Regulation No 98 of the Economic Commission for Europe of the United Nations (UN/ECE) uniform provisions concerning the approval of motor vehicle headlamps equipped with gas-discharge light sources
Date: 2001-06-25
Institutions: United Nations Economic Commission for Europe
Subjects: Ecosoc, European standard, approval, motor vehicle, signalling device, vehicle parts

25.6.2001

EN

Official Journal of the European Communities

L 170/109

Regulation No 98 of the Economic Commission for Europe of the United Nations (UN/ECE)
uniform provisions concerning the approval of motor vehicle headlamps equipped with gas-
discharge light sources (1)

A. ADMINISTRATIVE PROVISIONS

SCOPE (2)

This Regulation applies to motor vehicle headlamps equipped with gas discharge light source(s) which
may incorporate lenses of glass or plastic material.

1.

DEFINITIONS

For the purpose of this Regulation,

1.1.

1.2.

1.3.

1.4.

‘Lens’ means the outermost component of the headlamp (unit) which transmits light through
the illuminating surface;

‘Coating’ means any product or products applied in one or more layers to the outer face of
a lens;

‘Ballast’ means the electrical supply of the gas-discharge light source. This ballast may be
partly or completely inside or outside the headlamp;

‘Matched pair’ means the set of lamps of the same function on the left- and right-hand side
of the vehicle;

1.5.

Additional definitions are given in Regulation No 48;

1.6.

Headlamps of different ‘types’ are headlamps which differ in such essential respects as:

1.6.1.

the trade name or mark;

1.6.2.

the characteristics of the optical system;

1.6.3.

the inclusion or elimination of components capable of altering the optical effects by
reflection, refraction, absorption and/or deformation during operation. However, the fitting
or elimination of filters intended solely to change the colour of the beam and not its light
distribution does not entail a change of type;

1.6.4.

suitability for right-hand or left-hand or for both traffic systems;

(1) Regulation of the United Nations Economic Commission for Europe published pursuant to the provisions of

Article 4 (5) of Council Decision 97/836/EC (OJ L 346,17.12.1997, p. 78).

(2) Nothing in this Regulation shall prevent a Contracting Party to the Agreement applying this Regulation from
prohibiting the combination of a headlamp approved ‘PL’ (Plastic Lense) under this Regulation with a mechanical
headlamp-cleaning (i.e. with wipers) on vehicles which it registers.

L 170/110

EN

Official Journal of the European Communities

25.6.2001

1.6.5.

the kind of beam produced (passing beam or driving beam or both);

1.6.6.

the materials constituting the lenses and coating, if any;

1.7.

2.

2.1.

‘Light-transmitting components’ means any part of the headlamp which transmits light for
illumination, such as outer and inner lenses, lens or reflector coatings.

APPLICATION FOR APPROVAL OF A HEADLAMP (1)

The application for approval shall be submitted by the owner of the trade name or mark of
the headlamp or by his duly accredited representative. It shall specify:

2.1.1.

whether the headlamp is intended to provide a passing beam, a driving beam or both;

2.1.2.

2.1.3.

2.1.4.

whether, if the headlamp is intended to provide a passing beam, it is designed for both left-
hand and right-hand traffic or for either left-hand or right-hand traffic only;

if the headlamp is equipped with an adjustable reflector, the mounting position(s) of the
headlamp in relation to the ground and the longitudinal median plane of the vehicle;

the maximum vertical angles above and below the nominal position(s) which the aiming
device can achieve;

2.1.5.

which light sources are energised when the various beam combinations are used;

2.1.6.

the category of gas-discharge light source as listed in Regulation No 99.

2.2.

Every application shall be accompanied by:

2.2.1.

drawings in triplicate in sufficient detail to permit identification of the type (see para-
graphs 3.2 and 4.2 below). The drawings must show the position intended for the approval
number and the additional symbols in relation to the circle of the approval mark, and must
show the headlamp in vertical (axial) section and in front elevation, with main details of the
optical design including the flutings, if applicable.

2.2.2.

A brief technical specification including the make and types of the ballast(s), where it applies.

2.2.3.

Samples, as follows:

2.2.3.1.

for approval of a headlamp, two samples with standard gas-discharge light source and one
ballast of each type to be used, where applicable;

(1) For gas-discharge light sources see Regulation No 99.

25.6.2001

EN

Official Journal of the European Communities

L 170/111

2.2.4.

For the test of plastic material of which the lenses are made:

2.2.4.1.

fourteen lenses;

2.2.4.1.1.

ten of these lenses may be replaced by ten samples of material, at least 60 x 80 mm in size,
having a flat or convex outer surface and a substantially flat area (radius of curvature not
less than 300 mm) in the middle measuring at least 15 × 15 mm.

2.2.4.1.2.

every such lens or sample of material shall be produced by the method to be used in mass
production;

2.2.4.2.

a reflector to which the lenses can be fitted in accordance with the manufacturer’s
instructions.

2.2.5.

For testing the UV-resistance of light transmitting components made of plastic material
against UV radiation of gas-discharge light sources inside the headlamp:

2.2.5.1.

One sample each of the relevant material as being used in the headlamp or one headlamp
sample containing these. Each material sample shall have the same appearance and surface
treatment —if any—as intended for use in the headlamp to be approved.

2.2.5.2.

The UV-resistance testing of internal materials to light source radiation is not necessary if
low-UV-type gas-discharge light sources are being applied as specified in Regulation XXX
(TRANS/SC.1/WP.29/GRE/R.195) or if provisions are taken, to shield the relevant headlamp
components from UV radiation, e.g. by glass filters.

2.3.

2.4.

The materials making up the lenses and coatings, if any, shall be accompanied by the test
report of the characteristics of these materials and coatings if they have already been tested.

The competent authority shall verify the existence of satisfactory arrangements for ensuring
effective control of the conformity of production before type approval is granted.

3.

MARKINGS (1)

3.1.

3.2.

Headlamps submitted for approval shall bear legibly and indelibly on the lens the trade
name or mark of the applicant.

They shall comprise, on the lens and on the main body (2), spaces of sufficient size for the
approval mark and the additional symbols referred to in paragraph 4; these spaces shall be
indicated on the drawings referred to in paragraph 2.2.1 above.

(1) In the case of headlamps designed to meet the requirements of traffic moving on one side of the road only (either
right or left) it is further recommended that the area which can be occulted to prevent discomfort to users in a
country where traffic moves on the side of the road opposite to that of the country for which the headlamp was
designed should be outlined indelibly on the front lens and explained in the maintenance book of the vehicles.
This marking is not necessary, however, where the area is clearly apparent from the design.

(2) If the lens cannot be separated from the main body of the headlamp, the provision of a marking area on the lens

will suffice.

L 170/112

EN

Official Journal of the European Communities

25.6.2001

3.3.

Headlamps designed to satisfy the requirements of both right-hand and left-hand traffic shall
bear markings indicating the two settings of the optical unit on the vehicle or of the gas-
discharge light source on the reflector; these markings shall consist of the letters ‘R/D’ for
the position for right-hand traffic and the letters ‘L/G’ for the position for left-hand traffic.

3.4.

All beams may bear on their light-emitting surface a centre of reference as shown in annex 6.

4.

APPROVAL

4.1.

General

4.1.1.

If all the samples of a type of headlamp submitted pursuant to paragraph 2 above satisfy the
provisions of this Regulation, approval shall be granted.

4.1.2.

4.1.3.

4.1.4.

4.1.5.

Headlamps conforming to this Regulation may be grouped, combined or reciprocally
incorporated with any other lighting or light-signalling function(s) provided that their
respective lighting functions are not impaired.

Where grouped, combined or reciprocally incorporated lamps satisfy the requirements of
more than one Regulation, a single international approval mark may be affixed provided
that each of the grouped, combined or reciprocally incorporated lamps satisfies the
provisions applicable to it.

An approval number shall be assigned to each type approved. Its first two digits (at
present 00) shall indicate the series of amendments incorporating the most recent major
technical amendments made to the Regulation at the time of issue of the approval. The same
Contracting Party may not assign the same number to another type of headlamp covered by
this Regulation. However, the matched pair is considered to be one type.

Notice of approval or of extension or refusal or withdrawal of approval or production
definitely discontinued of a type of headlamp pursuant
to this Regulation shall be
communicated to the Parties to the 1958 Agreement applying this Regulation, by means of
a communication form conforming to the model in annex 1 to this Regulation.

4.1.6.

In addition to the mark prescribed in paragraph 3.1, an approval mark as described in
paragraphs 4.2 and 4.3 below shall be affixed in the spaces referred to in paragraph 3.2
above to every headlamp conforming to a type approved under this Regulation.

4.2.

Composition of the approval mark

The approval mark shall consist of:

4.2.1.

An international approval marking, comprising:

25.6.2001

EN

Official Journal of the European Communities

L 170/113

4.2.1.1.

a circle surrounding the letter ‘E’ followed by the distinguishing number of the country
which has granted approval (1);

4.2.1.2.

the approval number prescribed in paragraph 4.1.4 above;

4.2.2.

the following additional symbol or symbols:

4.2.2.1.

4.2.2.2.

on headlamps meeting left-hand traffic requirements only, a horizontal arrow pointing to
the right of an observer facing the headlamp, i.e. to the side of the road on which the traffic
moves;

on headlamps designed to meet the requirements of both traffic systems by means of an
appropriate adjustment of the setting of the optical unit or the light source, a horizontal
arrow with a head at each end, the heads pointing respectively to the left and to the right;

4.2.2.3.

on headlamps meeting the requirements of this Regulation in respect of the passing beam
only, the letter ‘DC’;

4.2.2.4.

on headlamps meeting the requirements of this Regulation in respect of the driving beam
only, the letter ‘DR’;

4.2.2.5.

on headlamps meeting the requirements of this Regulation in respect of both the passing
beam and the driving beam, the letters ‘DCR’;

4.2.2.6.

on headlamps incorporating a lens of plastic material, the letters ‘PL’ to be affixed near the
symbols prescribed in paragraphs 4.2.2.3 to 4.2.2.5 above;

4.2.2.7.

on headlamps meeting the requirements of this Regulation in respect of the driving beam,
an indication of the maximum luminous intensity expressed by a reference mark as defined
in paragraph 6.3.2.2 below, placed near the circle surrounding the letter ‘E’;

In the case of reciprocally incorporated headlamps, indication of the maximum luminous
intensity of the driving beam as a whole shall be expressed as above.

4.2.3.

