany

Relatedstandardization
entities

IEC

SAE

Main WG activities● WG2 Environmental conditions
WG2 is a working group that covers environmental conditions related
to vehicle electronic and electrical components. Handled standards
include the ISO 16750 series that stipulates environmental resistancetest methods for 12/24V components (Part 1 (general), Part 2 (electricalloads), Part 3 (mechanical loads), Part 4 (climatic loads), Part 5(chemical loads)), ISO 21780 that stipulates electrical load test methods
for 48V hybrid systems that have started commercialization mainly inEurope, the ISO 19453 series that stipulates environmental resistancetest methods for voltage class-B components (Part 1 (general), Part 3(mechanical loads), Part 4 (climatic loads), Part 5 (chemical loads), Part
6 (traction battery packs and systems)), and ISO 20653 that stipulates
degrees of protection (IP code) of electrical equipment for automobiles.
WG2 contributes to ensuring the reliability of automobiles used inharsh environments through these standards.
Because of advances in technology innovations in the new area
(referred to as CASE) in recent years, 12/24V components need to provide
even more reliability than previously and high-voltage components are
increasing along with widening inroads by electrically propelled vehicles.
Given this backdrop, WG2 is proceeding with a review of environmental
resistance test methods that go beyond the existing framework for
12/24V electronic and electrical components. Formulation of a new
standard that combines high-voltage part environmental resistance test
methods (ISO 19453-1/3/4/5) and 12/24V part environmental resistancetest methods (ISO 16750-1/3/4/5) with the aim of broadening application
scope to trucks, buses, and other electrically propelled commercial
vehicles and improving user standard viewing convenience has started
based on a Japanese proposal, and review work is proceeding with agoal of publication in 2023. WG2 is also implementing revisions that
seek to clarify test methods and requested performance in 12/24V part
environmental resistance test methods (ISO 16750-2). It should continue
to make steady advances in related standards.
List of standards handled by WG2● WG4, 6, 10 High-speed communication components andparts and optical communication
Development of ultra-high speed communication standards neededin automated driving systems and other applications is proceeding, andmultiple de-facto standard development organizations are discussing
10Gbit/s and faster standards. To support this, standardization ofan optical harness (ISO 24581) that complies with a variety ofcommunication standards, including Ethernet communication, and iscapable of extension of up to 100Gbit/s communication to a maximum
distance of 50m is taking place. Because of limitations on installation
range of ultra-high speed communication needed by automated driving
systems in electric communication from losses and EMC measures,
replacement with optical communication that is broadband and offers
excellent noise resistance could extend the installation range of
automated driving system units and improve reliability.
Optical harnesses handled ・by
WG10 (ISO 24581)
Navigation
・Drive recorder・Interior monitoring camera
・Driver sensor

・Head-up display
・4K/8K display
・Video storage
・Emergency communication/mayday system

・Medium-range radar
・Long-range radar
・Wide-angle high-precision
camera・Rider・Ultrasound sensor
・Medium-range radar

・Medium-range radar
・Wide-angle high-precision
camera・Rider・Ultrasound sensor
・Medium-range radar

・Wide-angle camera (left/right)
・Ultrasound sensor (left/right)● WG8 Functional safety/SOTIF
ISO 21448 (Safety of the intended functionality; SOTIF) is an important
standard and guide for development of safety in future automateddriving and vehicle electronic systems with increasingly advanced andsophisticated functionality, along with ISO 26262 (Functional safety) thathas already taken hold. It was officially published at the end of June 2022.
While development work is currently proceeding on ISO TS 5083, ISO
34502, UL 4600, and other international standards related to the design
method and evaluation method for development of advanced automateddriving systems, these standards refer to ISO 26262 and ISO 21448
as main assumptions. Additionally, ISO 26262 has started discussing
initiatives with next-generation issues in a scenario of broader CASE
advances in the future and anticipates growing utilization of functionalsafety-related standards.

Standards handled by WG8

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12

● WG11 Cybersecurity
ISO/SAE 21434 formulated by SC32/WG11 was published as an
IS in August 2021, and ISO PAS 5112 was published in March 2022.
ISO/SAE 21434 and PAS 5112 are important standards and guides
for regulatory response referenced in the Interpretation Document for
UN-R155 (cybersecurity) prepared by UNECE WP29 (World Forumfor Harmonization of Vehicle Regulations). Many vehicles headed
to countries adapting regulations based on UN-R155 are expected torely on ISO/SAE 21434 and ISO PAS 5112. Cybersecurity measuresare essential considering CASE advances, and almost all vehicles
developed in the future are likely to utilize these standards.

WG11 activities● WG12 Software update
Electronic control systems used in automobiles have become
increasingly important and complicated in recent years. The use caseof updating vehicle software in order to strengthen control functions
or maintain cybersecurity performance in already sold vehicles has
emerged. This means it is necessary to not only develop software as partof vehicle development but also fulfill a new process of continuously
updating software in already developed vehicles. Establishment of asoftware update process and application of this process is important inensuring software quality and also providing sufficient cybersecurity
and safety.
Vehicle software updates take place using a customized tool at the
dealer or over-the-air (OTA). With wider adoption of the software
update use case, it is necessary to correctly manage existing system
configuration information (hardware version, software version) ofindividual vehicles.
With this backdrop, UN-R 156 “Software update” (United Nations
regulation) requests proper software management and updates tointended software.
SC32/WG12 formulated ISO 24089 “Software update engineering”
as a guideline for the regulation. This standard defines the necessary
process to safely and reliably update software and the process to createhigh-quality software update packages and basic requirements tocorrectly implement and maintain these processes.

● WG13 Safety for driving automation systems
In February 2021, WG13 (Safety for driving automation systems)
was established under SC32 for the purpose of developing standard
documents related to the safety of level-2 and above driving automation
systems. While technologies that comprise driving automation systems
are not limited to electronic and electrical components, this WG wasplaced under SC32, since functional safety, SOTIF, cybersecurity, and
page

13

other approaches provide the foundation of safety reviews.
ISO/TS 5083 (Safety for automated driving systems – Design,
verification and validation) currently being developed aims to be a
document that comprehensively handles system safety consideringsystematized safety arguments related to automated driving systems.
The starting point of this TS refers to TR 4804 published in 2020 which
includes aspects such as setting safety goals, risk assessment, attainmentof safety goals by design, and verification and validation methods. Thiseffort is attracting strong interest from not only the automotive industry
but also related stakeholders due to anticipated impact on United
Nations rules and safety standards for automated driving vehicles invarious countries.
If development activities proceed smoothly, it could be published
as a TS in 2023 and then begin review as an ISO standard. While
one of the purposes of this standard is quantification of requirements
related to automated driving system safety, the biggest challenge isfiguring out alignment of the criteria because of various approaches andimplementation examples of automated driving initiatives in various
countries. Furthermore, since this standard involves comprehensive
content, it needs to be aligned with existing standard documents(functional safety, SOTIF, cybersecurity, driver monitors, safetyvalidation, MRM, etc.).
● WG14 Safety and Artificial Intelligence
In September 2021, Safety and Artificial Intelligence: WG14 waslaunched under the umbrella of SC32 with the aim of developing
standard documents for the safety of automotive electronic systems
using artificial intelligence (AI) technology.
As automotive electronic systems such as autonomous driving
become more sophisticated, the use of artificial intelligence (AI)technology has increased significantly in recent years, and the benefitsof this technology have become indispensable. However, the functions
enabled by AI technologies, such as machine learning, can be difficult
to explain why they behave in a particular manner or to guarantee
their performance, so special care must be taken when applied in andaround safety-related systems. Therefore, there was an urgent need todevelop guidance on how to apply AI technology to safety-impacting
automotive electronic system functions, and the development of PAS
8800 was initiated at WG14. It is being developed with an emphasis onalignment, interrelation and consistency with the existing automotive
safety standards ISO 26262 (FuSa), ISO 21448 (SOTIF), and related
under developing standards ISO/TS 5083, TR 5469.

List of SC32 work items (as of August 2022)
ISO/AWI 6518-1

Ignition systems — Part 1: Vocabulary

WG1

ISO/AWI 6518-2

Ignition systems — Part 2: Electrical performance and function test methods

WG1

ISO/AWI 11565

Spark-plugs — Test methods and requirements

WG1

ISO 17447-1

Glow-plugs with conical seating and their cylinder head housing — Part 1: Basic characteristics and dimensions formetal-sheath-type glow-plugs

WG1

ISO/CD 28741

Spark plugs and their cylinder head housings — Basic characteristics and dimensions

WG1

ISO/CD 16750-1

Environmental conditions and testing for electrical and electronic equipment — Part 1: General

WG2

ISO/CD 16750-2

Environmental conditions and testing for electrical and electronic equipment — Part 2: Electrical loads

WG2

ISO/CD 16750-3

Environmental conditions and testing for electrical and electronic equipment — Part 3: Mechanical loads

WG2

ISO/CD 16750-4

Environmental conditions and testing for electrical and electronic equipment — Part 4: Climatic loads

WG2

ISO/CD 16750-5

Environmental conditions and testing for electrical and electronic equipment — Part 5: Chemical loads

WG2

ISO/DIS 20653

Degrees of protection (IP code) — Protection of electrical equipment against foreign objects, water and access

WG2

ISO/DIS 7637-1

Electrical disturbances from conduction and coupling — Part 1: Definitions and general considerations

WG3

ISO/TR 7964

Future directions for vehicle EMC validation — Adapting to emerging complex systems and safety considerations(including functional safety and SOTIF)

WG3ISO/DIS 10605

Test methods for electrical disturbances from electrostatic discharge

WG3

ISO/AWI 11451-1
ISO/AWI 11451-2
ISO/CD 11451-3
ISO 11451-4
ISO/DIS 11451-5
ISO/CD 11452-1
ISO/DIS 11452-8
ISO 11452-9
ISO/AWI 11452-11

Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 1: Generalprinciples and terminology
Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 2: Off-vehicle
radiation sources
Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 3: On-board
transmitter simulation
Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 4: Harness
excitation method
Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 5:
Reverberation chamber
Component test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 1: Generalprinciples and terminology

WG3
WG3
WG3
WG3
WG3
WG3

Component test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 8:
WG3
Immunity to magnetic fields
Component test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 9: Portable
WG3
transmitters
Component test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 11:
WG3
Reverberation

ISO/AWI TR 17716

Electrical disturbances from narrowband radiated electromagnetic energy — Radiated immunity for V2X

WG3

ISO/DIS 19642-1

Automotive Cables — Part 1: Vocabulary and design guidelines

WG4

ISO/DIS 19642-2

Automotive Cables — Part 2: Test methods

WG4

ISO/DIS 19642-11

Automotive Cables — Part 11: Dimensions and requirements for coaxial RF cables with a specified analog bandwidth up
to 6 GHz (20GHz)

WG4

ISO/DIS 19642-12

Automotive cables — Part 12: Unscreened paired or quad RF cables with a specified analog bandwidth up to 1 GHz

WG4ISO/AWI 8820-3

Fuse-links — Part 3: Fuse-links with tabs (blade type) Type C (medium), Type E (high current) and Type F (miniature)

WG5

ISO/AWI 8820-4

Fuse-links — Part 4: Fuse-links with female contacts (type A) and bolt-in contacts (type B) and their test fixtures

WG5

ISO/AWI 10924-1

Circuit breakers — Part 1: Definitions and general test requirements

WG5

ISO/AWI 10924-2

Circuit breakers — Part 2: User’s guide

WG5

ISO/AWI 10924-3

Circuit breakers — Part 3: Miniature circuit breakers with tabs (Blade type), Form CB11WG5

ISO/AWI 10924-4

Circuit breakers — Part 4: Medium circuit breakers with tabs (Blade type), Form CB15WG5ISO/AWI 10924-5

Circuit breakers — Part 5: Circuit breakers with bolt with rated voltage of 450 V

WG5ISO/AWI 8092-6
ISO/AWI 8092-7

Connections for on-board electrical wiring harnesses — Part 6: In-vehicle Ethernet, general performance requirements
and interface definitions
Connections for on-board electrical wiring harnesses — Part 7: Electrical connection requirements, test methods andinterface definition for miniaturized coaxial connections

WG6
WG6

ISO 21111-8

In-vehicle Ethernet — Part 8: Electrical 100-Mbit/s Ethernet transmission media, components and tests

WG6

ISO/CD 8092-2

Connections for on-board electrical wiring harnesses — Part 2: Definitions, test methods and general performancerequirements

WG6

ISO 24195

Vocabulary for engineering of starting devices

WG7

ISO/AWI PAS 8926

Functional safety — Qualification of pre-existing software products for safety-related applications

WG8

ISO/AWI TR 9839

Application of predictive maintenance to hardware with ISO 26262-5

WG8

ISO/AWI TR 9968

Functional safety — The application to generic rechargeable energy storage systems for new energy vehicle

WG8

ISO 21448

Safety of the Intended Functionality (SOTIF)WG8ISO/CD 24581

General requirements and test methods of in-vehicle optical harnesses for up to 100Gbit/s communication

WG10

ISO/PAS 5112

Guidelines for auditing cybersecurity engineering

WG11

ISO/SAE 21434

Cybersecurity engineering

WG11

ISO/SAE PWI 8475

Cybersecurity Assurance Levels (CAL) and Target Attack Feasibility (TAF)

WG11

ISO/PWI 8477

Cybersecurity verification and validation

WG11

ISO/DIS 24089

Software update engineering

WG12

ISO/AWI TS 5083

Safety for automated driving systems — Design, verification and validation

WG13

ISO/AWI PAS 8800

Safety and artificial intelligence

WG14

ISO/PWI 13228

Test method for automotive LiDAR

SC32

ISO/PWI 13377

Guidelines for cooperative interference mitigation of automotive millimeter-wave radar

SC32

ISO/PWI 13389

Test method for detection performance of millimeter-wave radar

SC32

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14

SC33 Vehicle dynamics, chassis components and driving
automation systems testing
Scope
Lateral, longitudinal and vertical vehicle dynamics and controls/systems/functions affecting vehicle dynamics, such as chassis components, wheels,
steering, brakes and suspension. This includes automated driving, means and performance of collision avoidance and mitigation.

Activities
SC33 was established as part of the ISO/TC22 reorganization in 2015
by combining former SC2 (Braking systems and equipment), former SC9(Vehicle dynamics and road-holding ability), former SC19 (Wheels), and
WG16 (Active Safety test equipment) under TC22 and adding a new WG
to cover ADAS (Advanced Driver-Assistance Systems) performance
evaluation. Since then, it reorganized and newly established the breakrelated WG and newly established WG9 (Test scenario of automateddriving systems).

At the SC33 plenary meeting in June 2021, there was discussion ofchanging the SC name because the name did not address the WG3/9/16
projects or the related SC scope. Japan’s proposed SC name ultimately
obtained support from participating countries and was subsequently
confirmed by the TC22 plenary meeting in September 2022. It also
adds the term “vertical” to scope in light of the expansion of WG2
activity items.

List of subordinate WGs
Subordinate WGs
SC33
WG2

Chair

Secretariat

Vehicle dynamics, chassis components and driving automation systems testing

Name

Germany

Germany

Vehicle dynamics of passenger cars

SwedenSwedenGermany

Germany

WG3

Driver assistance and active safety functions

WG5

Wheels

WG6

U.S.

U.S.

Vehicle dynamics of heavy commercial vehicles and buses

SwedenSwedenWG9Test scenarios for automated driving systems

China

China

WG10

Brake linings and friction couples

Germany

Germany

WG11

Simulation

Republic of
Korea

Republic of
Korea

WG14

Brake fluids

Germany

Germany

WG15

Field load specification for brake modulation systems

Germany

Germany

WG16

Active Safety test equipment

SwedenSwedenSC33 is a subcommittee handling a very large number of standards, even within TC22, and has already published 118 standards and is currently
working on formulation or revision of 28 standards (as of September 2022).

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15

WG activities● WG2 Vehicle dynamics of passenger cars
Emphasis is shifting to standards that assess passenger comfort
in order to address the coming automated driving era. The standard
defining general test conditions on ride comfort promoted since FY2020
have been published. The candidate as the next theme is a standard
on tests that evaluate motion sickness. Generally, the driver who canforecast vehicle motion more easily is less likely to experience motion
sickness while passengers who have difficulty forecasting motion are

more susceptible to feeling motion sickness. Since everyone in thevehicle becomes a passenger in automated driving, causing less motion
sickness is likely to be an important product feature. WG2 continues
to collect information from motion sickness experts in FY2021 withthe aim of formulating a standard on a motion sickness indicator andtest method. Additionally, Germany submitted a proposal to formulate
safety guidelines for a steer-by-wire system as an ADS/ADAS device.

Main work items of WG2
WG2

Standardization themes

1Road vehicles — Vehicle dynamics test methods — Part 3:
General conditions for passenger cars ride comfort tests● WG3 Driver assistance and active safety functions
This WG is accelerating standardization of a performance evaluation
test method related to evaluating performance of an advanced driverassistance system, and multiple standardization themes are moving

ISO Number
ISO 15037-3

Content
Standardize and issue general conditions forpassenger car ride comfort tests

forward. Since it is necessary to harmonize the domestic assessment
test method, Japan is actively participating to ensure reflection of its
opinions.

Example of a completed AEBS car-to-car performance test method (ISO 22733-1)

Main work items of WG3
WG3
1
2
3

Standardization themes
Test method to evaluate the performance of autonomous
emergency braking systems — Part 2: Car-to-pedestrianTechnical characteristics for partial automated hands-free
driving system
Test method to evaluate the performance of Acceleration
Control for Pedal Error (ACPE)

ISO Number

Content
Standardizes the method to evaluate AEBS
(car-to-pedestrian) performanceStandardize the definition of a hands-free
AWI PAS 11585
advanced driving assistance system
Standardize a test method to evaluate thePWI PAS
performance of Acceleration Control for
Pedal Error (ACPE)
PWI 22733-2

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16

● WG5 Wheels
This WG has published 11 ISO standards, including the former
SC19 era, but is currently entirely focused on standard updates andrevisions. While there was interest in formulating an ISO standard for
biaxial testing, a new test method, a few years ago, nothing specificis occurring at this point. Additionally, despite mention at the WG5meeting in October 2022 of intent to review a biaxial testing method forcommercial vehicle wheels and ISO standardization of the CFRP wheel
test method as possible future WG5 meeting work, nothing specific has
started yet.

Main work items of WG5
WG5

Standardization themes

1Road vehicles — Wheels/rims for commercial vehicles —Test methods

2

Commercial vehicles — Wheel-hub attachment dimensions AWI 4107

● WG6 Vehicle dynamics of heavy commercial vehicles andbuses
While efforts mainly involved standardization of the open-loop
test method for evaluation of vehicle dynamics of heavy commercial
vehicles and buses up to now, standardization related to the recent
development trend of automated driving and advanced driver assistancesystems and model-based development has increased. For automateddriving and advanced driver assistance systems, activities involve
standardization of the evaluation method for vehicle systems from the

ISO Number
PRF 3894

Content
Commercial vehicle wheel test method– Mistake correction and overall content
revision
Commercial vehicle wheel-hub attachment
dimensions – Dimension allowance mistakecorrection and revisionvehicle dynamics perspective. For model-based development, activities
have a broad scope from the simulation method to the measurement
method of actual vehicle features that are the major parameters. Thisis a WG that has been sensitive to societal and industry trends, andrecent scope clearly commented on handling these new areas. However,despite the vehicle dynamics approach, the extent to which meaningful
standardization is possible remains unclear in areas that do not haveestablished base technology such as automated driving and advanced
driver assistance systems.

Main work items of WG6
WG6

Standardization themes

1
2

Heavy commercial vehicles and buses — Tyre model for linear
AWI 23373
range lateral stability estimation of heavy vehicle combinations● WG9 Test scenarios for automated driving systems
WG9 (Test scenarios for automated driving systems), which covers
standardization of the test scenarios for automated driving, wasestablished in 2018 and started standardization of a framework toevaluate safety. In 2022, it issued the Scenario based safety evaluation
framework (ISO34502:2022), as the main standard and proposed thescenario-based safety evaluation process (Figure a below) and thephysical principles scenario-based approach as a detailed method(Figure b below). Japan proposed the scenario-based safety verification
scheme, which it is proposing to UN/ECE’s VMAD, as an international
standard too and is leading discussion of automated driving safety ininternational society.

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17

ISO Number

Heavy commercial vehicles and buses — Calculation
method for steady-state rollover threshold

FDIS 22135

Content
Standardize the desk test method for tilt
angle factoring in tyre, suspension, andother deformation
Standardizes the linear tyre model for lateralstability estimation of vehicle combinations

a) Scenario-based safety evaluation flowb) Outline of the physics principles scenario-based approach for ADS safety evaluation

Main work items of WG9
WG9Standardization themes

ISO Number

Content

1

Road vehicles — Test scenarios for automated driving
systems — VocabularyISO
34501:2022

Standardizes terms and definitions of test
scenarios for automated driving systems

2

Road vehicles — Test scenarios for automated driving
systems — Scenario based safety evaluation framework

ISO34502:2022

Standardizes the guidance and frameworkof test scenarios and scenario based safety
evaluation for automated driving systems

3

Road Vehicles — Test scenarios for automated driving
systems — Taxonomy for operational design domain

DIS 34503

Standardizes ODD taxonomy for automateddriving systems

4

Road vehicles — Test scenarios for automated driving
systems - Scenario categorization

CD 34504

Standardizes categorization in test
scenarios for automated driving systems

5

Road vehicles — Test scenarios for automated driving
systems – Scenario evaluation and test case generation

NWIP 34505

Standardizes test scenario evaluation andtest case generation for automated driving
systemspage18

● WG10 Brake linings and friction couples
Friction-related activities picked up again in 2015, and WG10 (Brake
linings and friction couples) was established as a new WG in October
2018. WG10 holds a WG meeting at EuroBrake, an annual event, andexperts from various countries (mainly European countries) participate.
Japan participates in not only individual standardization themes but

also reports and promotes progress in standardization activities with
JSAE/JAMA/JARI collaboration. These efforts led to Japan’s presenceon the brake emission measurement method (WP29.GRPE.PMP-IWG),
the brake friction-material metal pick-up test method (ISO PAS 22596),
and other themes.

Main work items of WG10
WG10Standardization themes

ISO Number

Content

1

Road vehicles — Dynamometer metal pick-up generation
procedure for disc brakes

PAS 22596

Converts the dynamometer metal pick-up
test procedure for disc brakes from PAS
to IS

2

Road vehicles — Friction-relevant brake disc specificationPWI 4792

Standardizes friction-relevant brake disccharacteristic specifications

3

Road vehicles — Brake linings — Compressive strain test
methods

ISO 6310

Revises the friction materials compression
strain test method

4Road vehicles — Brake linings frictions materials — Visualinspection

DIS 22574

Converts visual inspection guidelines fromPAS to IS

5Road vehicles — Brake linings frictions materials — Dragmode friction test for hydraulic and pneumatic vehicle
brakesAWI PAS 13146 Drag mode test method● WG11 Simulation
For simulation, the vehicle model classification standard related
to steering, powertrain, braking amongst others (ISO 11010-1) was
published. Verification using the vehicle dynamics simulation model isincreasingly needed as a method of curtailing design and test verification
work related to automated driving and advanced driver assistancesystems, and WG11 proposes a model verification standard for vehicle
behaviors above, such as micro-steering, letting-go and parking as PWI.
In addition, Germany proposed a perception sensor model standard asa PWI candidate. From now on, the definition of simulation of to behandled by SC33 in cooperation with other SCs will be discussed.

Main work items of WG11WG11
1Standardization themes
Passenger cars — Simulation model classification —Part 1: Vehicle dynamics● WG14 Brake fluids
Japan is taking the initiative in revisions to Specification of nonpetroleum-based brake fluids for hydraulic systems (ISO 4925) in orderto sustain and enhance brake fluid quality in the global market, including
emerging countries. It is continuing activities to revise Motor Vehicle
Brake Fluid (SAE J1703), Borate Ester Based Brake Fluids (SAE
J1704), and other global standards in fluid performance and reflect the

ISO Number
ISO 110101:2022

Content
Standardizes and publishes the modelcomposition for vehicle dynamics
performancerevised SAE standards in ISO 4925. Within this context, WG14 (Brake
fluids), which specializes in the brake fluid area, was ramped up in 2018
and aims to incorporate standardization of fluid specifications and fluid
test methods for the purpose of curtailing operation noise of the brakefluid pressure control unit enhancing machine lubricity related to inroads
by advanced driver assistance systems into ISO 4925 and others.