In every case the relevant operating mode used during the test procedure according to
paragraph 1.1.1.1 of annex 4 and the allowed voltage(s) according to paragraph 1.1.1.2 of
annex 4 shall be stipulated on the approval forms and on the communication forms
transmitted to the countries which are Contracting Parties to the Agreement and which
apply this Regulation.

In the corresponding cases the device shall be marked as follows:

4.2.3.1.

On headlamps meeting the requirements of this Regulation which are so designed that the
passing beam shall not be lit simultaneously with that of any other lighting function with
which it may be reciprocally incorporated: an oblique stroke (/) shall be placed behind the
passing lamp symbol in the approval mark.

(1) 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungary, 8 for
the Czech Republic, 9 for Spain , 10 for Yugoslavia, 11 for the United Kingdom, 12 for Austria, 13 for
Luxembourg, 14 for Switzerland, 15 ( vacant), 16 for Norway, 17 for Finland, 18 for Denmark, 19 for Romania,
20 for Poland, 21 for Portugal, 22 for the Russian Federation, 23 for Greece, 24 (vacant), 25 for Croatia, 26 for
Slovenia, 27 for Slovakia, 28 for Belarus, 29 for Estonia, 30 (vacant), 31 for Bosnia and Herzegovina, 32-36
(vacant) and 37 for Turkey. Subsequent numbers shall be assigned to other countries in the chronological order
in which they ratify or accede to the Agreement concerning the Adoption of Uniform Conditions of Approval
and Reciprocal Recognition of Approval for Motor Vehicle Equipment and parts, and the numbers thus assigned
shall be communicated by the Secretary-General of the United Nations to the Contracting Parties to the
Agreement.

L 170/114

EN

Official Journal of the European Communities

25.6.2001

4.2.4.

4.2.5.

The two digits of the approval number (at present 00) which indicate the series of
amendments incorporating the most recent major technical amendments made to the
Regulation at the time of issue of the approval and, if necessary, the required arrow may be
marked close to the above additional symbols.

The marks and symbols referred to in paragraphs 4.2.1 and 4.2.2 shall be clearly legible and
be indelible even when the headlamp is fitted in the vehicle. The displacement of a moving
component is deemed to fulfil this requirement.

4.3.

Arrangement of the approval mark

4.3.1.

I n d e p e n d e n t l a m p s

Annex 2, figures 1 to 9, to this Regulation give examples of arrangements of the approval
marks with the above-mentioned additional symbols.

4.3.2.

G r o u p e d , c o m b i n e d o r r e c i p r o c a l l y i n c o r p o r a t e d l a m p s

4.3.2.1.

Where grouped, combined or reciprocally incorporated lamps have found to comply with
the requirements of several Regulations, a single international approval mark may be affixed,
consisting of a circle surrounding the letter ‘E’ followed by the distinguishing number of the
country which has granted approval, and an approval number. This approval mark may be
located anywhere on the grouped, combined or reciprocally incorporated lamps, provided
that:

4.3.2.1.1.

it is visible after their installation, even if displacement of a movable component is necessary;

4.3.2.1.2.

no part of the grouped, combined or reciprocally incorporated lamps that transmits light
can be removed without at the same time removing the approval mark.

4.3.2.2.

The identification symbol for each lamp appropriate to each Regulation under which
approval has been granted,
together with the corresponding series of amendments
incorporating the most recent major technical amendments to the Regulations at the time
of issue of the approval and, if necessary, the required arrow shall be marked:

4.3.2.2.1.

either on the appropriate light-emitting surface;

4.3.2.2.2.

or in a group, in such a way that each of the grouped, combined or reciprocally incorporated
lamps may be clearly identified (see four possible examples in annex 2, Figure 10).

4.3.2.3.

The size of the components of a single approval mark shall not be less than the minimum
size required by the Regulation under which approval has been granted for the smallest of
the individual marks.

4.3.2.4.

An approval number shall be assigned to each type approved. The same Contracting Party
may not assign the same number to another type of grouped, combined or reciprocally
incorporated lamps covered by this Regulation.

4.3.2.5.

Annex 2, Figure 10 of this Regulation gives examples of arrangements of approval marks
for grouped, combined or reciprocally incorporated lamps with all the above-mentioned
additional symbols.

25.6.2001

EN

Official Journal of the European Communities

L 170/115

4.3.3.

Lamps, the lens of which are used for different types of headlamps and which may be
reciprocally incorporated or grouped with other lamps

The provisions laid down in paragraph 4.3.2 above are applicable.

4.3.3.1.

In addition, where the same lens is used, the latter may bear the different approval marks
relating to the different types of headlamps or units of lamps, provided that the main body
of the headlamp, even if it cannot be separated from the lens, also comprises the space
described in paragraph 3.2 above and bears the approval marks of the actual functions. If
different types of headlamps comprise the same main body, the latter may bear the different
approval marks.

4.3.3.2.

Annex 2, Figure 11, to this Regulation gives examples of arrangements of approval marks
relating to the above case.

B.

5.

TECHNICAL REQUIREMENTS FOR HEADLAMPS (1)

GENERAL SPECIFICATIONS

5.1.

Each sample shall comply with the specifications set forth in paragraphs 6 to 8 below.

5.2.

5.2.1.

Headlamps shall be so made as to retain their prescribed photometric characteristics and to
remain in good working order when in normal use, in spite of the vibrations to which they
may be subjected.

Headlamps shall be fitted with a device enabling them to be so adjusted on the vehicle as to
comply with the rules applicable to them. Such a device need not be fitted on units in which
the reflector and the diffusing lens cannot be separated, provided the use of such units is
confined to vehicles on which the headlamps setting can be adjusted by other means.

Where a headlamp providing a passing beam and a headlamp providing a driving beam,
each equipped with its own light source(s), are assembled to form a composite unit, the
adjusting device shall enable each optical system individually to be duly adjusted. The same
provision applies to headlamps providing a front fog lamp beam and a driving beam, and to
headlamps providing a passing beam and a front fog lamp beam, and to headlamps
providing these three beams.

5.2.2.

However, these provisions shall not apply to headlamp assemblies whose reflectors are
indivisible. For this type of assembly, the requirements of paragraph 6.3 of this Regulation
shall apply.

5.3.

5.4.

In the case when gas-discharge light source replacement can be carried out without tools,
the lamp holder shall conform to the dimensional characteristics as given on the data sheet
of IEC Publication 61-2, relevant to the category of gas-discharge light source used. The gas-
discharge light source must fit easily into the headlamp.

Headlamps designed to satisfy the requirements of both right-hand and of left-hand traffic
may be adapted for traffic on a given side of the road either by an appropriate initial setting
when fitted on the vehicle or by selective setting by the user.

(1) Technical requirements gas-discharge light sources: see Regulation No 99.

L 170/116

EN

Official Journal of the European Communities

25.6.2001

Such initial or selective setting may consist, for example, of fixing either the optical unit at a
given angle on the vehicle or the light source(s) at a given angle in relation to the optical
unit. In all cases, only two different and clearly distinct settings, one for right-hand and one
for left-hand traffic, shall be possible, and the design shall preclude inadvertent shifting from
one setting to the other or setting in an intermediate position. Where two different setting
positions are provided for the light source, the components for attaching the light source to
the reflector must be so designed and made that, in each of its two settings, the light source
will be held in position with the precision required for headlamps designed for traffic on
only one side of the road. Conformity with the requirements of this paragraph shall be
verified by visual inspection and, where necessary, by a test fitting.

5.5.

On headlamps designed to provide alternately a driving beam and a passing beam, any
mechanical, electro-mechanical or other device incorporated in the headlamp for switching
from one beam to the other (1) must be so constructed that:

5.5.1.

the device is strong enough to function 50 000 times without suffering damage despite the
vibrations to which it may be subjected in normal use;

5.5.2.

in the case of failure it is possible to obtain the passing beam automatically;

5.5.3.

either the passing beam or the driving beam can always be obtained without any possibility
of the mechanism stopping in between the two positions;

5.5.4.

the user cannot, with ordinary tools, change the shape or position of the moving parts.

5.6.

5.7.

5.8.

Complementary tests shall be done according to the requirements of annex 4 to ensure that
in use there is no excessive change in photometric performance.

Light transmitting components made of plastic material shall be tested according to the
requirements of annex 5.

The headlamp and ballast system shall not generate radiated or power line disturbances to
cause a malfunction of other electric/electronic systems of the vehicle (2).

6.

ILLUMINATION

6.1.

General Provisions

6.1.1.

6.1.2.

Headlamps shall be so made that with suitable gas-discharge light source they give adequate
illuminance without dazzle when emitting the passing beam, and good illumination when
emitting the driving beam.

The illumination produced by the headlamp shall be determined by means of a vertical
screen set up 25 m forward of the headlamp and at right angles to its axes (see
paragraph 6.2.6 and annex 3 to this Regulation), or by any equivalent photometric method.

(1) These provisions shall not apply to the control switch.
(2) Compliance with the requirements for electromagnetic compatibility is relevant to the individual vehicle type.

25.6.2001

EN

Official Journal of the European Communities

L 170/117

6.1.3.

6.1.4.

6.1.5.

The headlamp using a removable gas-discharge light source shall be deemed satisfactory if
the photometric requirements set in the present paragraph 6 are met with one standard light
in accordance with annex 4,
source, which has been aged during at least 15 cycles,
paragraph 4 of Regulation No 99. The flux of this gas-discharge light source may differ from
the objective luminous flux specified in Regulation No 99. In this case, the illuminances
shall be corrected accordingly.

This correction does not apply to headlamps using non removable gas-discharge light
source, or to headlamps with the ballast(s) totally or partially integrated.

The dimensions determining the position of the arc inside the standard gas-discharge light
source are shown in the relevant data sheet of Regulation No 99.

Photometric compliance must be checked in accordance with paragraph 6.2.6 or 6.3 of this
Regulation. This is also valid for the cut off zone between 3°R and 3°L (measurement method
for the cut-off colour being under consideration).

6.1.6.

The trichromatic coordinates of the light of the beams emitted by headlamps using gas-
discharge light sources must be in the following boundaries:

limit towardsblue: x ¯ 0,310

yellow: x ˜ 0,500

green: y ˜ 0,150 + 0,640x

green: y ˜ 0,440

purple: y ¯ 0,050 + 0,750x

red: y ¯ 0,382

6.1.7.

6.2.

6.2.1.

Four seconds after ignition of a headlamp which has not been operated for 30 minutes or
more, 60 lux at least must be reached at point HV of a driving beam and 10 lux at point
50V of a passing beam for headlamps incorporating driving beam and passing beam
functions, or 10 lux at point 50V for headlamps having only a passing beam function. The
power supply shall be sufficient to secure the quick rise of the high current pulse.