Main work items of WG14
WG14
1

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19

Standardization themes
Road vehicles — Specification of non-petroleum based
brake fluids for hydraulic systems

ISO Number
PWI 4925

Content
Revises the brake corrosion resistancetest method and newly defines the lubricity
performance evaluation test method

● WG15 Field load specification for brake modulation
systems
WG15 (Field load specification for brake modulation) was ramped
up in FY2020 and completed formulation of load specifications (ISOPAS 5105) in the brake control system market in October 2021 roughly

as planned. It is currently continuing to enhance precision and prepare
for IS conversion with additions to ISO PAS 5101, such as extra items
and a load coefficient. These efforts are taking place with the aim of IS
issuance in 2025.

Main work items of WG15WG15
1Standardization themes
Road vehicles — Field load specification for brake
actuation and modulation systems● WG16 Active Safety test equipment
This WG is accelerating standardization of equipment used inperformance evaluation of advanced driver assistance systems, andISO Number

Content
Standardizes examples of field load on thebrake modulation system and frequency

PAS 5101

multiple standardization themes are advancing. Since it is necessary
to harmonize the domestic assessment test method, Japan is actively
participating to ensure reflection of its opinions.

Example of a completed test surrogate target

Figure C.1 — Distribution of RCS, front and rear view

Figure C.6 — Example measurement cart (top),
turntable (bottom)

Figure C.2 — Distribution of RCS, side view
NumberSegment

1

front bumper2

rear bumper

3side panels

4wheel casing

5

front

6

A-pillar

7

C-pillar

Passenger vehicle 3D target (ISO 19206-3)

Source: ISO19206-3

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20

Pedestrian surrogate targets (ISO 19206-2) － Adult pedestrian

Pedestrian surrogate targets (ISO 19206-2) － Child pedestrian

Source: ISO19206-2

Main work items of WG16
WG16

page

21

Standardization themes

ISO Number

Content

1

Test devices for target vehicles, vulnerable road users andother objects, for assessment of active safety functions —Part 5: Requirements for powered two-wheeler targets

AWI 19206-5

Standardizes powered two-wheeler targets
used in tests assessing active safetyfunctions

2Road vehicles — Test devices for target vehicles, vulnerable
road users and other objects, for assessment of active
safety functions — Part 6: Research data and guidelines forsurrogate animal targets

AWI TR
19206-6

Formulates guidelines for surrogate animal
targets used in tests assessing active safetyfunctions

3Road vehicles — Test devices for target vehicles, vulnerable
road users and other objects, for assessment of active safetyfunctions — Part 9: Research data and guidelines for smallchild targets

PWI TS
19206-9Standardizes infant targets used in tests
assessing active safety functions

SC34 Propulsion, powertrain and powertrain fluids
Scope

Systems and components for combustion based propulsion (such as; coolant, engines, filters, piston pins/rings, powertrain), testing methods, testingprocedures, measurement testing apparatus, fuel injection equipment, as well as characteristics and additive fluids definitions (e.g. AUS32), except
lubricants, brake fluids, and fuels.

Activities
TC22/SC34 conducts standardization activities for material
quality, features, shape, and dimension of engines (not just for use inautomobiles) and related fuel injection equipment, filters (fuel, air, andblow-by), piston pins/rings, heat exchangers, urea reducing agent, andothers, and apparatus, methods, and procedures used in tests of thesecomponents, systems, and engines. The SC34 plenary meeting takes
place once annually. The recent event was a web meeting in October
2022. Experts participate in the WG under this subcommittee, and the
WG promotes standardization activities while seeking collaboration
with various countries.
Meanwhile, TC22 has a very large number of standards of which
titles start with “Road Vehicles” due to being in the automotive field.
Just under 40% of all of the standards handled by TC22/SC34 containthe term “Road Vehicles” in the titles. Many of the other ones begin
with “Diesel Engine” or other engine-related term. This indicates thatISO standards made by SC34 are also applied to the general-purpose
engine area (TC70). The WG experts share related knowledge andinformation used in standard formulation and revision. Since generalpurpose engines have more useful years than automotive engines andformer-type components and parts, etc., are often utilized, SC34 needs
to sustain and handle maintenance of older standards formulated years
earlier.
SC34 promotes activities in collaboration with the ISO internal
experts committee and external entities. The relationships arepresented below.

SC34 activities scheme
・TC22/SC41
・TC22/SC36
・TC22/SC39
・TC28

ISO
To TC22/SC34
・TC22/SC41
・TC28
・TC61
・TC70/SC7
・TC70/SC8
・TC131/SC6
・TC142

TC22/SC34
Chair: U.S.
P member: 18 countries
O member: 16 countries

International Organizations Category A and B
・CEC, CLEPA, EC, IMMA, OICA, OIML, UNECE, UNEP

From TC22/SC34
・TC22/SC36
・TC22/SC39・TC28・TC70/SC7
・TC70/SC8
・TC142
・TC229・TC61
・TC70/SC7
・TC70/SC8
・TC142
・TC229・CEC
・CLEPA
・EC
・IMMA
・OICA
・OIML
・UNECE
・UNEP(Specific aspects for gaseous fuels)(Safety and impact testing)(Ergonomics)(Petroleum and related products, fuels and lubricants fromnatural or synthetic sources)(Plastics)(Tests for lubricating oil filters)(Exhaust gas emission measurement)(Cleaning equipment for air and other gases)(Nanotechnologies)(Coordinating European Council)(European Association of Automotive Suppliers)(European Commission)(International Motorcycle Manufacturers Association)(International Organization of Motor Vehicle Manufacturers)(International Organization of Legal Metrology)(United Nations Economic Commission for Europe)(United Nations Environment Programme)

page

22

List of subordinate WGs

Subordinate WGs
SC34

Name
Propulsion, powertrain and powertrain fluids

U.S.

U.S.

Paraffinic Fuel Lubricity

U.S.

U.S.

WG1

Fuel Filters

Germany

Germany

WG2

Injection equipment

WG3

U.S.

U.S.

Air Filters

Germany

Germany

WG4

Piston Rings

Germany

Germany

WG5

Engine Test Code

U.S.

U.S.

WG6

Water Injection

FranceFrance

WG9

Piston Pins

Germany

Germany

WG11

Separator performance, laboratory and engine test methods forcrankcase ventilation systems

U.S.

U.S.

WG14

Nox reduction additive

Germany

Germany

WG17

Road vehicles — Cleanliness of components

FranceFrance● AG1 Paraffinic Fuel Lubricity
AG1 was established as an ad-hoc working group in 2019 to conduct
a survey of detailed issues related to the diesel fuel lubricity assessment
standard (ISO 12156-1 and -2) formulated as a standard and revised incollaboration with TC28 in response to concerns about supplication ofthese standards to paraffinic fuel that has seen increased use recently.
AG1 extended its activity period beyond the initial length mainly
because of the impact of COVID-19, and currently plans to summarize
and report survey results, provide a recommendation on whether
standard revisions are needed, and complete its activities in fall 2022.
● WG1 Fuel Filters
WG1 handles standardization related to fuel filters, including filtering
efficiency test and water separation efficiency test method of fuel filters
in a real-use environment. Formulation of the standard should support
suitable assessment of fuel filter performance and selection of highquality filters. Japan exchanges opinions with experts from various
countries based on the test results and actively promotes ISO standard
formulation and revisions while obtaining consensus.
● WG2 Activities related to injection equipment
WG2 handles standardization of shape specification for components
related to diesel engine and direct-injection gasoline engine injection
equipment (specifically, the fuel pump, fuel injector, high-pressure fuelpipe, and other components) and standardization of test methods forconfirming component performance and quality. Recently, it has placed
priority on preparing standards for the injection equipment of directinjection gasoline engines in response to widening global adoption.
Japan is a country that is leading technologically in this area. It is
extensively involved in ISO standard formulation and revision activities
too, including serving as the project leader, and is highly trusted byexperts from other countries.
● WG3 Air Filters
WG3 handles revisions to the weight efficiency test standard andstandardization related to tests on actual usage, such as methods
related to the air-filter performance test using nano-particles (soot).
Japan is extensively involved in ISO standard formulation and revision
activities too.

23

Secretariat

AG1

WG activities

page

Chair

Relatedstandardization
entities
TC28● WG4 Piston Rings
WG4 is promoting standardization related to piston rings used ininternal combustion engines (ICEs).
Piston rings are required to maintain the durability and reliability andcontributing to lower fuel usage in ICEs. Japan is extensively involvedin ISO standard formulation and revision activities in order to lead thiscutting-edge technical standard.
● WG5 Engine Test CodeWG5 handles standardization of the engine output test method. This
WG covers gross output that was the previously utilized in tests and net
output that is currently the mainstream choice. Recent activities havebeen alignment of expressions for common requirements and revisions
that address advances in engine control technology in recent years forthese two engine output test methods that have not been revised for along time. This WG needs to continue conducting activities that address
revision trends, such as the United Nations’ harmonized test method.
● WG6 Water Injection
WG6 handles ISO standard formulation activities mainly for theproperties of water injected into the cylinders.
This technology has not taken hold in Japan but activities should beclosely monitored to prevent formation of an international standard thatis disadvantageous to Japan.
● WG9 Piston Pins
WG9 handles standardization related to piston pins used in ICEs.
Piston pins are required to maintain the durability and reliability andcontributing to lower fuel usage in ICEs.
Japan is extensively involved in ISO standard formulation andrevision activities in order to lead this cutting-edge technical standard.

● WG11 Separator performance, laboratory and engine test
methods for crankcase ventilation systems
WG11 handles standardization that includes blow-by oil separator
separation efficiency tests.
While requests to remove oil in blow-by gas are increasing to addressstricter regulations on emissions, companies had mixed views on theapproach due to the lack of an international standard that evaluates theseparation efficiency of oil separators. Establishment of a standard,
meanwhile, provides a suitable method of comparing separation
efficiency and enables selection of a high-efficiency separator. Japanis exchanging opinions with experts in other countries based on test
results and actively promotes ISO standard formulation and revisions
while obtaining consensus.

ISO 17536-4 test circuit● WG14 NOx reduction additive
WG14 handles ISO standard formulation and revisions related tourea aqueous solution used as a reducing agent in SCR systems thatclean nitrous oxide (NOx) from diesel engine emissions. It discusses
not only urea aqueous solution required specifications and test methods,
but also stipulations on handling, transport, and storage, dimensionsof the vehicle-tank water intake and water nozzle, and other details
and is promoting standardization activities for a common water supply
interface among countries.
● WG17 Road vehicles — Cleanliness of components
WG17 handles ISO standard formulation and revisions related tocleanliness of components. Recent revisions updated the standard tobroaden coverage from engine-related fluid components to all vehicle
components and reflect cutting-edge technologies in analysis methods.
Domestic analytical equipment manufacturers are aware of the subject
revisions. While issues have not occurred at this point, the Society ofAutomotive Engineers of Japan and other industries need to closely
monitor impacts with coordination.

page

24

SC35 Lighting and visibility
Scope
Visibility and Conspicuity; Lighting and light-signalling and safety glazing materials.

Activities
SC35 handles standardization related to driving visibility. Driving
visibility includes direct visibility through windows and indirect
visibility through mirrors and camera monitors.
Direct visibility addresses the window glass itself and wipers,

headlamps, and other devices that secure visibility.
Recently discussions are taking place on the performance ofautomated driving sensors accompanying advances in automateddriving technology.

List of WG under TC22/SC35 (Lighting and visibility)
TC22/SC35 consists of the former organization TC22/SC17(Visibility) as the core and the following three WGs. JAPIA and thelamp subcommittee follow WG1 via the ergonomics subcommittee,
the Flat Glass Manufacturers Association of Japan and Japan Plastics
Industry Federation are mainly involved in WG2 activities, and thedriving visibility subcommittee covers WG3.

SC35
Roadmap
No

page

25

Item

Charged WG

Title/Scope• ISO/TC 022/SC 35/WG1 “Lighting and light-signalling”
Functions• ISO/TC 022/SC 35/WG2 “Safety glazing” Functions• ISO/TC 022/SC 35/WG3 “Visibility” Functions
The following table presents items being reviewed by SC35 asof 2022.

Comments

2018

2019

2020

2021

2022

2023

1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q

1

ISO/PWI 23502 SC35/WG1

Lots of different OEMs and lighting
manufacturers specifications are existing foranti-fog coatings.
A unique standard would allow astandardization of requirements in the benefit
of both suppliers and cars manufacturers.

2

ISO/TR 11842 SC35/WG1

The regulations evolved, and as this reportdetails the differences between regulations
from country to country for photometricrequirements for lighting devices, it should be
updated.

SR ballot tobe launched

ISO/TR 11842 (2nd edition)

3

ISO/TR 10603 SC35/WG1

The regulations evolved, and as this reportdetails the differences between regulations
from country to country for lighting and lightsignalling devices, it should be updated.

SR ballot tobe launched

ISO/TR 10603 (2nd edition)

4

ISO/TR 9819

SC35/WG1

The regulations evolved, and as this reportdetails the differences between regulations
from country to country for photometricrequirements of light-signalling devices, it
should be updated.

SR ballot tobe launched

ISO/TR 9819 (2nd edition)

NWIP ballot tobe launched

ISO 23502 (1st edition)

5

ISO 13837

SC35/WG2

The regulations evolved, and as this document
details the differences between
DIS ballot toanthroprometric data from country to country
be launched
for driver's eyellipses, it should be reviewed
and potentially updated.

6

ISO 5685

SC35/WG2Road vehicles ─ Testing the abrasion
resistance of automotive glazing with thewindscreen wiper test

7

ISO/AWI 6041 SC35/WG2

Road vehicles ─ Safety glazing materials ─
NWIP ballot to
Method for the determination of relevant
be launched
optical characteristics in camera sensing areas

8

ISO 16505

SC35/WG3

The regulations evolved, and as this document
details the differences between regulations
amendment tofrom country to country for camera monitoring be sent forsystems, it should be corrected with a potential DIS ballot
amendment, and updated.

9

ISO 4513

SC35/WG3

The regulations evolved, and as this document
details the differences between
anthroprometric data from country to country
for driver's eyellipses, it should be reviewed
and potentially updated.

10

ISO/TS 21957 SC35/WG3

Due to the large benefits of Head-up Displays(HUDs), which are being deployed more rapidly,
it would be beneficial to create a standard tounder drafting
document on how to evaluate the performanceof HUDs.

11

ISO 24650

SC35/WG3Adverse conditions of driving (weather,dirt/dust, …) have a huge influence on theperformance of sensor systems on automotive
vehicles12

ISO/TS 8231

SC35/WG3Road vehicles ─ Requirements for Automotive
Display System

ISO/TS 8231

13

ISO xxxxx

SC35/WG3

Minimum target point definitions

ISO xxxxx

ISO 13837 (2nd edition)

NWIP ballot tobe launched

FDIS ballot tobe launched.
9-months
extensionrequiredwaiting forfirst draft
proposal
9-months
extensionrequired

ISO 5685

ISO/AWI 6041

ISO 16505 amendment

ISO 4513 (4th edition)

ISO/TS 21957

ISO 24650

List of subordinate WGs
Subordinate WGs
SC35
WG1

Name

Chair

Secretariat

Lighting and visibility

Italy

Italy

Lighting and light-signalling

FranceFrance

WG2

Safety glazing

U.S.

U.S.

WG3

Visibility

U.S.

U.S.

WG activities● WG2 (Safety glazing) activities related to the Flat Glass
Manufacturers Association of Japan and Japan Plastics
Industry Federation
TC22/SC35/WG2 works on standardization of performance related
to glass and plastic materials utilized in windows with support fromthe Flat Glass Manufacturers Association of Japan and Japan Plastics
Industry Federation.
In recent years, ISO 5685 (Road vehicles ─ Testing the abrasion
resistance of automotive glazing with the windscreen wiper test)
standard development began in November 2020 and was approved by
a FDIS vote in April 2022 and issued on May 21st. For the standard on
abrasion resistance to windscreen wipers, Japan proposed two revisioncomments. These efforts enhanced its voice and secured acceptance oftest conditions utilized in Japan. Standard content has improved for us.
Recently ISO AWI 6041 (Road vehicles ─ Safety glazing materials
─ Method for the determination of relevant optical characteristics incamera sensing areas) standard development was proposed. We areworking to compile the WD by the end of the year, including not only
glass but also camera-side evaluation methods. ISO NP TS 8231 (Roadvehicles ─ Requirements for Automotive Display System) standard
development is for the purpose of ensuring visibility through displays.
The WD is being prepared collaboratively with WG3 handling content
related to the display system and WG2 handling content related to glass
performance. Japan is objecting to one of the test items proposed by theUnited States and is currently discussing it.
ISO 11983 (Safety glazing materials ─ Test method for electroswitchable glazing) standard development for testing methods
for dimmable glass began in January 2022, and the WD has been
prepared. We plan to discuss whether to move to CD voting at thenext WG meeting.
Development of standards related to automated driving andperipheral technology is likely to involve standardization for which
evaluation methods that address glass on a standalone basis are
insufficient. This requires promotion of activities with participation
by experts from respective areas and revisions of existing standards
in response to technology progress. Japan aims to lead these activities
while cooperating with related WGs.

● WG3 (Visibility) activities related to ergonomics and visibility
TC22/SC35/WG3 covers ergonomics and visibility and handles
standardization of performance of direct visibility when driving, related
wipers, and indirect visibility via mirrors. Recently, standardization
efforts extending scope to information display devices as replacements
to conventional mirrors, such as camera monitor systems (CMS) andhead-up displays (HUD), have been the main emphasis.
ISO 16505 (Road vehicles ─Ergonomic and performance aspects of
Camera Monitor Systems ─ Requirements and test procedures), which
stipulates the ergonomic performance requirements and measurement
methods of CMS as an indirect visibility device that replaces a mirror,
was newly formulated in May 2015, and a revised edition was publishedin July 2019 (16505; 2019 edition). In formulation of this ISO standard,
Japan played a central role in activities related to reflecting knowledge
from suppliers of components and parts in the various specialties,
including stipulation of optical characteristics related to CMS and themeasurement method and stipulation of layout, image size, and otherphysical features and usage requirements.
Regarding standardization of HUD evaluation methods, thesubcommittee of HUD experts, including electronic component/partmanufacturers, repeatedly discussed content and reached agreement
on Japan’s proposal for NWIP (including scope revision and resolution
measurement method) at the Kyoto international meeting held in May
2019. Additionally, France submitted a proposal on standardization of
the performance evaluation method for the sensor cleaner system in
2021 in light of future inroads by automated driving vehicles. Japan
also launched a subcommittee of experts and is moving forward withstandardization as a leader of the activities.
Since ISO 16505 is likely to require revisions accompanying
improvements in CMS performance and standardization of HUD andsensor cleaner performance evaluation methods is an important issue
for adoption and promotion of automated driving vehicles, Japanintends to continue its strategic response while collaborating with
JAMA to facilitate taking the initiative.

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26

SC36 Safety and impact testing
Scope
Protection of occupants and vulnerable road users, including• Passive safety assessment (including vehicle safety preconditioning):• Functional analysis• Evaluation of devices and systems• Virtual testing• Accident analysis• Post crash safety

Activities
SC36 is the subcommittee that handles standardization related topassive vehicle safety assessment, traffic accident analysis, and post
crash safety. The SC36 plenary meeting is held at a pace of once every
1.5 years and utilized an online meeting in November 2022 as the mostrecent event. With 23 participating member countries and 17 observing
member countries, SC36 has many members, including Japan, the US,
and European countries. The chair country is the US, and the secretariat
is France. These countries have occupied the roles for many years andare highly trusted by experts from various countries. The SC plenary
meeting considers proposals of international standardization work
items related to the above-mentioned scope and actively discusses
international standardization.
Japan dispatches experts to all WGs under SC36 and actively
contributes to international standardization related to passive safety,
including proposals for international standardization coordinated withexperts from other countries.

Advanced Pedestrian
Legform Impactor (aPLI)
with Upper Mass

Doctor confirmation ofoccupant injury with analgorithm and emergency
dispatch to the site by adoctor helioscope(photo from HEM-Net)

List of subordinate WGs
Subordinate WGs

Chair

Secretariat

Safety and impact testing

U.S.

France

WG1

Car collision test proceduresFranceFrance

WG2

Child restraint systems

SwedenSwedenWG3

Instrumentation

FranceFranceWG5

Anthropomorphic test devices

U.S.

U.S.

SC36

page

27

Name

WG6

Performance criteria expressed in biomechanical terms

FranceFrance

WG7

Traffic accident analysis methodology

SwedenSwedenWG activities● WG1 Car collision test procedures
Alleviation of injury from traffic accidents requires a collision test
method that recreates real-world accidents, including collision direction,
location, speed, collision object, occupant location and posture, andother details. WG1 handles standardization of the collision test method
based on the format of traffic accidents in the world’s road traffic
environment. It recently started additional review of standardization on
test and evaluation methods for side airbags for out-of-position vehicle
occupants. WG2 has recently been discussing revisions to the usability
test method to address CRS in the current market environment.

Far-side airbag (Center airbag)
Example of a static deployment test conditions proposal
From https://www-esv.nhtsa.dot.gov/Proceedings/23/
files/23ESV-000495.PDF

Main work items of WG1 (as of November 2022)
Standardization themes

ISO Number

Test procedures for evaluating out-of-position
vehicle occupant interactions with deploying AWI TR 14933
side airbags

Content
This is standardization related to static deployment test
procedures for side airbags with an out-of-position vehicle
occupant.
Addition of the far-side airbag test method is under review.

● WG2 Child restraint systems
Alleviation of injury from traffic accidents requires a collision test
method that recreates real-world accidents, including collision direction,
location, speed, collision object, occupant location and posture, andother details. WG1 handles standardization of the collision test method
based on the format of traffic accidents in the world’s road traffic
environment. It recently started additional review of standardization on
test and evaluation methods for side airbags for out-of-position vehicle
occupants. WG2 has recently been discussing revisions to the usability
test method to address CRS in the current market environment.
Verification that ISO 13216-3 fixtures do
not interfere with the vehicle’s interior
components and parts (under review in WG2)

Main work items of WG2 (as of November 2022)
Standardization themes
CRS misuse test procedures

ISO Number

Content

ISO 13215-2, 3

Test procedures aimed at reduction of misuse risk of CRS

Anchorages for CRS

ISO 13216-3, 4Standardizes vehicle and CRS specifications for anchoring CRS

CRS usability test method

ISO 29061-1,3,4,-5Standardization of the evaluation method for CRS installability

page

28

● WG3 Instrumentation
Information output is obtained from variety of measuring devices incollision test in order to ascertain the level of occupant injury using an
impact anthropomorphic test devices (ATD) and test vehicle behavior.
These outputs must not have major discrepancies due to a change in themeasuring device or test lab. WG3 hence formulates standards related
to measuring devices. Recently it has been conducting standardization
discussions for a standard on the zero-position correction proceduresin multi-axis displacement meters, a standard on the lateral sensitivity
measuring procedure in multi-axis load cells, a data exchange format
standard for calibration of measuring devices in tests and easy collectionof settings information.

Three-dimensional displacement meter*

Three-dimensional displacement meterzero-position correction device**From https://humanetics.humaneticsgroup.com/sites/default/
files/2020-11/thor-50m_3d_ir-tracc_um-rev_c.pdf

Main work items of WG3 (as of November 2022)
Standardization themes

ISO Number

Content

Multi-dimensional measurement andcoordinate systems definition

ISO 21002

Standardizes the zero-position correction procedure in multi-axis
displacement meters

Lateral sensitivity measuring procedure in
multi-axis load cells

ISO 21612

Standardizes lateral sensitivity to improve the possibility ofcomparing measurement results among test labs

Data exchange format

ISO 23520

Standardizes the data exchange format to facilitate collection of
information from test measuring devices● WG5 Anthropomorphic test devices
Quantitative determination of the extent of injuries to vehicle
occupants and vulnerable road users in a collision is important toalleviating injury from traffic accidents. This process requires faithful
reproduction of the human body’s movement, occupant ATD that
reproduces the deflection characteristics of a vehicle occupant’s chest
ribs to a high degree of precision, and human body injury evaluation
devices, such as a leg impactor that appropriately reproduces andmeasures the bending moment and distortion volume that occur inthe legs of a pedestrian on collision with a vehicle. WG5 develops
and formulates standards for next-generation human body injury
evaluation devices for collision experiments that provide a high degreeof biofidelity and suitable injury assessment. Japan has been actively
contributing to development and evaluation of these evaluation devices
over multiple years and has held the key posts of WorldSID Task Group
Tri-Chair Committee and advanced Pedestrian Legform Impactor(aPLI) with Upper Mass Task Group project leader in recent years.
It also contributes substantially to the standardization project being
promoted by WG5 in cooperation with JAMA, JARI, and other groups
to share Japan’s research results, standard proposals, and other content
with exports from other countries.