Provisions concerning passing beams

The passing beam must produce a sufficiently sharp ‘cut-off’ to permit a satisfactory
adjustment with its aid. The ‘cut-off’ must be a horizontal straight line on the side opposite
to the direction of traffic for which the headlamp is intended; on the other side it must not
extend either above the line HV/H2 of annex 3, Screen 1, or above the line HV/H3/H4 of
annex 3, Screen 2. A cut-off extending above a combination of these lines shall in no
circumstances be permitted.

6.2.2.

The headlamp shall be so aimed that:

6.2.2.1.

in the case of headlamps designed to meet the requirements of right-hand traffic, the ‘cut-
off’ on the left-half of the screen (1) is horizontal and, in the case of headlamps designed to
meet the requirements of left-hand traffic, the ‘cut-off’ on the right-half of the screen is
horizontal;

(1) The test screen must be sufficiently wide to allow examination of the ‘cut-off’ over a range of a least 5° each side

of the line VV.

L 170/118

EN

Official Journal of the European Communities

25.6.2001

6.2.2.2.

this horizontal part of the ‘cut-off’ is situated on the screen 25 cm below the line HH (see
annex 3). The kink of the elbow of the cut-off shall be on the VV line.

6.2.3.

6.2.4.

When so aimed, the headlamp needs, if its approval is sought solely for a passing beam,
comply only with the requirements referred to in paragraphs 6.2.5 and 6.2.6 below; if it is
intended to provide both a passing beam and a driving beam, it shall comply with the
requirements set out in paragraphs 6.2.5 to 6.3.2.3. The values specified for Segment II in
paragraph 6.2.6 do not apply to annex 3, Screen 2.

Where a headlamp so aimed does not meet the requirements set out in paragraphs 6.2.6
and 6.3, its alignment may be changed, provided that the axis of the beam is not displaced
laterally by more than 0,50° (= 22 cm) to the right or left and vertically not more than 0,2°
(= 8,7 cm) up or down (1). To facilitate alignment by means of the ‘cut-off’, the headlamp
may be partially occulted in order to sharpen the ‘cut-off’.

6.2.5.

Only one gas-discharge light source is permitted for each passing beam headlamp.

6.2.5.1.

The voltage applied to the terminals of the ballast(s) is:

either: 13,5 V ± 0,1 for 12 V systems

or: otherwise specified (See annex 7)

6.2.6.

After more than 10 minutes after ignition the illuminances produced on Screen 1 or 2 (or
mirrored about the VV line for left-hand traffic) shall meet the following requirements:

Note: In the table:

Letter L means that the point or segment is located on the left of VV line.

Letter R means that the point or segment is located on the right of VV line.

Letter U means the point or segment is located above HH line.

Letter D means the point or segment is located below HH line.

Designation

Illuminances (lux)

Point
or segments

On and above line
H/H2, or on and
above line H/H3/H4

1

2

3

4

5

6

HV

B 50 L

75 R

50 L

25 L1

50 V

1 Max

1 max

0,5max

20 min

20 max

30 max

12 min

Horizontal
Distances (cm)

Vertical
Distances (cm)

0

L 150

R 50

L 150

L 150

0

0

U 25

D 25

D 37,5

D 75

D 37,5

(1) The limit of realignment of 0,5° towards the right or left is not incompatible with upward or downward vertical
realignment. The latter is limited, too, by the requirements of paragraph 6.3. However, the provisions of
paragraph 6.3 are not applicable to headlamps intended to meet the requirements of this Regulation only for
provision of a passing beam.

25.6.2001

EN

Official Journal of the European Communities

L 170/119

Designation

Illuminances (lux)

Point
or segments

On and above line
H/H2, or on and
above line H/H3/H4

1 Max

20 min

4 min

4 min

2 min

2 min

1 min

1 min

(*)

(*)

(*)

(*)

(*)

(*)

0,1 min

0,2 min

6 min

6 max

Horizontal
Distances (cm)

Vertical
Distances (cm)

R 75

L 396

R 396

L 670

R 670

L 910

R 910

L 350

0

R 350

L 175

0

R 175

L 350

L 175

D 37,5

D 75

D 75

D 75

D 75

D 125

D 125

U 175

U 175

U 175

U 87,5

U 87,5

U 87,5

0

0

L 255 to R 225

D 37,5

R 140 to R 396

U 45

50 R

25 L2

25 R1

25 L3

25 R2

15 L

15 R

Segment I

Segment II

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

A to B

C to D

E to F

Segment

III and

20 max

L 417 to R 375

D 187,5

under

E max R

70 max

Right of VV line

Above D
75

E max L

50 max

Left of VV line

(*) The illumination values at points 14 through 19 shall be such that: 14 + 15 + 16 ¯ 0,3 lux and

17 + 18 + 19 ¯ 0,6 lux.

6.3.

6.3.1.

Provisions concerning driving beams

In the case of a headlamp designed to provide a driving beam and a passing beam,
measurements of the illumination produced on the screen by the driving beam shall be
taken with the same headlamp alignment as for measurements under paragraph 6.2.6 above;
in the case of a headlamp providing a driving beam only, it shall be so adjusted that the area
of maximum illumination is centred on the point of intersection of lines HH and VV; such a
headlamp needs meet only the requirements referred to in paragraph 6.3. Test voltages are
the same as in paragraph 6.2.5.1.

6.3.2.

It is possible to use several light sources for the driving beam, these light sources being listed
in either Regulation No 37 or Regulation No 99. The following provisions shall be met:

L 170/120

EN

Official Journal of the European Communities

25.6.2001

6.3.2.1.

The point of intersection (HV) of the lines HH and VV shall be situated within the isolux
representing 80 per cent of the maximum illuminance. This maximum illuminance,
hereunder designated as Emax, shall lie between 70 and 180 lux.

6.3.2.2.

The reference mark referred to in paragraph 4.2.2.7 above shall be obtained by means of the
formula:

Reference mark = 0,208 Emax

This value shall be rounded off to the value: 17,5 — 20 — 25 — 27,5 — 30 — 37.5.

6.3.2.3.

Starting from point HV, horizontally to the right and left, the illuminance shall be not less
than 40 lux up to a distance of 1,125 m and not less than 10 lux up to a distance of 2,25 m.

6.4.

The screen illuminance values mentioned in paragraphs 6.2.6 to 6.3.2.3 above shall be
measured by means of a photo-receptor, the effective area of which shall be contained
within a square of 65 mm side.

6.5.

Provisions concerning movable reflectors

6.5.1.

With the lamp fixed according to all the positions described in paragraph 2.1.4, the
headlamp must meet the photometric requirements of paragraph 6.2 or 6.3, or both.

6.5.2.

Additional tests are made after the reflector has been tilted vertically upwards by the angle
quoted in paragraph 2.1.4 or 2 degrees, whichever is smaller, by means of the headlamp
aiming devices. The headlamp is then re-aimed downwards (by means of the goniometer),
and the photometric specifications must be met at the following points:

Passing beam: HV and 75 R (75 L respectively)

Driving beam: Emax, HV as percent of Emax

If the aiming devices do not allow a continuous movement, the position nearest to 2 degrees
is chosen.

6.5.3.

The reflector is brought back to its nominal angular position as defined in paragraph 6.2.2,
and the goniometer is set back to its position of origin. The reflector is tilted vertically
downwards by the angle quoted in paragraph 2.1.4, or 2 degrees, whichever is smaller, by
means of the headlamp aiming device. The headlamp is then re-aimed upwards (by means
of the goniometer for example) and points as in paragraph 6.5.2 are checked.

7.

GAUGING OF DISCOMFORT

The discomfort caused by the passing beam of headlamps shall be gauged (1).

(1) This requirement will be the subject of a recommendation for the benefit of the administrations.

25.6.2001

EN

Official Journal of the European Communities

L 170/121

C.

8.

8.1.

FURTHER ADMINISTRATIVE PROVISIONS

MODIFICATION OF THE HEADLAMP TYPE AND EXTENSION OF APPROVAL

Every modification of the headlamp type including the ballast shall be notified to the
administrative department which approved the headlamp type. The said department may
then either:

8.1.1.

Consider that the modifications made are unlikely to have appreciable adverse effects and
that in any event the headlamp still complies with the requirements; or

8.1.2.

Require a further test report from the technical service responsible for conducting the tests.

8.2.

8.3.

9.

9.1.

9.2.

Confirmation or refusal or approval, specifying the alterations, shall be communicated by
the procedure specified in paragraph 4.1.5 above to the Contracting Parties to the Agreement
which apply this Regulation.

The competent authority issuing the extension of approval shall assign a series number to
each communication form drawn up for such an extension and inform thereof the other
Contracting Parties to the 1958 Agreement applying this Regulation by means of a
communication form conforming to the model in annex 1 to this Regulation.

CONFORMITY OF PRODUCTION

Headlamps approved under this Regulation shall be so manufactured as to conform to the
type approved by meeting the requirements set forth in paragraph 6.

In order to verify that the requirements of paragraph 9.1 are met, suitable controls of the
production shall be carried out.

9.3.

The holder of the approval shall in particular:

9.3.1.

ensure the existence of procedures for the effective control of the quality of products:

9.3.2.

9.3.3.

9.3.4.

9.3.5.

have access to the control equipment necessary for checking the conformity to each
approved type;

ensure that data of test results are recorded and that related documents shall remain available
for a period to be determined in accordance with the administrative service;

analyze the results of each type of test in order to verify and ensure the stability of the
product characteristics making allowance for variation of an industrial production;

ensure that for each type of product at least the tests prescribed in annex 8 to this Regulation
are carried out;

L 170/122

EN

Official Journal of the European Communities

25.6.2001

9.3.6.

ensure that any collecting of samples giving evidence of nonconformity with the type of test
considered shall give rise to another sampling and another test. All the necessary steps shall
be taken to re-establish the conformity of the corresponding production.

9.4.

The competent authority which has granted type approval may at any time verify the
conformity control methods applicable to each production unit.

9.4.1.

In every inspection, the test books and production survey records shall be presented to the
visiting inspector.

9.4.2.

9.4.3.

9.4.4.

9.4.5.

The inspector may take samples at random to be tested in the manufacturer’s laboratory.
The minimum number of samples may be determined in the light of results of the
manufacturer’s own checks.

When the quality level appears unsatisfactory or when it seems necessary to verify the
validity of the tests carried out in the application of paragraph 9.4.2 above, the inspector
shall select samples, to be sent to the technical service which has conducted the type
approval tests, using the criteria of annex 9.

The competent authority may carry out any test prescribed in this Regulation. These tests
will be on samples selected at random without causing distortion of the manufacturer’s
delivery commitments and in accordance with the criteria of annex 9.

The competent authority shall strive to obtain a frequency of inspection of once every two
years. However, this is at the discretion of the competent authority and their confidence in
the arrangements for ensuring effective control of the conformity of production. In the case
where negative results are recorded, the competent authority shall ensure that all necessary
steps are taken to re-establish the conformity of production as rapidly as possible.

9.5.

Headlamps with apparent defects are disregarded.

9.6.

The reference mark is disregarded.

9.7.

The measuring points 14 to 21 from paragraph 6.2.6 of this Regulation are disregarded.

10.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

10.1.

10.2.

The approval granted in respect of a type of headlamp pursuant to this Regulation may be
withdrawn if the requirements are not complied with or if a headlamp bearing the approval
mark does not conform to the type approved.

If a Contracting Party to the Agreement applying this Regulation withdraws an approval it
has previously granted, it shall forthwith so notify the other Contracting Parties applying
this Regulation by means of a communication form conforming to the model in annex 1 to
this Regulation.

25.6.2001

EN

Official Journal of the European Communities

L 170/123

11.

PRODUCTION DEFINITELY DISCONTINUED

If the holder of the approval completely ceases to manufacture a type of headlamp approved
in accordance with this Regulation, he shall so inform the authority which granted the
approval. Upon receiving the relevant communication, that authority shall inform thereof
the other Contracting Parties to the 1958 Agreement applying this Regulation by means of
a communication form conforming to the model in annex 1 to this Regulation.

12.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING
APPROVAL TESTS, AND OF ADMINISTRATIVE DEPARTMENTS

The Contracting Parties to the 1958 Agreement applying this Regulation shall communicate
to the United Nations Secretariat the names and addresses of the technical services
responsible for conducting approval tests and of the administrative departments which grant
approval and to which forms certifying approval or extension or refusal or withdrawal of
approval, or production definitely discontinued, issued in other countries, are to be sent.

L 170/124

EN

Official Journal of the European Communities

25.6.2001

ANNEX 1

Communication

[maximum format: A4 (210 x 297 mm)]

issued by: Name of administration:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Concerning (2): APPROVAL GRANTED

APPROVAL EXTENDED

APPROVAL REFUSED

APPROVAL WITHDRAWN

PRODUCTION DEFINITELY DISCONTINUED

of a type of headlamp pursuant to Regulation No. 98

Approval No.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Extension No. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.

Trade name or mark of the headlamp:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Manufacturer’s name for the type of device:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. Manufacturer’s name and address:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.

If applicable, name and address of the manufacturer’s representative:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.

Submitted for approval on:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(1) Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the

Regulation).

(2) Strike out what does not apply.

25.6.2001

EN

Official Journal of the European Communities

L 170/125

6.

7.

8.

9.

Technical service responsible for conducting approval tests:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Date of test report:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Number of test report:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Brief description:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.1. Headlamp submitted for approval as type (1):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.2. The passing beam light source may/may not (2) be lit simultaneously with the driving beam light source and/or

another reciprocally incorporated headlamp.

9.3. The rated voltage of the device is:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.4. Category (or categories) of light source(s):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9.5. Trade name and identification number of separate ballast(s) or part(s) of ballast(s):

. . . . . . . . . . . . . . . . . . . . . . . . .

9.6. Remarks (if any):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10. Approval mark position:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11. Reason(s) for extension of approval:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12. Approval granted/extended/refused/withdrawn (2):

13. Place:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14. Date: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15. Signature:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16. The list of documents deposited with the Administration Service which has granted approval is annexed to this

communication and may be obtained on request.

(1) Indicate the appropriate marking selected from the list below:

(2) Strike out what does not apply.

L 170/126

EN

Official Journal of the European Communities

25.6.2001

ANNEX 2

Examples of arrangements of approval marks

a = 8 mm min.

Figure 1

The headlamp bearing the approval mark shown above is a headlamp approved in the Netherlands (E4), under
approval number 2439, meeting the requirements of this Regulation in its original form (00). The passing beam is
designed for right-hand traffic only.

The figure 30 indicates that the maximum luminous intensity of the driving beam is between 86 250 and
101 250 candelas.

Note: The approval number and additional symbols shall be placed close to the circle and either above or below the
letter ‘E’, or to the right or left of that letter. The digits of the approval number shall be on the same side of the
letter ‘E’ and face in the same direction.

The use of Roman numerals as approval numbers should be avoided so as to prevent any confusion with other
symbols.

Figure 2

Figure 3a

The headlamp bearing the approval marking shown above is a headlamp meeting the requirements of this Regulation
with respect to both the passing beam and the driving beam and designed:

For left-hand traffic only

For left-hand traffic only For both traffic systems, by
means of an adjustment as desired of the setting of the
optical unit or the light source on the vehicle

25.6.2001

EN

Official Journal of the European Communities

L 170/127

Figure 3b

Figure 4

Figure 5

The headlamp bearing the approval marking shown above is a headlamp meeting the requirements of this Regulation
in its original form with a gas discharge light source for the passing beam only and is equipped with a lens of plastic
material, and designed:

For both traffic systems

For right-hand traffic only

Figure 6

The headlamp bearing the approval marking shown above is a headlamp meeting the requirements of this Regulation
in its original form with gas discharge light sources for the driving beam, and is combined or grouped or reciprocally
incorporated with a front fog lamp.

Figure 7a

Figure 7b

L 170/128

EN

Official Journal of the European Communities

25.6.2001

The headlamp bearing the above approval marking shown above is a headlamp meeting the requirements of this
Regulation.

With a gas discharge light source in respect of the
passing beam only and is designed for left-hand traffic
only

Same arrangement as figure 6, but the front fog lamp
cannot be lit simultaneously with the driving beam

Figure 8

Figure 9

Identification of a passing beam headlamp meeting the requirements of this Regulation and incorporating a lens of
plastic material.

and combined or grouped or reciprocally incorporated
with R 8 halogen driving beam.

designed for both traffic systems

The passing beam shall not be lit simultaneously with
the halogen driving beam. The passing beam is designed
for right-hand traffic only

The passing beam shall not be lit simultaneously with
another reciprocally incorporated headlamp

Examples of possible simplified marking for grouped, combined or reciprocally incorporated lamps fitted to the
front of the vehicle.

Figure 10

(The vertical and horizontal lines schematise the shape and overall arrangement of the light-signalling device. They
are not part of the approval mark.)

Model A

25.6.2001

EN

Official Journal of the European Communities

L 170/129

Model B

Model C

Model D

Note: The four examples shown above correspond to a lighting device bearing an approval mark relating to:

A front position lamp approved in accordance with the 01 series of amendments to Regulation No. 7, for left-hand
installation;

a headlamp with a gas discharge passing beam designed for right-hand and left-hand traffic and a gas discharge
driving beam with a maximum intensity comprised between 86 250 and 101 250 candelas (as indicated by the
number 30), approved in accordance with this Regulation in its original form and incorporating a lens of plastic
material;

a front fog lamp approved in accordance with the 02 series of amendments to Regulation No. 19 and incorporating
a lens of plastic material;

a front direction indicator lamp of category la approved in accordance with the 01 series of amendments to
Regulation No 6.

L 170/130

EN

Official Journal of the European Communities

25.6.2001

Figure 11

Lamp reciprocally incorporated or grouped with a headlamp

Example 1

The above example corresponds to the marking of a lens intended to be used in different types of headlamps namely:

either: a headlamp with a passing beam designed for both traffic systems and a driving beam with a maximum
luminous intensity comprised between 52 500 and 67 500 candelas (as indicated by the number 20) approved in
the Netherlands (E 4) in accordance with the requirements of Regulation No 8 as amended by the 04 series of
amendments, and a front position lamp approved in accordance with the 01 series of amendments to Regulation
No 7,

or: a headlamp with a gas discharge passing beam and a driving beam with a maximum luminous intensity comprised
between 86 250 and 101 250 candelas (as indicated by the number 30), designed for both traffic systems and
approved in the Netherlands in accordance with the requirements of this Regulation in its original form, which is
reciprocally incorporated with the same front position lamp as above,

or: even either of the above-mentioned headlamps approved as a single lamp.

The main body of the headlamp shall bear the only valid approval number, for instance:

25.6.2001

EN

Official Journal of the European Communities

L 170/131

or

or

Figure 11 (following)

Example 2

The above example corresponds to the marking of a lens of plastic material and used in an assembly of two
headlamps approved in the Netherlands (E4) under approval number 81151, consisting of:

a headlamp emitting a halogen passing beam designed for both traffic systems and a halogen driving beam with a
maximum luminous intensity between x and y candelas, meeting the requirements of Regulation No 8 and,

a headlamp emitting a gas discharge driving beam with a maximum luminous intensity comprised between w and
z candelas, meeting the requirements of this Regulation in its original form, the maximum luminous intensities of
the driving beam contributors as a whole being comprised between 86 250 and 101 250 candelas as shown by the
number 30.

L 170/132

EN

Official Journal of the European Communities

25.6.2001

ANNEX 3

Figure A: Measuring screen 1

* Do not scale.

Passing beam

Dimensions are in cm on a flat vertical screen at 25 m. The HH and VV lines are the intersections with this screen of
the horizontal and vertical planes passing through the axis of reference of the passing beam as declared by the
applicant. The above screen describes a right-hand traffic passing beam. The screen for left-hand traffic passing beam
is mirrored about the VV line. Angle HVH2-HH = 15°.

Figure B: Measuring screen 2

* Do not scale.

Passing beam

Dimensions are in cm on a flat vertical screen at 25 m. The HH and VV lines are the intersections with this screen of
the horizontal and vertical planes passing through the axis of reference of the passing beam as declared by the
applicant. The above screen describes a right-hand traffic passing beam. The screen for left-hand traffic passing beam
is mirrored about the VV line. Angle HVH2-HH = 15°.

25.6.2001

EN

Official Journal of the European Communities

L 170/133

Figure C: Measuring points for illumination values

L 170/134

EN

Official Journal of the European Communities

25.6.2001

ANNEX 4

Tests for stability of photometric performance of headlamps in operation

TEST ON COMPLETE HEADLAMPS

Once the photometric values have been measured according to the prescriptions of this Regulation, in the point for
Emax for driving beam and in points HV, 50 R and B 50 L for passing beam (or HV, 50 L, B 50 R for headlamps
designed for left-hand traffic) a complete headlamp sample shall be tested for stability of photometric performance
in operation. ‘Complete headlamp’ shall be understood to mean the complete lamp itself including ballast(s) and
those surrounding body parts and lamps which could influence its thermal dissipation.