WorldSID side-impact ATD
From https://humanetics.humaneticsgroup.com/
products/anthropomorphic-test-devices/side-impact/worldsid-50m

Advanced
Pedestrian Legform
Impactor (aPLI) with
Upper Mass

Main work items of WG5 (as of November 2022)
Standardization themes

ISO Number

Content

Design and performance specifications forWorldSID side-impact ATD

ISO 15830-1~4
TS 15830-5

Standardizes design and performance specifications for WorldSID
side-impact ATD and prepares the specifications document withlatest update content on design and performance specifications ofWorldSID side-impact ATD

Advanced Pedestrian Legform Impactor(aPLI) with Upper MassAWI TS 20458

Standardizes the advanced Pedestrian Legform Impactor with
Upper Mass to broaden applicable scope of the vehicle category
and injury assessment spot

ATD industrializationPWI ISO 6172

Standardizes required procedure to transition the ATD fromresearch use to volume-ouptut use (handling, inspection,
reproducibility, repeatability, etc.)

page

29

● WG6 Performance criteria expressed in biomechanical terms
Alleviation of injury from traffic accidents requires estimation of
possible injury occurrence to the human body from measurement values
obtained by occupant ATDs, pedestrian leg impactors, and other humanbody injury evaluation devices. WG6 prepares and standardizes injury
risk functions that link the measurement values from evaluation devices
and human body injury occurrence probability utilizing experiment data,
computer simulation analysis, and other information. Japan cooperates
with JAMA, JARI, and other groups and has served as the leader in
preparing and standardizing injury risk functions for brain injuries using
the frontal impact THOR dummy and leg injuries using the advanced
Pedestrian Legform Impactor (aPLI) with Upper Mass and taken aleading role in standardization activities related to these injury riskfunctions in recent years.

Injury risk functions

Leg injury risk function

Main work items of WG6 (as of November 2022)
Standardization themes

ISO Number

Content

Injury risk curves for the THOR dummy

TR 19222

Standardizes the injury risk curves for next-generation frontal
impact THOR dummy

Injury risk functions for advanced Pedestrian
Legform Impactor (aPLI)AWI TS 20459

Standardizes the femur, knee, and shin injury risk functions
required in vehicle safety performance assessment using
advanced Pedestrian Legform Impactor (aPLI) with Upper Mass

● WG7 Traffic accident analysis methodology
Review based on objective survey and analysis results from traffic
accidents in the market is essential to vehicle safety assessment,
and WG7 handles standardization and documentation of definitions
related to terms and categories needed in traffic accident surveys andanalysis and parameter concepts and calculation methods. As one ofthese activities, Japan proposed standardization of injury prediction
algorithms and parameters for the Advanced Automatic Collision
Notification (AACN) system that predicts the extent of injury to injured
parties based on information recorded by the vehicle EDR or otherdevices at the time of the traffic accident and notifies the fire department
and emergency hospital and is actively promoting this proposal, which
has been registered as TS 4654 (AWI), as the project leader alongwith an all-Japan delegation of related parties. Additionally, Japan has
contributed through provision of domestic information and in otherways to activities aimed at consolidating and documenting the category
framework of conditions prior to collision in traffic accidents (pre-crash
categorization system) registered as TR 8234 (PWI).

Image of standardization of injury prediction algorithms andparameters in ISO/TS 4654
(From ISO/TC22/SC36/WG7 N0601)

Main work items of WG7 (as of November 2022)
Standardization themes

ISO Number

Content

Advanced Automatic Collision Notification(AACN) systems — Algorithm and parameters AWI TS 4654
for injury level prediction

Standardizes the AACN system injury prediction algorithm andparameters and algorithm assessment method

Pre-crash categorization system

Reviews the categorization system for situations prior to collisionin traffic accidents and proposes a unified categorization system

PWI TR 8234

page

30

SC37 Electrically propelled vehicles
Scope
Specific aspects of electrically propelled road vehicles, electric propulsion systems, related components and their vehicle integration.

Activities
SC37 broadly promotes international standardization of technology related to vehicles, systems, and components for battery electric vehicles (BEVs),
hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and fuel cell vehicles (FCVs).

List of subordinate WGs

Subordinate WGs
SC37

Name

31

Secretariat

Relatedstandardization
entities

Electrically propelled vehicles

Germany

Germany

WG1

Safety aspects and terminology

Germany

Germany

IEC

WG2

Performance and energy consumption

Japan

Japan

SAE

WG3

Rechargeable energy storage

Germany

Germany

IEC

WG4

Systems and components connected to electric propulsion
systems

Japan

Japan

IEC

WG5

Requirements for energy transfer

Germany

Germany

IEC

Standardization items handled by TC22/SC37

page

Chair

WG activities● WG1 Safety aspects and terminology
WG1 stipulates definition of terms related to electrically propelled vehicles and test methods related to operability safety, electrical safety for humans,
electrical safety after collisions, and hydrogen safety in FCVs. Additionally, functional requirements and safety requirements related to energy transfer
on the vehicle side covered by WG1 previously moved to WG5 newly created in FY2020.
Main work items of WG1
ISO Number

Content

ISO 6469-2

Stipulates driving restrictions and notification to the driver during driving operation and charging
of an electrically propelled vehicle, prevention of sudden start in the case of a primary failure, andother requirements

ISO 6469-3

Stipulates necessary markings on voltage class B components as well as the method for protectionof persons against electric shock and thermal incidents in ordinary use and the protection method
in a single failure

ISO 6469-4

Stipulates the protection method of the human body from voltage class B components for vehicle
post-crash conditions

2

ISO/TR 8713

Establishes a vocabulary of terms and the related definition used in TC22/SC37

3

ISO 23273

Stipulates protection requirements against hydrogen-related hazards in vehicles that use
compressed hydrogen as fuel1

● WG2 Performance and energy consumption
WG2 stipulates test methods related to power consumption volume, fuel consumption, driving range on a single charge as vehicle performance.
Main work items of WG2
ISO Number

Content

ISO 20762

Stipulates the measurement method for vehicle total system propulsion power in an HEV withengine power and motor power

ISO 23274-1

Stipulates exhaust emissions and fuel consumption measurements in non-externally chargeable
HEVs

ISO 23274-2

Stipulates exhaust emissions and fuel consumption measurements in externally chargeable HEVs

3

ISO/TR 11955

Guidelines for charge balance measurement to supplement battery SOC in HEV fuel consumption
measurement

4

ISO/TR 11954

Stipulates the measurement method for maximum speed in an FCV

5

ISO 23828

Stipulates the measurement method for energy consumption in a vehicle fuelled with compressedhydrogen6

ISO 8714

Stipulates single-charge driving range; currently considering an abbreviated test method

7

ISO 8715

Stipulates road performance measurement methods for BEVs

8

ISO/TR17326

Deliberation started in March 2022 as a standard that defines the low-temperature starting
performance of FCVs.

1
2● WG3 Rechargeable energy storage
WG3 stipulates performance and safety test methods for traction battery packs and systems. TC22/SC32 formulates the environment test method as
ISO 19453-6. This fiscal year, as a proposal from Japan, we launched two standard deliberations as the ISO18006 series of standards that define therequirements for battery pack information.
Main work items of WG3
ISO Number

Content

1

ISO 6469-1

Stipulates safety performance tests for battery packs and systems; The thermal propagation test
has been published the end of 2022 as an amendment(Amd).

2

ISO 12405-4

Stipulates test specification for lithium-ion traction battery packs and systems

3

ISO/IEC
PAS 16898

Stipulates dimensions and symbol display of lithium-ion cells

4

ISO 18300

Stipulates requirements for lithium-ion battery systems combined with lead acid battery or capacitor

5

ISO 18006-1

It provides labeling, QR/barcode information for affixing to battery packs regarding specifications,safety and sustainability.

6

ISO 18006-2

It defines the information required when removing the battery pack from the vehicle for battery
reuse, repurpose and recycle.

page

32

● WG4 Systems and components connected to electric propulsion systems
WG4 stipulates performance, reliability tests, and electrical tests for voltage class B propulsion systems and components (except the propulsion
battery). TC22/SC32 stipulates environment tests for components in the ISO 19453 series.
Main work items of WG4
ISO Number
ISO 21782-1
ISO 21782-2

Stipulates measuring methods for total loss, total efficiency, and torque characteristics, and othermotor system features

ISO 21782-3

Stipulates measuring methods for loss and efficiency of the motor and inverter on a standalone
basis and torque characteristics of the motor

ISO 21782-4

Stipulates test methods for loss and efficiency of the DC/DC converter in electrically propelledvehiclesISO 21782-5

Stipulates methods for operating load testing of the motor system

ISO 21782-6

Stipulates methods for operating load testing of the motor and inverter on a standalone basis

ISO 21782-7

Stipulates methods for operating load testing of the DC/DC converter in electrically propelledvehiclesISO 21498-1

Stipulates sub-classes within the voltage range of volatage class B

ISO 21498-2

Stipulates test methods for assessing system operation stability to fluctuations in input voltage tovoltage class B components

1

2

Content
Stipulates general test coniditons and definitions related to the series for electric propulsion
components● WG5 Requirements for energy transfer
Regarding the power transfer system between the charger and the vehicle, we are deliberating general requirements, safety requirements, andcompatibility requirements on the vehicle side. The published standards ISO17409 and ISO19363 are integrated into the ISO5474 series, which has
separate parts for each system: AC power transfer, DC power transfer, wireless power transfer, automated connection power transfer, and dinamic
power transfer.

Main work items of WG5
ISO Number

Content

1

ISO 17409

Stipulates safety requirements for conductive charging vehicles in a connection with an externalenergy source2

ISO 19363

Stipulates functional, safety, and interoperability requirements related to magnetic field wirelesspower transfer

ISO 5474-1

Combines ISO 17409 and 19363 as vehicle-side functional and safety requirements in an energy
transfer system, adds an automatic connection charging system, and begins review of a newframework; Part 1 stipulates general requirements related to the series

ISO 5474-2

Stipulates vehicle-side functional and safety requirements for AC power transfer

ISO 5474-3

Stipulates vehicle-side functional and safety requirements for magnetic field wireless power transfer

ISO 5474-4

Stipulates vehicle-side functional and safety requirements for magnetic field wireless power transfer(static and dinamic) of light duty vehicle

ISO 5474-5

Stipulates vehicle-side functional and safety requirements for an automatic connection powertransfer

ISO 5474-6

Stipulates vehicle-side functional and safety requirements for magnetic field wireless power transfer(static and dinamic) of heavy duty vehicle

3● WG6 Charging performance
Established in February 2022 for charging performance, it is deliberating test methods for measuring the distance traveled with respect to theamount of charge per unit time. Deliberations have started as a joint WG with SAE.

Main work items of WG6
ISO Number
1

page

33

ISO 12906

Content
As charging performance, a test method is specified to measure the distance traveled against theamount of charge per unit time.

SC38 Motorcycles and mopeds
ScopeStandardization of motorcycles, mopeds and their components, concerning compatibility, interchangeability, safety, terminology and test procedures(including the characteristics of instrumentation), in order to evaluate their performances.
Motorcycles and mopeds are to be intended as defined in the relevant definition of ISO 3833.

Activities
Prior to the SC reorganization in 2015, activities took place underSC22 (Motorcycles) led by Japan and SC23 (Mopeds) led by Italy.
These two entities merged as SC38 in the SC reorganization with Japanas the chair country and Italy as the secretariat.
SC38 promotes standardization suited to motorcycles and mopeds
because of cases that require different standardization than four wheeledvehicles due to unique features of motorcycles and mopeds.
Comparison of the composition of member body countries in
SC38 and the composition of SC32, a leading four wheeled vehicle
entity, shows that SC38 has Asian countries as registered participating
members that reflect characteristics of motorcycle demand, such as
Vietnam, Malaysia, and Thailand. Reflection of the opinions of thesecountries too is an important role of SC38.
Motorcycles and mopeds have smaller industry scale than four
wheeled vehicles, and it is not possible for these segments to havepermanent expert participation in all SCs under TC22. When IS scopecites “vehicles,” it includes not only four wheeled vehicles but also
motorcycles and mopeds. To ensure understanding of this concern, theTC22 plenary meeting approved a resolution on giving notification toSC38 when the scope includes motorcycles and mopeds.