1.

TEST OF STABILITY OF PHOTOMETRIC PERFORMANCE

The tests shall be carried out in a dry and still atmosphere at an ambient temperature of 23 °C ± 5 °C,
the complete headlamp being mounted on a base representing the correct installation on the vehicle.

1.1.

Clean headlamp

The headlamp shall be operated for 12 hours as described in subparagraph 1.1.1 and checked as
prescribed in subparagraph 1.1.2.

1.1.1.

T e s t P r o c e d u r e

The headlamp shall be operated for a period according to the specified time, so that:

1.1.1.1.

a) in the case where only one lighting function (driving or passing beam) is to be approved, the

corresponding light source is lit for the prescribed time (1)

b) in the case of a reciprocally incorporated passing beam lamp and driving beam lamp or in the case
of a reciprocally incorporated front fog lamp and driving beam headlamp: If the applicant declares
that the headlamp is to be used with a single light source lit (2) at a time, the test shall be carried
out in accordance with this condition, activating (1) each specified function successively for half the
time specified in paragraph 1.1, in all other cases (1) (2) the headlamp shall be subjected to the
following cycle until the time specified is reached:

15 minutes, passing beam lit

5 minutes, all functions lit;

c) In the case of grouped lighting functions, all the individual functions shall be lit simultaneously for
lighting functions (a), also taking into account the use of

the time specified for individual
reciprocally incorporated lighting functions (b), according to the manufacturer’s specifications.

1.1.1.2.

Test voltage

The test voltage for the ballast is 13,5 ± 0,1 volts for 12 V network system, or otherwise specified in
the application for approval. If there are reciprocally incorporated filament lamps, the voltage
producing the reference flux shall be used.

(1) When the tested headlamp is grouped and/ or reciprocally incorporated with signalling lamps, the latter shall be lit for the
duration of the test. In the case of a direction indicator lamp, it shall be lit in flashing operation mode with an on/ off time ratio
of approximately one to one.

(2) Should two or more light sources be simultaneously lit when headlamp flashing is used, this shall not be considered as being

normal use of the light sources simultaneously.

25.6.2001

EN

Official Journal of the European Communities

L 170/135

1.1.2.

T e s t r e s u l t s

1.1.2.1.

Visual inspection

Once the headlamp has been stabilised to the ambient temperature, the headlamp lens and the external
lens, if any, shall be cleaned with a clean, damp cotton cloth. It shall then be inspected visually; no
distortion, deformation, cracking or change in colour of either the headlamp lens or the external lens,
if any, shall be noticeable.

1.1.2.2.

Photometric test

To comply with the requirements of this Regulation, the photometric values shall be verified in the
following points:

Passing beam: 50 R - B 50 L - HV for headlamps designed for right-hand traffic

50 L - B 50 R - HV for headlamps designed for left-hand traffic,

Driving beam: Point of Emax.

Another aiming may be carried out to allow for any deformation of the headlamp base due to heat
(the change of the position of the cut-off line is covered in paragraph 2 of this annex).

A 10 per cent discrepancy between the photometric characteristics and the values measured prior to
the test is permissible including the tolerances of the photometric procedure.

1.2.

Dirty headlamp

After being tested as specified in subparagraph 1.1 above, the headlamp shall be operated for one hour
as described in subparagraph 1.1.1, after being prepared as prescribed in subparagraph 1.2.1, and
checked as prescribed in subparagraph 1.1.2.

1.2.1.

P r e p a r a t i o n o f t h e h e a d l a m p

1.2.1.1.

Test mixture

1.2.1.1.1.

For headlamp with the outside lens in glass:

The mixture of water and a polluting agent to be applied to the headlamp shall be composed of:

9 parts by weight of silica sand with a particle size of 0-100 (cid:236)m,

1 part by weight of vegetal carbon dust (beechwood) with a particle size of 0-100 (cid:236)m,

0,2 parts by weight of NaCMC (1), and

an appropriate quantity of distilled water, with a conductivity of ˜ 1 mS/m.

The mixture must not be more than 14 days old.

1.2.1.1.2.

For headlamp with outside lens in plastic material:

The mixture of water and polluting agent to be applied to the headlamp shall be composed of:

9 parts by weight of silica sand with a particle size of 0-100 (cid:236)m,

1 part by weight of vegetal carbon dust (beechwood) with a particle size of 0-100 (cid:236)m,

0,2 part by weight of NaCMC (1),

(1) NaCMC represents the sodium salt of carboxymethylcellulose, customarily referred to as CMC. The NaCMC used in the dirt
mixture shall have a degree of substitution ( DS) of 0,6-0,7 and a viscosity of 200-300 cP for a 2 per cent solution at 20 °C.

L 170/136

EN

Official Journal of the European Communities

25.6.2001

13 parts by weight of distilled water with a conductivity of ˜ 1 mS/m,

and

2 ± 1 parts by weight of surface-actant (1)

The mixture must not be more than 14 days old.

1.2.1.2.

Application of the test mixture to the headlamp

The test mixture shall be uniformly applied to the entire light-emitting surface of the headlamp and
then left to dry. This procedure shall be repeated until the illuminating value has dropped to 15-20
per cent of the values measured for each following point under the conditions described in this annex:

Point Emax in passing beam/driving beam and in driving beam only,

50 R and 50 V (2) for a passing lamp only, designed for right-hand traffic,

50 L and 50 V (2) for a passing lamp only, designed for left-hand traffic.

1.2.1.3.

Measuring equipment

The measuring equipment shall be equivalent to that used during headlamp approval tests. The gas-
discharge light source supplied by the applicant shall be used for the photometric verification.

2.

TEST FOR CHANGE IN VERTICAL POSITION OF THE CUT-OFF LINE UNDER THE INFLUENCE OF
HEAT.

This test consists of verifying that the vertical drift of the cut-off line under the influence of heat does
not exceed a specified value for an operating passing lamp. The headlamp tested in accordance with
paragraph 1 shall be subjected to the test described in paragraph 2.1, without being removed from or
readjusted in relation to its test fixture. If the headlamp has a moving reflector, only the position
closest to the average vertical angular stroke is chosen for this test.

2.1.

Test for passing beam headlamps

The test shall be carried out in a dry and still atmosphere at an ambient temperature of 23 °C ± 5 °C.

Using a mass production gas-discharge light source which has been aged for at least 15 hours, the
headlamp shall be operated on passing beam function without being dismounted from or readjusted
in relation to its test fixture. (For the purpose of this test, the voltage shall be adjusted as specified in
paragraph 1.1.1.2). The position of the cut-off line in its horizontal part (between VV and the vertical
line passing through point B 50 L for right-hand traffic or B 50 R for left-hand traffic) shall be verified
3 minutes (r3) and 60 minutes (r60) respectively after operation. The measurement of the variation in
the cut-off line position as described above shall be carried out by any method giving acceptable
accuracy and reproducible results.

2.2.

Test results

2.2.1.

The result expressed in milliradians (mrad) shall be considered as acceptable for a passing beam
headlamp when the absolute value ˜ rI = ( r3 - r60) recorded on the headlamp is not more than
1,0 mrad (˜ rI ˜ 1,0 mrad).

(1) The tolerance on quantity is due to the necessity of obtaining a dirt that correctly spreads out on all the plastic lens.
(2) 50 V is situated 375 mm below HV on the vertical line VV on the screen at 25m distance.

25.6.2001

EN

Official Journal of the European Communities

L 170/137

2.2.2.

However, if this value is more than 1,0 mrad but not more than 1,5 mrad (1,0 mrad < ˜rI ˜ 1,5 mrad),
a second headlamp shall be tested as described in paragraph 2.1, after being subjected three consecutive
times to the cycle as described below, in order to stabilise the position of mechanical parts of the
headlamp on a base representative of the correct installation on the vehicle:

Operation of
paragraph 1.1.1.2);

the passing beam for one hour (the voltage shall be adjusted as specified in

Period of rest for one hour.

The headlamp type shall be considered as acceptable if the mean value of the absolute values ˜ rI
measured on the first sample and ˜ rII measured on the second sample is not more than 1,0 mrad.

[(˜rI + ˜rII) / 2 ˜ 1,0 mrad].

L 170/138

EN

Official Journal of the European Communities

25.6.2001

ANNEX 5

Requirements for lamps incorporating lenses of plastic material testing of lens or material samples and of
complete lamps

1.

GENERAL SPECIFICATIONS

1.1.

1.2.

1.3.

1.4.

1.5.

The samples supplied pursuant to paragraph 2.2.4 of the Regulation shall satisfy the specifications
indicated in paragraphs 2.1 to 2.5 below.

The two samples of complete lamps supplied pursuant to paragraph 2.2.3 of the Regulation and
incorporating lenses of plastic material shall, with regard to the lens material, satisfy the specifications
indicated in paragraph 2.6 below.

The samples of lenses of plastic material or samples of material shall be subjected, with the reflector to
which they are intended to be fitted (where applicable), to approval tests in the chronological order
indicated in table A reproduced in appendix 1 to this annex.

However, if the lamp manufacturer can prove that the product has already passed the tests prescribed
in paragraphs 2.1 to 2.5 below, or the equivalent tests pursuant to another Regulation, those tests
need not be repeated; only the tests prescribed in appendix 1, table B, shall be mandatory.

If the headlamps are designed for right-hand installation only, or for left-hand installation only, tests
pursuant to this annex may be done on one sample only, at the choice of the applicant.

2.

TESTS

2.1.

Resistance to temperature changes

2.1.1.

T e s t s

Three new samples (lenses) shall be subjected to five cycles of temperature and humidity (RH = relative
humidity) change in accordance with the following programme:

— 3 hours at 40 °C ± 2 °C and 85-95 per cent RH;

— 1 hour at 23 °C ± 5 °C and 60-75 per cent RH;

— 15 hours at -30 °C ± 2 °C;

— 1 hour at 23 °C ± 5 °C and 60-75 per cent RH;

— 3 hours at 80 °C ± 2 °C

— 1 hour at 23 °C ± 5 °C and 60-75 per cent RH;

Before this test, the samples shall be kept at 23 °C ± 5 °C and 60-75 per cent RH for at least four
hours.

Note: The periods of one hour at 23 °C ± 5 °C shall include the periods of transition from one

temperature to another which are needed in order to avoid thermal shock effects.

25.6.2001

EN

Official Journal of the European Communities

L 170/139

2.1.2.

P h o t o m e t r i c m e a s u r e m e n t s

2.1.2.1.

Method

Photometric measurements shall be carried out on the samples before and after the test. These
measurements shall be made using a standard lamp, at the following points:

— B 50 L and 50 R for the passing beam of a passing lamp or a passing/driving lamp (B 50 R and

50 L in the case of headlamps intended for left-hand traffic),

— Emax for the driving beam of a driving lamp or a passing/driving lamp.

2.1.2.2.

Results

The variation between the photometric values measured on each sample before and after the test shall
not exceed 10 per cent including the tolerances of the photometric procedure.

2.2.

Resistance to atmospheric and chemical agents

2.2.1.

R e s i s t a n c e t o a t m o s p h e r i c a g e n t s

Three new samples (lenses or samples of material) shall be exposed to radiation from a source having
a spectral energy distribution similar to that of a black body at a temperature between 5 500 and
6 000 K. Appropriate filters shall be placed between the source and the samples so as to reduce as far
as possible radiations with wave lengths smaller than 295 nm and greater than 2 500 nm. The samples
shall be exposed to an energetic illumination of 1 200 W/m2 ± 200 W/m2 for a period such that the
luminous energy that they receive is equal to 4 500 MJ/m2 ± 200 MJ/m2. Within the enclosure, the
temperature measured on the black panel placed on a level with the samples shall be 50 °C ± 5 °C. In
order to ensure a regular exposure, the samples shall revolve around the source of radiation at a speed
between 1 and 5 ± t/min-1.

The samples shall be sprayed with distilled water of conductivity lower than 1 mS/m at a temperature
of 23 °C ± 5 °C, in accordance with the following cycle:

— spraying: 5 minutes;

— drying: 25 minutes.

2.2.2.

R e s i s t a n c e t o c h e m i c a l a g e n t s

After the test described in paragraph 2.2.1 above and the measurement described in paragraph 2.2.3.1
below have been carried out, the outer face of the said three samples shall be treated as described in
paragraph 2.2.2.2 with the mixture defined in paragraph 2.2.2.1 below.

2.2.2.1.

Test mixture

The test mixture shall be composed of 61,5 per cent n-heptane, 12,5 per cent toluene, 7,5 per cent
ethyl tetrachloride, 12,5 per cent trichloroethylene and 6 per cent xylene (volume per cent).

2.2.2.2.

Application of the test mixture

Soak a piece of cotton cloth (as per ISO 105) until saturation with the mixture defined in
paragraph 2.2.2.1 above and, within 10 seconds, apply it for 10 minutes to the outer face of the
sample at a pressure of 50 N/cm2, corresponding to an effort of 100 N applied on a test surface of
14 × 14 mm.

During this 10-minute period, the cloth pad shall be soaked again with the mixture so that the
composition of the liquid applied is continuously identical with that of the test mixture prescribed.
During the period of application, it is permissible to compensate the pressure applied to the sample in
order to prevent it from causing cracks.

L 170/140

EN

Official Journal of the European Communities

25.6.2001

2.2.2.3.

Cleaning

At the end of the application of the test mixture, the samples shall be dried in the open air and then
washed with the solution described in paragraph 2.3. (Resistance to detergents) at 23 °C ± 5 °C.
Afterwards the samples shall be carefully rinsed with distilled water containing not more than 0,2 per
cent impurities at 23 °C ± 5 °C and then wiped off with a soft cloth.

2.2.3.

R e s u l t s

2.2.3.1.

2.2.3.2.

After the test of resistance to atmospheric agents, the outer face of the samples shall be free from
cracks, scratches, chipping and deformation, and the mean variation in transmission ˜t = (T2 - T3)/T2,
measured on the three samples according to the procedure described in appendix 2 to this annex shall
not exceed 0,020 (˜tm ˜ 0,020).

After the test of resistance to chemical agents, the samples shall not bear any traces of chemical
staining likely to cause a variation of flux diffusion, whose mean variation ˜dm = (T5 - T4)/T2,
measured on the three samples according to the procedure described in appendix 2 to this annex shall
not exceed 0,020:

(˜dm ˜ 0,020).

2.2.4.

R e s i s t a n c e t o l i g h t s o u r c e r a d i a t i o n s

The following test shall be done:

Flat samples of each light transmitting plastic component of the headlamp are exposed to the light of
the gas-discharge light source. The parameters such as angles and distances of these samples shall be
the same as in the headlamp. These samples shall have the same colour and surface treatment, if any,
as the parts of the headlamp.

After 1 500 hours of continuous exposure, the calorimetric specifications of the transmitted light
must be met with a new standard gas-discharge light source, and the surfaces of the samples shall be
free of cracks, scratches, scalings or deformation.

2.3.

Resistance to detergents and hydrocarbons

2.3.1.

R e s i s t a n c e t o d e t e r g e n t s

The outer face of three samples (lenses or samples of material) shall be heated to 50 °C ± 5 °C and
then immersed for five minutes in a mixture maintained at 23 °C ± 5 °C and composed of 99 parts
distilled water containing not more than 0,02 per cent impurities and one part alkylaryl sulphonate.
At the end of the test, the samples shall be dried at 50 °C ± 5 °C. The surface of the samples shall be
cleaned with a moist cloth.

2.3.2.

R e s i s t a n c e t o h y d r o c a r b o n s

The outer face of these three samples shall then be lightly rubbed for one minute with a cotton cloth
soaked in a mixture composed of 70 per cent n-heptane and 30 per cent toluene (volume per cent),
and shall then be dried in the open air.

2.3.3.

R e s u l t s

After the above two tests have been performed successively, the mean value of the variation in
transmission ˜t = (T2 - T3)/T2, measured on the three samples according to the-procedure described
in appendix 2 to this annex shall not exceed 0,010:

(˜tm ˜ 0,010).

25.6.2001

EN

Official Journal of the European Communities

L 170/141

2.4.

Resistance to mechanical deterioration

2.4.1.

M e c h a n i c a l d e t e r i o r a t i o n m e t h o d

The outer face of the three new samples (lenses) shall be subjected to the uniform mechanical
deterioration test by the method described in appendix 3 to this annex.

2.4.2.

R e s u l t s

After this test, the variations:

in transmission: ˜t = (T2 - T3)/T2

and in diffusion: ˜d = (T5 - T4)/T2

shall be measured according to the procedure described in appendix 2 in the area specified in
paragraph 2.2.4 above. The mean value of the three samples shall be such that:

˜tm ˜ 0,100

˜dm ˜ 0,050.

2.5.

Test of adherence of coatings, if any

2.5.1.

P r e p a r a t i o n o f t h e s a m p l e

A surface of 20 mm × 20 mm in area of the coating of a lens shall be cut with a razor blade or a
needle into a grid of squares approximately 2 mm × 2 mm. The pressure on the blade or needle shall
be sufficient to cut at least the coating.

2.5.2.

D e s c r i p t i o n o f t h e t e s t

Use an adhesive tape with a force of adhesion of 2 N/(cm of width) ± 20 per cent measured under the
standardised conditions specified in appendix 4 to this annex. This adhesive tape, which shall be at
least 25 mm wide, shall be pressed for at least five minutes to the surface prepared as prescribed in
paragraph 2.5.1.

Then the end of the adhesive tape shall be loaded in such a way that the force of adhesion to the
surface considered is balanced by a force perpendicular to that surface. At this stage, the tape shall be
torn off at a constant speed of 1,5 m/s ± 0,2 m/s.

2.5.3.

R e s u l t s

There shall be no appreciable impairment of the gridded area. Impairments at the intersections
between squares or at the edges of the cuts shall be permitted, provided that the impaired area does
not exceed 15 per cent of the gridded surface.

2.6.

Tests of the complete headlamp incorporating a lens of plastic material

2.6.1.

R e s i s t a n c e t o m e c h a n i c a l d e t e r i o r a t i o n o f t h e l e n s s u r f a c e

2.6.1.1.

Tests

The lens of lamp sample No 1 shall be subjected to the test described in paragraph 2.4.1 above.

L 170/142

EN

Official Journal of the European Communities

25.6.2001

2.6.1.2.

Results

After the test, the results of photometric measurements carried out on the headlamp in accordance
with this Regulation shall not exceed by more than 30 per cent the maximum values prescribed at
points B 50 L and HV and not be more than 10 per cent below the minimum values prescribed at
point 75 R (in the case of headlamps intended for left-hand traffic, the points to be considered are
B 50 R, HV and 75 L).

2.6.2.

T e s t o f a d h e r e n c e o f c o a t i n g s , i f a n y

The lens of lamp sample No 2 shall be subjected to the test described in paragraph 2.5 above.

25.6.2001

EN

Official Journal of the European Communities

L 170/143

Appendix 1

CHRONOLOGICAL ORDER OF APPROVAL TESTS

A.

Tests on plastic materials (lenses or samples of material supplied pursuant to paragraph 2.2.4. of this
Regulation)

Tests

Samples

Lenses or samples of material

Lenses

1 2 3 4 5 6 7 8 9 10 11 12 13 14

1.1.

1.1.1.

1.1.2.

1.2.1.

1.2.2.

1.3.

1.3.1.

1.4.

1.4.1.

1.5.

1.6.

1.6.1.

1.7.

1.7.1.

1.7.2.

1.8.

1.9.

Limited photometry (paragraph 2.1.2)

Temperature change (paragraph 2.1.1)

Limited photometry (paragraph 2.1.2)

X X X

X X X

X X X

Transmission measurement

X X X X X X X X X

Diffusion measurement

Atmospheric agents (paragraph 2.2.1)

Transmission measurement

Chemical agents (paragraph 2.2.2)

Diffusion measurement

Detergents (paragraph 2.3.1)

Hydrocarbons (paragraph 2.3.2)

Transmission measurement

Deterioration (paragraph 2.4.1)

Transmission measurement

Diffusion measurement

Adherence (paragraph 2.5)

Resistance
graph 2.2.4)

to light

source

radiations

(para-

X X X

X X X

X X X

X X X

X X X

X X X

X X X

X X X

X X X

X X X

X X X

X X X

X

X

B.

Tests on complete headlamps (supplied pursuant to paragraph 2.2.3 of this Regulation)

Tests

2.1.

2.2.

2.3.

Deterioration (paragraph 2.6.1.1)

Photometry (paragraph 2.6.1.2)

Adherence (paragraph 2.6.2)

Complete headlamp

Sample No

1

X

X

2

X

L 170/144

EN

Official Journal of the European Communities

25.6.2001

Appendix 2

METHOD OF MEASUREMENT OF THE DIFFUSION AND TRANSMISSION OF LIGHT

1.