Comparison of registered countries

List of subordinate WGs
Subordinate WGs
SC38

Name

Chair

Secretariat

Motorcycles and mopeds

Japan

Italy

WG1

Pollution and energy

Japan

Japan

WG2

Electric mopeds and motorcycles

Italy

Italy

WG3

Functional safety

Japan

Japan

WG5

Controls

Italy

Italy

page

34

WG activities● WG1 Pollution and energy• WG1 promoted a TR project for a stable, easy-to-use test method in
total running resistance force verification of a chassis dynamometerthat uses electric inertia, and this project reached the DTR stage(ISO/TR 5262).
• WG1 is conducting a review of the VT-SHED method used in four
wheeled vehicles, etc. as the measurement method for evaporativeemissions (ISO 21755-3) and reached an agreement on submitting an
NP proposal at the WG01 international meeting in 2022.

• The WG added emissions test methods using the SSV-type CVS andthe NMHC measuring method using a CH4 meter in revisions to ISO
6460-1 (Measurement method for gaseous exhaust emissions andfuel consumption).
• It decided to add the fuel unit (L/100km) and revise the equation inrevisions to ISO 6460-3 (Measurement method for gaseous exhaustemissions and fuel consumption volume) and agreed to proceed to
the IS stage.

TC22/SC38/WG01 Main standards related to pollution and energy● WG2 Electric mopeds and motorcycles
WG2 handles standards related to vehicles, motors, batteries, andcharging for electrically propelled mopeds and motorcycles. Although
Japan is not the chair country, it is involved as one of the leading countries.
• For ISO 13063 (Electrically propelled mopeds and motorcycles —Safety specifications), the WG divided it into three parts as ISO 130631/2/3 to align with the updated vehicle standard for four wheeledvehicles ISO 6469-1/2/3 (Electrically propelled road vehicles — Safety
specifications) and conducted a review. It then published them as IS on
July 11, 2022. The next Systematic Review will occur in 2027.
• For ISO 18246 (Electrically propelled mopeds and motorcycles — Safety
requirements for conductive connection to an external electric power
Major working items and publications of ISO TC22/SC38/WG2

page

35

supply) the WG has prepared the second edition. The DIS was approvedin February 2022 then the FDIS was skipped in July 2022. The final
draft that reflects DIS comments was sent to the ISO Central Secretariat
in October 2022, and is scheduled to be published in December 2022.
• ISO 18243 (Electrically propelled mopeds and motorcycles — Test
specifications and safety requirements for lithium-ion battery systems)
underwent Systematic Review in May-September 2022. Japan voted infavor of revisions. WG2 plans to discuss the revision content in future.
• ISO 23280 (Electrically propelled mopeds and motorcycles —Test method for evaluation of energy performance using motor
dynamometer) proposed by Korea was published as an IS on May 11,2022. The next periodic Systematic Review occur in 2027.

● WG3 Functional safety• For WG3, Japan serves as convener and secretary and also has
participation by many experts.
• ISO 26262-12 (Road vehicles — Functional safety — Adaptation of
ISO 26262 for motorcycles) was published in 2018 as an IS related
to motorcycle functional safety. WG3 is developing a TR to reinforce
ISO 26262-12 based on the roadmap. It is also gathering important
points for motorcycles that should be reflected in ISO 26262 revisions
and preparing for publication as a TR. Japan is promoting (1) and (2)as the project leader.
(1) ISO/TR 3152 (Comparison of Part 12 with other parts of ISO
26262) completed development and was published in Feb 2022.
(2) ISO/TR 5340 (Considerations for use cases of ISO 26262 Part

12 MSIL classification) received approval to start development
in May 2020.The draft version was completed in Oct 2022 andwill be completed by the 2nd quarter of 2023.
(3) Considerations for functional safety for next version:
Efforts are currently on obtaining opinions from experts invarious countries on the next periodic updates and revisionsof ISO 26262-12.
(4) Considerations for SOTIF for MC: In accordance with theconsideration of motorcycle application of ISO21448—
Road vehicles — Safety of the intended functionality,
published in Jun 2022, WG3 is assuming some impact to ISO
26262-12. Compiling necessary adjustment to ISO26262-12
is under consideration.

Outline of ISO 26262: 2018 series and range handled by WG3● WG5 Controls
Symbols, displays, and operating equipment used without changes in amature state for a long time needed updating to reflect recent technologicalprogress and electrification. For ISO 6727 concerning symbols for controls,
indicators and tell-tales and ISO 9021 related to the types, positions andshapes of the operating equipment, preliminary discussions started in2014 on absorbing the same moped-related standards (4129 and 4151) andadding electrically propelled vehicle-related items, the WG resumed workin May 2016 and formulated NWIP, and approval came in May 2018.

For ISO 9021, revision work finished, and the revised edition was
published in March 2020, and for ISO 6727 too, it was published, including
symbol registration in ISO 7000, in March 2021. Regarding ISO 6727,
we are proposing NP as an amendment to the addition of symbols due totechnological progress.
Both standards intend to continue revision work in accordance withtechnology trends.

page

36

SC39 Ergonomics
Scope
Driver interaction with driver environment and driver systems

Activities
Accompanying steady development of advanced driving assistancesystems for automated driving and changes in visibility performance
related to camera monitors and other new technologies, industry calls toreinforce standards from an ergonomics perspective that aims to ensure
the safety of these capabilities have risen. Within this context, SC39
(Ergonomics) emerged in ISO/TC22’s SC reorganization in 2015. As
ergonomics related to vehicles, SC39 handles a wide range of topics

from basic driving tasks such as interior packaging and display andoperation systems to HMI (human machine interface) of new systems,
including automated driving and OTA.
Due to the wide range of human characteristics used as the basis,
activities are proceeding in collaboration with the industrial community
and academia aimed at standardization that advances technology in theergonomics field and strengthens Japan’s international competitiveness.

List of subordinate WGs
Subordinate WGs

Name

Chair

Secretariat

Ergonomics

U.S.

U.S.

WG3

Controls, displays, and tell-tale localization

U.S.

U.S.

WG5

Symbols

U.S.

Germany

WG7

Hand reach and R and H point determination

U.S.

U.S.

WG8

TICS on-board-MMI

Germany

GermanySC39

WG activities● WG3 (Controls, displays and tell-tale localization)
WG3 formulates standards for matters related to basic driving
tasks such as interior indicator displays and shifts, switches, and
WG3: ISO 4040

page

37

other operational features. It is also addressing standard formulation
for placement of the electronic shift and OTA HMI as the latest
technologies.

WG3: ISO 12214

Main work items of WG3
Standardization themes

ISO Number

Content

1

Road vehicles — Location of hand controls, indicators andtell-tales in motor vehicles

ISO 4040

Defines the location of displays withinmeters and the location of hand controls
around the steering column

2Road vehicles — Direction-of-motion stereotypes forautomotive hand controls

ISO 12214

Defines human stereotypes by hand control
types

3

Road vehicles — Ergonomics aspects of transport
information and control systems — Human machine interface ISO 21956
specifications for keyless ignition systems

Defines design specifications for easy-touse keyless ignition systems

page

38

● WG5 (Symbols)
ISO 2575 (Road vehicle — Symbols for controls, indicators and telltales) standardizes symbols because of the necessity of having controls
and other displays in road vehicles distributed as international products
utilize identification marks that do not rely on language. SC39/WG5(Symbols WG) is handling standardization of new symbols and updates
to symbols no longer recognized by users due to changing times with ateam of experts from various countries.
Lively discussion is currently taking place on standardization ofsymbols for new functions related to connected functions and automateddriving that are likely to advance rapidly in the future. Furthermore,
information is being shared with the Chinese regulatory entity with theaim of supporting further internationalization.

Examples of symbol marks currently under review by WG5<Driving Automation System>● WG7 (Hand reach and R and H point determination)
WG7 handles standardization of the determination method forthe driver seating position standard that it is origin point of interior
design and the three-dimensional manikin used in the process. It also
prepares definitions and standards for suitable layout and dimension<Connected Driving data >examples for controls related to driving tasks with the driver seating
position standard as the origin point. As a new initiative, it plans toconstruct a simulation methodology that factors in driver postureduring automated driving.

Main work items of WG7Standardization themes
1

page

39

Road Vehicles — Ergonomic Aspects of Foot Control Layout,
Location, Spacing, and Clearance

ISO Number

Content

NWI 23408

Stipulates location of the accelerator, brake,
and clutch pedal and three-dimensationl
measurement method

2

Road vehicles — Procedure for H- and R-point determination

ISO 6549

Stipulates the procedure for determinationof the driver seating position (H- andR-point) for comparison of vehicle space
and the three-dimensional manikin used in
the procedure

3

Road Vehicle — H-Point Machine (HPM-II) Specifications andISO 20176
Procedure for H-Point Determination

Advanced version of above-mentioned ISO
6549 three-dimensional manikin (HMP-I);
supports manikin posture recreation thatreflects seat performance4

Passenger Cars — Driver Hand-Control Reach

Defines the boundaries of hand-reach by
driver proportions

ISO 3958

WG7: ISO 6549

WG7: ISO 20176

page

40

● WG8 TICS on-board-MMI
WG8 handles standardization of HMI for in-vehicle information
systems. HMI is an important issue in automated driving that isexhibiting fierce development competition. We therefore are addressing

this area using results of the SIP-adus project promoted by the Cabinet
Office. WG8 is also looking at new standardization for IT shift in
information systems and the development environment.

Main work items of WG8Standardization themes1

TR 5283
part 1

2Road Vehicles — Ergonomic design guidance for externalvisual communication from automated vehicles to other roadusers

TR 23735

3

Bench evaluation method of demand from non-driving tasks
from two dimensional tracking tasks
Road vehicles — Box task to measure cognitive and visualmanual workload

ISO 8202

Stipulates content of a two dimensional
tracking task capable of readily measuringsecondary task load while driving andimpact on driving operations

TR 21974

Stipulates perspectives to be annotatedbased on video analysis of natural driving
behavior of drivers during real-world driving(1) Safety critical events(2) Driver misbehavior, condition, andactivity

TS 17691

Stipulates principles of the human remotesupport for the driving of low speed
automated driving vehicles and safe
passenger and cargo transportation in termsof human capabilities and limitations

5

41

Content
Introduces state-of-the-art concepts
and issues for important safety factors
in for the Level 2 driving automation of“Driver readiness” and “Driver intervention
management.”
Stipulates ergonomic design guidance
related to messages that should becommunicated from level 4/5 automatedvehicles to other road users andcommunication methods from thestandpoints of safety and traffic efficiency

4

page

Road Vehicles — Driver readiness and system intervention
management: Part 1 - partial automation

ISO Number

Naturalistic driving studies — Vocabulary —Part 1: Safety critical events
Part 2: Driver misbehavior, condition, and activity

Road vehicles — Principles for Human Remote Support ofAutomated Driving Systems

SC40 Specific aspects for commercial vehicles, busses
and trailers
Scope
Specific aspects for heavy duty trucks, commercial vehicles, busses, trailers, as well as their bodyworks and interfaces (e.g. couplings) which are notcovered by other SCs of TC22.

Activities
SC40 handles the vehicle bodywork body, interior components andparts, and other elements, though these are mature areas in terms ofstandards and technology and new technology development and major
market changes and needs have not occurred in recent years.

Mechanical couplings in compact vehicles are a mature area instandards and technology. As a recent trend in Japan, tow bar demand as
the towing method is increasing with upswing in popularity of camping
trailers (the tow bar method is widely seen in Europe).

List of subordinate WGs
Subordinate WGs
SC40
WG1
WG2
WG3

Chair

Secretariat

Specific aspects for commercial vehicles, busses and trailers

Name

Italy

Italy

Mechanical couplings

Italy

Italy

SwedenSweden

China

China

Bodywork Exchange Parameters for commercial vehicles (BEP) ⇒ Disbanded in
September 2022

Negative pressure compartment for ambulances ⇒ Newly launched in September
2022

WG activities● WG1 Mechanical couplings
WG1 handles standards on mechanical couplings for connection to
the vehicle and interoperability of couplings.
Formulation of a standard on electric wiring that factors in
automated coupling (following diagram) has been moving forward
in recent years. Domestic manufacturers are not necessarily
adopting the standard at this point as the standardization trend
and instead making products suited to market needs and providing
assurance with proprietary technology. This reflects the difficulty ofstandardization (particularly harmonization) due to differences in themarket environment.

Mechanical couplings in compact vehicles are a mature area instandards and technology. As a recent trend in Japan, tow bar demand as
the towing method is increasing with upswing in popularity of camping
trailers (the tow bar method is widely seen in Europe).
● WG2 Bodywork Exchange Parameters for commercial
vehicles (BEP) ⇒ Disbanded in September 2022 at theSC40 plenary meeting
SC40 participants unanimously decided to disband WG2 (Bodywork
Exchange Parameters for commercial vehicles) based on the level ofactivity in recent years.