EQUIPMENT (see figure)

The beam of a collimator K with a half divergence (cid:226)/2 = 17,4 × 10-4 rd is limited by a diaphragm DT with an
opening of 6 mm against which the sample stand is placed.

A convergent achromatic lens L2, corrected for spherical aberrations, links the diaphragm DT with the receiver
R; the diameter of the lens L2 shall be such that it does not diaphragm the light diffused by the sample in a
cone with a half top angle of (cid:226)/2 = 14°.

An annular diaphragm DD with angles Æ/2 = 1° and Æ max/2 = 12° is placed in an image focal plane of the lens
L2.

The non-transparent central part of the diaphragm is necessary in order to eliminate the light arriving directly
from the light source. It shall be possible to remove the central part of the diaphragm from the light beam in
such a manner that it returns exactly to its original position.

The distance L2 DT and the focal length F2 (1) of the lens L2 shall be so chosen that the image of DT completely
covers the receiver R.

When the initial incident flux is referred to 1 000 units, the absolute precision of each reading shall be better
than 1 unit.

2. MEASUREMENTS

The following readings shall be taken:

Reading

With sample

With central part of DD

Quantity represented

T1

T2

No

Yes (before test)

No

No

Incident flux in initial reading

Flux transmitted by the new material in a field of
24°

T3

Yes (before test)

No

Flux transmitted by the tested material in a field of
24°

T4

T5

Yes (before test)

Yes (before test)

Yes

Yes

Flux diffused by the new material

Flux diffused by the tested material

(1) For L2 it is recommended to use a focal distance of about 80 mm.

25.6.2001

EN

Official Journal of the European Communities

L 170/145

Figure 1

Optical setup for measurement of variations in diffusion and transmission

L 170/146

EN

Official Journal of the European Communities

25.6.2001

Appendix 3

SPRAY TESTING METHOD

1.

1.1.

TEST EQUIPMENT

Spray gun

The spray gun used shall be equipped with a nozzle 1.3 mm in diameter allowing a liquid flow rate of
0,24 ± 0,02 1/minute at an operating pressure of 6,0 bars -0, + 0,5 bar. Under these operation
conditions the fan pattern obtained shall be 170 mm ± 50 mm in diameter on the surface exposed to
deterioration, at a distance of 380 mm ± 10 mm from the nozzle.

1.2.

Test mixture

The test mixture shall be composed of:

— Silica sand of hardness 7 on the Mohr scale, with a grain size between 0 and 0,2 mm and an

almost normal distribution, with an angular factor of 1,8 to 2;

— Water of hardness not exceeding 205 g/m3 for a mixture comprising 25 g of sand per litre of

water.

2.

TEST

The outer surface of the lamp lenses shall be subjected once or more than once to the action of the
sand jet produced as described above. The jet shall be sprayed almost perpendicular to the surface to
be tested.

The deterioration shall be checked by means of one or more samples of glass placed as a reference
near the lenses to be tested. The mixture shall be sprayed until the variation in the diffusion of light on
the sample or samples measured by the method described in appendix 2, is such that:

˜d = (T5 - T4)/T2 = 0,0250 ± 0,0025.

Several reference samples may be used to check that the whole surface to be tested has deteriorated
homogeneously.

25.6.2001

EN

Official Journal of the European Communities

L 170/147

Appendix 4

ADHESIVE TAPE ADHERENCE TEST

1.

2.

3.

4.

PURPOSE

This method allows to determine under standard conditions the linear force of adhesion of an adhesive
tape to a glass plate.

PRINCIPLE

Measurement of the force necessary to unstick an adhesive tape from a glass plate at an angle of 90°.

SPECIFIED ATMOSPHERIC CONDITIONS

The ambient conditions shall be at 23 °C ± 5 °C and 65 ± 15 per cent relative humidity (RH).

TEST PIECES

Before the test, the sample roll of adhesive tape shall be conditioned for 24 hours in the specified
atmosphere (see para 3 above).

Five test pieces each 400 mm long shall be tested from each roll. These test pieces shall be taken from
the roll after the first three turns were discarded.

5.

PROCEDURE

The test shall be under the ambient conditions specified in paragraph 3.

Take the five test pieces while unrolling the tape radially at a speed of approximately 300 mm/s, then
apply them within 15 seconds in the following manner:

Apply the tape to the glass plate progressively with a slight lengthwise rubbing movement of the
finger, without excessive pressure, in such a manner as to leave no air bubble between the tape and
the glass plate.

Leave the assembly in the specified atmospheric conditions for 10 minutes.

Unstick about 25 mm of the test piece from the plate in a plane perpendicular to the axis of the test
piece.

Fix the plate and fold back the free end of the tape at 90°. Apply force in such a manner that the
separation line between the tape and the plate is perpendicular to this force and perpendicular to the
plate.

Pull to unstick at a speed of 300 mm/s ± 30 mm/s and record the force required.

6.

RESULTS

The five values obtained shall be arranged in order and the median value taken as the result of the
measurement. This value shall be expressed in Newtons per centimetre of width of the tape.

L 170/148

EN

Official Journal of the European Communities

25.6.2001

ANNEX 6

Centre of reference

This optional mark of the centre of reference shall be positioned on the lens at its intersection with the reference axis
of the passing beam, and also on the lenses of the driving beams when they are neither grouped nor combined nor
reciprocally incorporated with a passing beam.

The above drawing represents the mark of the centre of reference as projected on a plane substantially tangent to the
lens about the centre of the circle. The lines constituting this mark may either be solid or dotted.

25.6.2001

EN

Official Journal of the European Communities

L 170/149

ANNEX 7

Voltage markings

This marking must be placed on the main body of each
headlamp containing only gas discharge light sources
and ballast, and on each external part of the ballast.

The ballast(s) is(are) designed for a ** Volts network
system.

This marking must be placed on the main body of each
headlamp containing at least one gas discharge light
source and ballast. The ballast(s) is(are) designed for a
** Volts network system.

None of
contains is designed for a 24 Volts network system.

lamps which the headlamp

the filament

L 170/150

EN

Official Journal of the European Communities

25.6.2001

ANNEX 8

Minimum requirements for conformity of production control procedures

1.

GENERAL

1.1.

1.2.

The conformity requirements shall be considered satisfied from a mechanical and geometric standpoint,
if the differences do not exceed inevitable manufacturing deviations within the requirements of this
Regulation.

With respect to photometric performance, the conformity of mass produced headlamps shall not be
contested if, when testing photometric performance of any headlamp chosen at random and measured
at 13,5 V ± 0,1 V or as otherwise specified and:

either equipped with a removable standard gas-discharge light source according to paragraph 6.1.3.
The luminous flux of this gas-discharge light source may differ from the reference luminous flux
specified in Regulation No 99. In this case, the Illuminances shall be corrected accordingly.

or equipped with the serial production gas-discharge light source and the serial ballast. The luminous
flux of this light source may deviate from the nominal luminous flux due to light source and ballast
tolerances as specified in Regulation No 99; accordingly the measured Illuminances may be corrected
by 20 per cent in the favourable direction.

1.2.1.

no illuminances value,
if measured and corrected according to paragraph 1.2 above, deviates
unfavourably by more than 20 per cent from the values prescribed in this Regulation. For values B 50
L (or R) and on line H/H2 (or H/H3/H4) and above, the maximum unfavourable deviation may be
respectively:

B 50 L (or R)(1): 0,20 lx equivalent 20 per cent

0,30 lx equivalent 30 per cent

On line H/H2

(or line H/H3/H4)

and above: 0,30 lx equivalent 20 per cent

0,45 lx equivalent 30 per cent

1.2.2.

or if

1.2.2.1.

1.2.2.2.

1.2.3.

for the passing beam, the values prescribed in this Regulation are met at HV (with a tolerance of ±
0,2 lx) and related to that aiming at one point of each area delimited on the measuring screen (at
25 m) by a circle 15 cm in radius around points B 50 L (or R)(1) (with a tolerance of + 0.1 lx), 75 R
(or L), 50 V, 25 R1, 25 L2, and on segment I;

and if, for the driving beam, HV being situated within the isolux line 0.75 Emax, a tolerance of +
20 per cent for maximum values and –20 per cent for minimum values is observed for the photometric
values at any measuring point specified in paragraph 6.3 of this Regulation.

If the results of the tests described above do not meet the requirements, the alignment of the headlamp
may be changed, provided that the axis of the beam is not displaced laterally by more than 0,5° to the
right or left and not by more than 0,2° up or down.

(1) Letters in brackets refer to headlamps intended for left-hand traffic.

25.6.2001

EN

Official Journal of the European Communities

L 170/151

1.2.4.

If the results of the tests described above do not meet the requirements, tests on the headlamp shall be
repeated using another standard gas-discharge light source or gas-discharge light source and ballast,
whatever is applicable according to paragraph 1.2 above.

1.3.

With respect to the verification of the change in vertical position of the cut-off line under the influence
of heat, the following procedure shall be applied:

One of the sampled headlamps shall be tested according to the procedure described in paragraph 2.1
of annex 4 after being subjected three consecutive times to the cycle described in paragraph 2.2.2 of
annex 4.

The headlamp shall be considered as acceptable if ˜r (as defined in paragraphs 2.1 and 2.2 of annex 4
to this Regulation) does not exceed 1.5 mrad.

If this value exceeds 1.5 mrad but is not more than 2.0 mrad, a second headlamp shall be subjected to
the test after which the mean of the absolute values recorded on both samples shall not exceed
1.5 mrad.

1.4.

The chromaticity coordinates as specified in paragraph 6.1.6 of this Regulation shall be complied with.

2.

MINIMUM REQUIREMENTS FOR VERIFICATION OF CONFORMITY BY THE MANUFACTURER

For each type of headlamp the holder of the approval mark shall carry out at least the following tests,
at appropriate intervals. The tests shall be carried out in accordance with the provisions of this
Regulation.

If any sampling shows non-conformity with respect to the type of test concerned, further samples
shall be taken and tested. The manufacturer shall take steps to ensure the conformity of the production
concerned.

2.1.

Nature of tests

Tests of conformity in this Regulation shall cover the photometric characteristics and the verification
of the change in vertical position of the cut-off line under the influence of heat.

2.2.

Methods used in tests

2.2.1.

Tests shall generally be carried out in accordance with the methods set out in this Regulation.

2.2.2.

2.2.3.

2.2.4.

In any test of conformity carried out by the manufacturer, equivalent methods may be used with the
consent of the competent authority responsible for approval tests. The manufacturer is responsible for
proving that the applied methods are equivalent to those laid down in this Regulation.