Example of an electrical wiring diagram of a tractor and semi-trailer, both equipped with FACS and for mixed mode operation
ISO 13044-2
1 ISO 11992‑2 or ISO 11992‑3 node in tractor, e.g. ECU ABS/EBS or databus device
according to ISO 12098
4 EPI socket module				
8 semi-trailer-sided EPI				
9 ISO 11992‑2 or ISO 11992‑3 node in semi-trailer, e.g. ECU ABS/EBS or databus device
according to ISO 12098				
a Cable harness from 1 to 2.				
b Cable harness from 3 to 4.				
c Cable harness from 8 to 6.				
d Cable harness from 7 to 9.				

page

42

SC41 Specific aspects for gaseous fuels
ScopeSpecifications of construction, installation and test of components for vehicles using gaseous fuels, including their assemblies and the interface withrefuelling systems.

Activities
SC41 is the subcommittee formulating standards related to gaseous
fuel vehicles. It was established in 2015 as an advanced entity from
SC25 and currently holds meetings with 16 participating member
countries and 14 observing member countries.
Standard scope covers items related to fuel device component

parts and safety requirements and requirements related to handling
qualifications for gaseous fuel vehicles.
SC41 consists of seven WGs with each WG assigned to a particular
fuel type.

List of subordinate WGs
Subordinate
WGs
SC41

Name
Specific aspects for gaseous fuels

Italy

Italy

Blends of Natural Gas and Hydrogen

Italy

Italy

WG3

Compressed Natural Gas (CNG)

Argentina

Italy

WG4

Liquefied Natural Gas (LNG)

Spain

Italy

WG6

Liquefied Petroleum Gas (LPG)

WG7

General safety requirements for gaseous fueled vehicles and terminology

WG8
WG9

Italy

Italy

Netherlands

Italy

Dimethyl Ether (DME)

SwedenItaly

Training, competence and conformity assessment

Argentina

Italy● JWG5, WG3, 4, 7, and 9 Fuel devices (CGH2, CNG, LNG)
and device safety and handling qualification requirements
As WG characteristics, WG3, WG4, and JWG5 handle activities
related to proposing and formulating standards for component parts
that comprise fuel systems, and WG3, which covers CNG that has thefurthest inroads, currently categorizes component parts that comprisethe fuel device into 23 types and formulates and updates ISO standards
for each component part.
WG4, which covers LNG that is still in the process of taking hold,similarly implements standard formulation and updates in response
to parts advances as well. For hydrogen blended fuel, JWG activities
with hydrogen fuel have started, and JWG5 plans to implement future
standard formulation in step with hydrogen fuel vehicles.
WG7 and WG9 are working groups that seek to standardize safety
requirements related to gaseous fuel vehicles and handling qualification
requirements for vehicle operation. Harmonization with the laws ofvarious countries already applied in participating countries is an issue.
WG7 stipulates and formulates standards for safety requirements andrelated testing methods for each of the natural-gas fuel types (CNG/
LNG, CGH2).
WG9 stipulates and formulates standards for handling qualification
requirements to operate gaseous fuel vehicles.

43

Secretariat

JWG5

WG activities

page

Chair

● WG6 Liquefied Petroleum Gas (LPG)
WG6 has been conducting formulation activities for a total of 26
standards on the refuelling connector and various component parts thatcomprise the LPG fuel system since 2014. It already completed andpublished 17 standards and is working on the remaining standards.

◇ LPG refuelling connector (ISO 19825)
This standard stipulates the refuelling connector in LPG vehicles. It
restricts the refuelling connector in LPG vehicles, which currently exist
in a variety of shape types worldwide, to two size types and defines theirshape, performance, and the testing method. In formulation activities
taking place since 2014, Japan proposed acceptance of the refuelling
connector shape currently used in Japan as one of the two types, and theWG approved the proposal and published the standard in 2018.

LPG refuelling connector

Japan refuelling
connector (ISO 19825 J15)

European refuelling
connector (ISO 19825 K15)

◇ LPG fuel system (ISO 20766-1 to 25)
This standard addresses component parts used in the fuel system of an
LPG vehicle. It stipulates definitions and testing methods in Part 1 and
2 and individual system parts in Part 3 to 25. These documents cover
the non-return valve, level indicator, and fuel pump that are unique toliquid gas fuel and other valves and component parts. Japan promoted
standardization activities as the project leaders for 24 (Gas tubes) and 25(Gas connections) and published the standard in 2022.
● WG8 Dimethyl Ether (DME)
WG8 formulates standards for DME fuel devices. It alreadypublished three standards as of October 2022 and is currently handling
WD deliberations for five standards.
DME comes under the liquid gas category similar to LPG. The
standard formation process references the LPG vehicle fuel device andfactors in differences in physical characteristics and vehicle features.
Additionally, Japan reflects results and knowledge from development of
DME vehicle technology in the standards and has submitted a proposal
for the refueling connector with a pressure equalization fuelling systemthat is currently in WD review.
ISO WD 24605 Refuelling connector with pressure
equalization port

page

44

TC43 Acoustics/SC1 Noise
Scope
ISO/TC43 handles standardization of methods of measuring and evaluating the impact of acoustic phenomena and all aspects of their effects on man
and his environment. The three subcommittees are SC1 (Noise), SC2 (Building acoustics), and SC3 (Underwater acoustics). Road vehicle noise comesunder SC1. The aim of SC1 is realizing a quiet environment to improve the quality of daily life and alleviating annoyance from noise, noise-induced
hearing loss, and other risks.
Specifically, SC1 handles standardization of methods of measurement of sound attenuation of hearing protectors, methods of measurement ofmachinery noises and application method to products, noise control in work environments, noise from various modes of transportation (road vehicles,
railways, airplanes, and ships) and measuring noise levels inside vehicles and at work sites, measuring and evaluation of environment noise, andtransmission of outdoor noise.
TC43 (Acoustics)/SC1 (Noise) WG composition

Activities
The United Nations Noise Regulations and noise rules in various
countries adopt the ISO standard related to road vehicle noise test
methods as their test methods. WG42 (Measurement of noise
emission from by road vehicles) reviews test methods utilized in
vehicle certification tests, and related normative references areprepared by WG27 (Effect of temperature on tyre/road noise testing),
WG33 (Measuring method for comparing traffic noise on different
road surfaces), and WG39 (Characterization of pavement texture
using surface profiles).
Test methods need to be upgraded for EVs, HEVs, and other new
technologies, and discussions of revisions of UN Regulation No.51(Noise of M and N categories of vehicles) and No.138 (Approvalof Quiet Road Transport Vehicles) are continuing. ISO participates
in WP29/GRBP, the working group formulating Untied Nations
Regulations on Noise, and submits technology proposals.

page

45

Relationship diagram for ISO standards

List of TC43/SC1/WG27, WG33, WG39, and WG42 work items

page

46

(TC146/TC22) SC6 Indoor air
Scope
SC6 covers the measuring method and general items related to air quality. It handles air measurement from a stationary source, air measurement
in a work environment, measurement of environment air, and measurement methods for indoor air and air pollutants (particles, gases, odors, andmicroorganisms) and standardization and quality control (QA/QC) of air quality characteristic assessment tools including weather parameters,
measurement plans, and quality assurance procedures.

Activities
TC22 does not have a subcommittee on vehicle interior air quality.
TC146/SC6/WG13 proposed standardization related to air quality invehicle cabins and JWG13 started activities in 2008. Since JWG13 isa WG under TC146, it brings together academics and engineers who
are active in a wide range of areas, including experts researching
substance toxicity and experts who assess interior air quality. Japan
plays an important role in JWG13 with its understanding of automobile
materials and their usage.
Interest has risen globally in vehicle cabin comfort (reduction ofchemical substances) amid advances in development of technologythat eases the driver’s burden with EVs and automated driving.
Since countries and companies assess vehicle interior air quality
using proprietary test methods, it is important to unify methods in aninternational standard (IS). Furthermore, discussions have started onstandardization related to volatile organic compounds from vehicle
interior parts used in vehicles and substances that infiltrate the vehicle
cabin from the air. It needs to implement initiatives that address thesituation, including liaison with other WGs.

JWG13 Determination of volatile organic compounds in car interior

page

47

ISO NoISO 12219-1
ISO 12219-2
ISO 12219-3
ISO 12219-4
ISO 12219-5
ISO 12219-6
ISO 12219-7

INTERNATIONAL STANDARD
Interior air of road vehicles - Part 1:Whole vehicle test chamber Specification and method for the determination of volatile organic
compounds in cabin interiors
Interior air of road vehicles - Part 2:Screening method for the determinationof the emissions of volatile organic compounds from vehicle interior partsand materials - Bag method
Interior air of road vehicles - Part 3:Screening method for the determinationof the emissions of volatile organic compounds from vehicle interior partsand materials - micro-scale chamber method
Interior air of road vehicles - Part 4:Method for the determination of theemissions of volatile organic compounds from vehicle interior parts andmaterials - Small chamber method
Interior air of road vehicles - Part 5:Screening method for the determinationof the emissions of volatile organic compounds from vehicle interior partsand materials - Static chamber method
Interior air of road vehicles - Part 6:Method for the determination of theemissions of semivolatile organic compounds from vehicle interior parts andmaterials at higher temperature - Small chamber method
Interior air of road vehicles - Part 7: Odour determination in interior airof road vehicles and test chamber air of trim components by olfactorymeasurements

Status

Host

IS

GER

IS

JPN

IS

GBR

IS

USA

IS

KOR

IS

GER

IS

GER

ISO 12219-8

Interior air of road vehicles - Part 8:Handling and packaging of materials
and components for emissions testing

IS

USA

ISO 12219-9

Interior air of road vehicles - Part 9: Determination of the emissions ofvolatile organic compounds from vehicle interior parts - Large bag method

IS

JPN

ISO 12219-10

Interior air of road vehicles -Part 10: Whole vehicle test chamber Specification and method for the determination of volatile organic
compounds in cabin interiors - Trucks and buses

IS

JPN

ISO 12219-11

Interior air of road vehicles - Part 11: Thermal desorption analysis of organicCDemissions for the characterization of non-metallic materials for vehicles

GER

ISO 12219-12

Interior air of road vehicles - Part 12: PVC- or Polyurethane form Specification and methods for the determination of fogging characteristicsof trim materials in the interior of automobiles

JPN

CD

WP29/GRPE VIAQ Roadmap

page

48

TC159/SC5 Ergonomics of the physical environment
Scope
SC5 is a committee that develops international standards in the field of ergonomics for physical environments, including environmental design of thethermal environment, lighting, noise, and accommodations for people with special requirements.

Activities
TC159 (Ergonomics) is a technical committee that handles
international standardization related to ergonomics, and SC5(Ergonomics of the physical environment) is one its subcommittees.
SC5 has four working groups that handle international standardization– WG1 for thermal environments, WG4 for integrated environments
including lighting and noise, WG5 for physical environments forpeople with special requirements, and WG7 for dynamic signs that
display guidance and warnings using animation.
The Society of Automotive Engineers of Japan handles proposals
and reviews of vehicle-related standards in TC159/SC5/WG1 incooperation with the Japan Ergonomics Society, which is TC159’s
domestic deliberative entity.

WG activities● WG1 Thermal environments
TC159/SC5/WG1 formulates and issues four standards on methods
used to evaluate thermal environment (thermal comfort) in the vehicle
cabin. ISO/TS 14505-1 covers principles and methods for assessment ofthermal stress in the vehicle cabin, ISO 14505-2 presents a determination
method for assessing the thermal environment in the vehicle cabin using
measurement, ISO 14505-3 presents an evaluation method for assessing
the thermal environment in the vehicle cabin using human subjects, andISO 14505-4 presents an evaluation method for assessing the thermal
environment in the vehicle cabin using numerical analysis (simulation).
Japan (Society of Automotive Engineers of Japan) proposed ISO

14505-4, and it was published in September 2021. The standard presents
a method to calculate equivalent temperature, which is a thermal comfort
index defined in ISO 14505-2, via simulation and reviews and defines
information needed by the simulation. Preparations are proceedingon an update to add ISO 14505-4 information to ISO/TS 14505-1
accompanying the publication of ISO 14505-4.
Furthermore, preparatory work on ISO 14505-2 revisions ismoving forward mainly in Germany. The subject revision plans to add
measuring and evaluation methods for thermal comfort of the bodysegments in contact with the seat.

List of subordinate WGs related to road vehicles
Subordinate WGs
SC5
WG1

Chair

Secretariat

Ergonomics of the physical environment

Name

U.K.