The application of paragraphs 2.2.1 and 2.2.2 requires regular calibrations of test apparatus and its
correlation with measurements made by a competent authority.

In all cases the reference methods shall be those of this Regulation, particularly for the purpose of
administrative verification and sampling.

L 170/152

EN

Official Journal of the European Communities

25.6.2001

2.3.

Nature of sampling

Samples of headlamps shall be selected at random from the production of a uniform batch. A uniform
batch means a set of headlamps of the same type, defined according to the production methods of the
manufacturer.

The assessment shall
in general cover series production from individual factories. However, a
manufacturer may group together records concerning the same type from several factories, provided
these operate under the same quality system and quality management.

2.4.

Measured and recorded photometric characteristics

The sampled headlamps shall be subjected to photometric measurements at the points provided for in
the Regulation, the reading being limited to points Emax, HV (1), HL, HR (2) in the case of the driving
beam, and to points B 50 L (or R) (3) HV, 50 V, 75 R (or L) and 25 L2 (or R2) in the case of the passing
beam (see figure in annex 3).

2.5.

Criteria governing acceptability

The manufacturer is responsible for carrying out a statistical study of the test results and for defining,
in agreement with the competent authority, criteria governing the acceptability of his products in
order to meet the specifications laid down for verification of conformity of products in paragraph 9.1
of this Regulation. The criteria governing the acceptability shall be such that, with a confidence level
of 95 per cent, the minimum probability of passing a spot check in accordance with annex 9 (first
sampling) would be 0,95.

(1) When the driving beam is reciprocally incorporated with the passing beam, HV in the case of the driving beam shall be the same

measuring point as in the case of the passing beam.

(2) HL and HR: point on ‘ hh’ located at 1,125 m to the left and to the right of point HV respectively.
(3) Letters in brackets refer to headlamps intended for left-hand traffic.

25.6.2001

EN

Official Journal of the European Communities

L 170/153

ANNEX 9

Minimum requirements for sampling by an inspector

1.

GENERAL

1.1.

1.2.

The conformity requirements shall be considered satisfied from a mechanical and a geometric
standpoint, in accordance with the requirements of this Regulation, if any, if the differences do not
exceed inevitable manufacturing deviations.

With respect to photometric performance, the conformity of mass-produced headlamps shall not be
contested if, when testing photometric performance of any headlamp chosen at random and measured
at 13,5 V ± 0,1 V or as otherwise specified and:

either equipped with a removable standard gas-discharge light source according to paragraph 6.1.3.
The luminous flux of this gas-discharge light source may differ from the reference luminous flux
specified in Regulation No 99. In this case, the illuminances shall be corrected accordingly.

or equipped with the serial production gas-discharge light source and the serial ballast. The luminous
flux of this light source may deviate from the nominal luminous flux due to light source and ballast
tolerances as specified in Regulation No 99, accordingly the measured Illuminances may be corrected
by 20 per cent in the favourable direction.

1.2.1.

no measured value deviates unfavourably by more than 20 per cent from the values prescribed in this
Regulation. In the glare zone the maximum deviation may be respectively:

B 50 L (or R)(1): 0,20 lx equivalent 20 per cent

0,30 lx equivalent 30 per cent

On line H/H2

(or line H/H3/H4)

and above: 0,30 lx equivalent 20 per cent

0,45 lx equivalent 30 per cent

1.2.2.

or if:

1.2.2.1.

1.2.2.2.

for the passing beam, the values prescribed in this Regulation are met at HV (with a tolerance of + 0,2
lx) and related to that aiming at one point of each area delimited on the measuring screen (at 25 m)
by a circle of 15 cm in radius around points B 50 L (or R) (1) (with a tolerance of 0,1 lx), 75 R (or L),
50 V, 25 R1, 25 L2, and on segment I;

and if, for the driving beam, HV being situated within the isolux 0,75 Emax, a tolerance of + 20 per
cent for maximum values and – 20 per cent for minimum values is observed for the photometric
values at any measuring point specified in paragraph 6.3 of this Regulation. The reference mark is
disregarded.

1.2.3.

If the results of the tests described above do not meet the requirements, the alignment of the headlamp
may be changed, provided that the axis of the beam is not displaced laterally by more than 0,5° to the
right or left and not by more than 0,2° up or down.

(1) Letters in brackets refer to headlamps intended for left-hand traffic.

L 170/154

EN

Official Journal of the European Communities

25.6.2001

1.2.4.

If the results of the tests described above do not meet the requirements, tests on the headlamp shall be
repeated using another standard gas-discharge light source or gas-discharge light source and ballast,
whatever is applicable according to paragraph 1.2 above.

1.3.

With respect to the verification of the change in vertical position of the cut-off line under the influence
of heat, the following procedure shall be applied:

One of the sampled headlamps shall be tested according to the procedure described in paragraph 2.1
of annex 4 after being subjected three consecutive times to the cycle described in paragraph 2.2.2 of
annex 4.

The headlamp shall be considered acceptable if ˜r (as defined in paragraphs 2.1 and 2.2 of annex 4 to
this Regulation) does not exceed 1,5 mrad.

If this value exceeds 1,5 mrad but is not more than 2,0 mrad, a second headlamp shall be subjected to
the test after which the mean of the absolute values recorded on both samples shall not exceed
1,5 mrad.

1.4.

The chromaticity coordinates as specified in paragraph 6.1.6 of this Regulation shall be complied with.

2.

FIRST SAMPLING

In the first sampling four headlamps are selected at random. The first sample of two is marked A, the
second sample of two is marked B.

2.1.

The conformity is not contested

2.1.1.

Following the sampling procedure shown in Figure 1 of this annex the conformity of mass-produced
headlamps shall not be contested if the deviation of the measured values of the headlamps in the
unfavourable directions are:

2.1.1.1.

sample A

A1: one headlamp 0 per cent

one headlamp not more than 20 per cent

A2: both headlamps more than 0 per cent

but not more than 20 per cent

go to sample B

2.1.1.2.

sample B

B1: both headlamps 0 per cent

2.1.2.

or if the conditions of paragraph 1.2.2 for sample A are fulfilled.

2.2.

The conformity is contested.

2.2.1.

Following the sampling procedure shown in Figure 1 of this annex the conformity of mass-produced
headlamps shall be contested and the manufacturer requested to make his production meet the
requirements (alignment) if the deviations of the measured values of tie headlamps are:

25.6.2001

EN

Official Journal of the European Communities

L 170/155

2.2.1.1.

sample A

A3: one headlamp not more than 20 per cent

one headlamp more than 20 per cent

but not more than 30 per cent

2.2.1.2.

sample B

B2: in the case of A2 one headlamp more than 0 per cent

but not more than 20 per cent

one headlamp not more than 20 per cent

B3: in the case of A2 one headlamp 0 per cent

one headlamp more than 20 per cent

but not more than 30 per cent

2.2.2.

or if the conditions of paragraph 1.2.2 for sample A are not fulfilled.

2.3.

Approval withdrawn

Conformity shall be contested and paragraph 10 applied if, following the sampling procedure in
Figure 1 of this annex, the deviations of the measured values of the headlamps are:

2.3.1.

sample A

A4: one headlamp not more than 20 per cent

one headlamp more than 30 per cent

A5: both headlamps more than 20 per cent

2.3.2.

sample B

B4: in the case of A2 one headlamp more than 0 per cent

but not more than 20 per cent

one headlamp more than 20 per cent

B5: in the case of A2 both headlamps more than 20 per cent

B6: in the case of A2 one headlamp 0 per cent

one headlamp more than 30 per cent

2.3.3.

or if the conditions of paragraph 1.2.2 for samples A and B are not fulfilled.

3.

REPEATED SAMPLING

In the cases of A3, B2, B3 a repeated sampling, third sample C of two headlamps and fourth sample D
of two headlamps, selected from stock manufactured after alignment, is necessary within two months
time after the notification.

L 170/156

EN

Official Journal of the European Communities

25.6.2001

3.1.

The conformity is not contested.

3.1.1.

Following the sampling procedure shown in Figure 1 of this annex the conformity of mass-produced
headlamps shall not be contested if the deviations of the measured values of the headlamps are:

3.1.1.1.

sample C

C1: one headlamp 0 per cent

one headlamp not more than 20 per cent

C2: both headlamps more than 0 per cent

but not more than 20 per cent

go to sample D

3.1.1.2.

sample D

D1: in the case of C2 both headlamps 0 per cent

3.1.2.

or if the conditions of paragraph 1.2.2 for sample C are fulfilled.

3.2.

The conformity is contested.

3.2.1.

Following the sampling procedure shown in Figure 1 of this annex the conformity of mass-produced
headlamps shall be contested and the manufacturer requested to make his production meet the
requirements (alignment) if the deviations of the measured values of the headlamps are:

3.2.1.1.

sample D

D2: in the case of C2 one headlamp more than 0 per cent

but not more than 20 per cent

one headlamp not more than 20 per cent

3.2.1.2.

or if the conditions of paragraph 1.2.2 for sample C are not fulfilled.

3.3.

Approval withdrawn

Conformity shall be contested and paragraph 11 applied if, following the sampling procedure in
Figure 1 of this annex, the deviations of the measured values of the headlamps are:

3.3.1.

sample C

C3: one headlamp not more than 20 per cent

one headlamp more than 20 per cent

C4: both headlamps more than 20 per cent

25.6.2001

EN

Official Journal of the European Communities

L 170/157

3.3.2.

sample D

D3: in the case of C2

one headlamp 0 or more than 0 per cent

one headlamp more than 20 per cent

3.3.3.

or if the conditions of paragraph 1.2.2 for samples C and D are not fulfilled.

4.

CHANGE OF THE VERTICAL POSITION OF THE CUT-OFF LINE

With respect to the verification of the change in vertical positions of the cut-off line under the
influence of heat, the following procedure shall be applied:

One of the headlamps of sample A after sampling procedure in Figure 1 of this annex shall be tested
according to the procedure described in paragraph 2.1 of annex 4 after being subjected three
consecutive times to the cycle described in paragraph 2.2.2 annex 4.

The headlamp shall be considered as acceptable if ˜r does not exceed 1,5 mrad.

If this value exceeds 1,5 mrad but is not more than 2,0 mrad, the second headlamp of sample A shall
be subjected to the test after which the mean of the absolute values recorded in both samples shall not
exceed 1,5 mrad.

However, if this value of 1,5 mrad on sample A is not complied with, the two headlamps of sample B
shall be subjected to the same procedure and the value of ˜r for each of them shall not exceed
1,5 mrad.

L 170/158

EN

Official Journal of the European Communities

25.6.2001

Figure 1