U.K.

Thermal environments

U.K.

U.K.

List of items related to road vehicles formulated by TC159/SC5 (December 2021)
WG

page

49

ISO NoINTERNATIONAL STANDARD

WG1

ISO/TS 14505-1:2007

Ergonomics of the thermal environment — Evaluation of thermal environments in vehicles— Part 1: Principles and methods for assessment of thermal stress

WG1

ISO 14505-2:2006

Ergonomics of the thermal environment — Evaluation of thermal environments in vehicles— Part 2: Determination of equivalent temperature

WG1

ISO 14505-3:2006

Ergonomics of the thermal environment — Evaluation of thermal environments in vehicles— Part 3: Evaluation of thermal comfort using human subjects

WG1

ISO 14505-4:2021

Ergonomics of the thermal environment — Evaluation of thermal environments in vehicles— Part 4: Determination of the equivalent temperature by means of a numerical manikin

List of ISO/TC22 international standards published in 2022 As of December 2022
Standard number

Standard title

ISO 15118-20:2022

Road vehicles — Vehicle to grid communication interface — Part 20: 2nd generation
network layer and application layer requirements

Corresponding
Publicationcommittee
date
ISO/TC 22/SC
2022-04-26
31/JWG 1

ISO 14229-3:2022

Road vehicles — Unified diagnostic services (UDS) — Part 3: Unified diagnostic
services on CAN implementation (UDSonCAN)

ISO/TC 22/SC
2022-03-08
31/WG 2

ISO 14229-5:2022

Road vehicles — Unified diagnostic services (UDS) — Part 5: Unified diagnostic
services on Internet Protocol implementation (UDSonIP)

ISO/TC 22/SC
2022-04-25
31/WG 2

ISO 14229-7:2022

Road vehicles — Unified diagnostic services (UDS) — Part 7: UDS on local
interconnect network (UDSonLIN)

ISO/TC 22/SC
2022-04-25
31/WG 2

ISO 14229-1:2020/
Amd 1:2022

Road vehicles — Unified diagnostic services (UDS) — Part 1: Application layer —Amendment 1

ISO/TC 22/SC
2022-10-25
31/WG 2

ISO 26021-1:2022

Road vehicles — End-of-life activation of in-vehicle pyrotechnic devices — Part 1:
Application and communication interface

ISO/TC 22/SC
2022-02-21
31/WG 4

ISO 16844-1:2022

Road vehicles — Tachograph systems — Part 1: Electromechanical components

ISO/TC 22/SC
2022-02-25
31/WG 4

ISO 16844-4:2022

Road vehicles — Tachograph systems — Part 4: Display unit communicationinterface

ISO/TC 22/SC
2022-02-25
31/WG 4

ISO 16844-2:2022

Road vehicles — Tachograph systems — Part 2: Recording unit communicationinterface

ISO/TC 22/SC
2022-04-11
31/WG 4

ISO 16844-6:2022

Road vehicles — Tachograph systems — Part 6: Diagnostic communicationinterfaces

ISO/TC 22/SC
2022-05-02
31/WG 4

ISO 26021-3:2022

Road vehicles — End-of-life activation of in-vehicle pyrotechnic devices — Part 3:
Data definitions

ISO/TC 22/SC
2022-05-03
31/WG 4

ISO 16844-3:2022

Road vehicles — Tachograph systems — Part 3: Motion sensor communicationinterface

ISO/TC 22/SC
2022-05-03
31/WG 4

ISO 16844-7:2022

Road vehicles — Tachograph systems — Part 7: Parameters

ISO/TC 22/SC
2022-05-03
31/WG 4

ISO 22900-2:2022

Road vehicles — Modular vehicle communication interface (MVCI) — Part 2:
Diagnostic protocol data unit (D-PDU API)

ISO/TC 22/SC
2022-06-21
31/WG 5

ISO 13209-3:2022

Road vehicles — Open Test sequence eXchange format (OTX) — Part 3: Standard
extensions and requirements

ISO/TC 22/SC
2022-06-21
31/WG 5

ISO 13209-2:2022

Road vehicles — Open Test sequence eXchange format (OTX) — Part 2: Core data
model specification and requirements

ISO/TC 22/SC
2022-07-26
31/WG 5

ISO 24195:2022

Road vehicles — Vocabulary and characteristics for engineering of starting devices

ISO/TC 22/
SC 32

ISO 17447-1:2022

Road Vehicles — Glow plugs with conical seating and their cylinder head housing —Part 1: Basic characteristics and dimensions for metal-sheath-type glow plugs

ISO/TC 22/SC
2022-04-25
32/WG 1

ISO/PAS 5112:2022

Road vehicles — Guidelines for auditing cybersecurity engineering

ISO/TC 22/SC
2022-03-31
32/WG 11

ISO 11451-4:2022

Road vehicles — Vehicle test methods for electrical disturbances from narrowband
radiated electromagnetic energy — Part 4: Harness excitation methods

ISO/TC 22/SC
2022-05-31
32/WG 3

ISO 21111-8:2022

Road vehicles — In-vehicle Ethernet — Part 8: Electrical 100-Mbit/s Ethernet
transmission media, components and tests

ISO/TC 22/SC
2022-08-09
32/WG 6

ISO 21448:2022

Road vehicles — Safety of the intended functionality

ISO/TC 22/SC
2022-06-30
32/WG 8

ISO 4091:2003/Amd
1:2022

Road vehicles — Connectors for the electrical connection of towing and towed
vehicles — Definitions, tests and requirements — Amendment 1

ISO/TC 22/SC
2022-05-11
32/WG 9ISO/PAS 22596:2022

Road vehicles — Brake lining friction materials — Dynamometer metal pick-up
generation procedure for disc brakes

ISO/TC 22/SC
2022-05-31
33/WG 10

ISO 11010-1:2022

Passenger cars — Simulation model classification — Part 1: Vehicle dynamics

ISO/TC 22/SC
2022-04-15
33/WG 11

ISO 15037-3:2022

Road vehicles — Vehicle dynamics test methods — Part 3: General conditions forpassenger cars ride comfort tests

ISO/TC 22/SC
2022-05-25
33/WG 2

ISO 21994:2022

Passenger cars — Stopping distance at straight-line braking with ABS — Open-loop
test method

ISO/TC 22/SC
2022-11-01
33/WG 2

ISO 22733-1:2022

Road vehicles — Test method to evaluate the performance of autonomous
emergency braking systems — Part 1: Car-to-car

ISO/TC 22/SC
2022-09-13
33/WG 3

ISO 7141:2022

Road vehicles — Light alloy wheels — Lateral impact test

ISO/TC 22/SC
2022-04-01
33/WG 5

ISO 22139:2022

Heavy commercial vehicles and buses — Test method for steering effort
measurement when manoeuvring at low speed or with stationary vehicle

ISO/TC 22/SC
2022-05-11
33/WG 6

ISO 21234:2022

Road vehicles — Heavy commercial vehicles and buses – Mass moment of inertia
measurement

ISO/TC 22/SC
2022-05-16
33/WG 62022-03-29

page

50

ISO 23365:2022

Heavy commercial vehicles and buses — Definitions of properties for thedetermination of suspension kinematic and compliance characteristics

ISO/TC 22/SC
2022-07-15
33/WG 6

ISO 22138:2022

Heavy commercial vehicles — Vehicle stability during tipper body operation — Tilttable test method

ISO/TC 22/SC
2022-11-01
33/WG 6

ISO 34501:2022

Road vehicles — Test scenarios for automated driving systems — Vocabulary

ISO/TC 22/SC
2022-10-06
33/WG 9ISO 34502:2022

Road vehicles — Test scenarios for automated driving systems — Scenario based
safety evaluation framework

ISO/TC 22/SC
2022-11-02
33/WG 9ISO 18418-2:2022

Gasoline engines — High pressure liquid fuel supply connections — Part 2: Pipeassemblies

ISO/TC 22/SC
2022-11-01
34/WG 2

ISO 6627:2022

Internal combustion engines — Piston rings — Expander/rail oil-control rings

ISO/TC 22/SC
2022-02-25
34/WG 4

ISO 31120-1:2022

Road vehicles — Injection water — Part 1: Quality requirements

ISO/TC 22/SC
2022-01-17
34/WG 6

ISO/TS 5385:2022

Road vehicles — Anti-fog coating for exterior lighting devices — Specification

ISO/TC 22/SC
2022-04-08
35/WG 1

ISO 5685:2022

Road vehicles — Testing the abrasion resistance of automotive glazing with thewindscreen wiper test

ISO/TC 22/SC
2022-05-16
35/WG 2

ISO 4513:2022

Road vehicles — Visibility — Method for establishment of eyellipses for driver's eye
location

ISO/TC 22/SC
2022-06-17
35/WG 3

ISO 13215-2:2022

Road vehicles — Reduction of misuse risk of child restraint systems — Part 2:
Requirements and test procedures for correct installation (panel method)

ISO/TC 22/SC
2022-08-31
36/WG 2

ISO 13215-3:2022

Road vehicles — Reduction of misuse risk of child restraint systems — Part 3:
Prediction and assessment of misuse by Misuse Mode and Effect Analysis (MMEA)

ISO/TC 22/SC
2022-10-05
36/WG 2

ISO 15830-1:2022

Road vehicles — Design and performance specifications for the WorldSID 50th
percentile male side-impact dummy — Part 1: Vocabulary and rationale

ISO/TC 22/SC
2022-06-23
36/WG 5

ISO 15830-4:2022

Road vehicles — Design and performance specifications for the WorldSID 50th
percentile male side impact dummy — Part 4: User's manual

ISO/TC 22/SC
2022-10-06
36/WG 5

ISO 17840-1:2022

Road vehicles — Information for first and second responders — Part 1: Rescue sheet ISO/TC 22/SC
2022-03-01
for passenger cars and light commercial vehicles
36/WG 7

ISO 6469-2:2022

Electrically propelled road vehicles — Safety specifications — Part 2: Vehicle
operational safety

ISO/TC 22/
SC 37

ISO 23828:2022

Fuel cell road vehicles — Energy consumption measurement — Vehicles fuelled withcompressed hydrogen

ISO/TC 22/SC
2022-06-21
37/WG 2

ISO 6460-1:2022

Motorcycles — Measurement method for gaseous exhaust emissions and fuelconsumption — Part 1: General test requirements

ISO/TC 22/SC
2022-02-10
38/WG 1

ISO 23280:2022

Electrically propelled mopeds and motorcycles — Test method for evaluation ofenergy performance using motor dynamometer

ISO/TC 22/SC
2022-05-11
38/WG 2

ISO 13063-1:2022

Electrically propelled mopeds and motorcycles — Safety specifications — Part 1: On- ISO/TC 22/SC
2022-07-11
board rechargeable energy storage system (RESS)
38/WG 2

ISO 13063-2:2022

Electrically propelled mopeds and motorcycles — Safety specifications — Part 2:
Vehicle operational safety

ISO/TC 22/SC
2022-07-11
38/WG 2

ISO 13063-3:2022

Electrically propelled mopeds and motorcycles — Safety specifications — Part 3:
Electrical safety

ISO/TC 22/SC
2022-07-11
38/WG 2

ISO/TR 3152:2022

Road vehicles — Comparison between ISO 26262-12 and other parts of the ISO
26262 series to support motorcycle adaptation

ISO/TC 22/SC
2022-02-15
38/WG 3

ISO 20766-13:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 13:
Multivalve

ISO/TC 22/SC
2022-01-04
41/WG 6

ISO 20766-14:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 14:
Vaporizer/pressure regulator

ISO/TC 22/SC
2022-01-04
41/WG 6

ISO 20766-16:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 16:
Injectors and gas mixing device/fuel rail

ISO/TC 22/SC
2022-01-04
41/WG 6

ISO 20766-24:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 24:
Gas tubes

ISO/TC 22/SC
2022-01-04
41/WG 6

ISO 20766-25:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 25:
Gas connections

ISO/TC 22/SC
2022-01-04
41/WG 6

ISO 20766-6:2019/
Amd 1:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel systems components — Part 6:
Pressure relief valves (PRV) — Amendment 1

ISO/TC 22/SC
2022-10-07
41/WG 6

ISO 20766-17:2022

Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 17:
Gas dosage unit

ISO/TC 22/SC
2022-10-10
41/WG 6page

51

2022-05-16

Published by:

10-2 GOBANCHO, CHIYODA-KU, TOKYO, 102-0076 JAPAN
Email kikaku@jsae.or.jp
URL www.jsae.or.jp

Publication: December 2022