EN   EN 
 
 
 EUROPEAN  
COMMISSION   
Brussels, XXX   
[…](2022) XXX  draft 
ANNEX 9  
 
ANNEX  
to the  
COMMISSION REGULATION  
amending Commission Regulation (EU) 2017/1151 for the purpose of adapting to 
technical progress the emission type approval procedures for light passenger and 
commercial vehicles     
EN 1  EN ANNEX IX 
Annex XI is replaced by the following:  
‘   ANNEX XI  
ON-BOARD  DIAGNOSTICS  (OBD)  FOR  MOTOR  VEHICLES  
1. Introduction  
1.1. This Annex sets out the functional aspects of on -board diagnostic (OBD) systems for 
the control of emissions from motor vehicles.  
2. General requirements  
The requirements  for OBD systems set out in UN Regulation No 154  shall apply for the 
purposes of this Annex.   
3. Administrative provisions for deficiencies o f OBD s ystems  
3.1. The administrative provisions for deficiencies of OBD systems as set out in Article 
6(2) shall be those specified in Section 4 of Annex C5 to UN Regulation No 154  with the 
following exceptions.  
3.2. Reference to ‘OBD threshold s’ in paragraph 4.2.2. of Annex C5 to UN Regulation No 
154 shall be understood as being reference to the OBD threshold s in Table 4A of paragraph 
6.8.2. of UN Regulation No 154 . 
3.3. The second sub -paragraph of p aragraph 4.6  of Annex C5 to UN Regulation No 154  
shall be understood as being as follows:  
‘The approval authority shall notify its decision in granting a deficiency request in accordance 
with Article 6(2).’  
4. Technical requirements  
The definitions,  requirements and t ests for OBD systems set out in paragraph 3.10, 4, 5.10, 
6.8 and Annex C5 to UN Regulation No 154  shall apply for the purposes of this Annex . The 
in-use performance requirements are specified in Appendix 1.  
Appendix 1  
IN-USE PERFORMANCE  
1.1. General Requirements  
The technical requirements and specifications shall be those set out in Appendix 1 to Annex 
11 to UN/ECE Regulation No 83 with the exceptions and additional requirements as 
described in the following sections.  
1.1.1. The requirements of paragr aph 7.1.5. of Appendix 1 to Annex 11 to UN/ECE 
Regulation No 83 shall be understood as being as follows.  
1.1.2. The requirements of paragraph 7.1.7. of Appendix 1 to Annex 11 to UN/ECE 
Regulation No 83 shall be understood as being as follows.  
The manufactu rer shall demonstrate to the approval authority and, upon request, to the 
Commission that these statistical conditions are satisfied for all monitors required to be 
reported by the OBD system in accordance with paragraph 7.6. of Appendix 1 to Annex 11 to 
Regulation No 83 not later than 18 months after the entry onto the market of the first vehicle 
type with IUPR in an OBD family and every 18 months thereafter. For this purpose, for OBD 
families consisting of more than 1000 registrations in the Union, that a re subject to sampling  
EN 2  EN within the sampling period, the process described in Annex II shall be used without prejudice 
to the provisions of paragraph 7.1.9. of Appendix 1 to Annex 11 to Regulation No 83.  
In addition to the requirements set out in Annex II an d regardless of the result of the audit 
described in Section  2 of Annex II, the authority granting the approval shall apply the in -
service conformity check for IUPR described in Appendix 1 to Annex II in an appropriate 
number of randomly determined cases.  ‘In an appropriate number of randomly determined 
cases’ means, that this measure has a dissuasive effect on non -compliance with the 
requirements of Section 3 of this Annex or the provision of manipulated, false or  non-
representative data for the audit. If no special circumstances apply and can be demonstrated 
by the type -approval authorities, random application of the in -service conformity check to 
5 % of the type approved OBD families shall be considered as sufficient for compliance with 
this requirement. For this purpose, type -approval authorities may find arrangements with the 
manufacturer for the reduction of double testing of a given OBD family as long as these 
arrangements do not harm the dissuasive effect of the type -approval authority's own in -servic e 
conformity check on non -compliance with the requirements of Section 3 of this Annex. Data 
collected by Member States during surveillance testing programmes may be used for in -
service conformity checks.  Upon request, type -approval authorities shall provid e data on the 
audits and random in -service conformity checks performed, including the methodology used 
for identifying those cases, which are made subject to the random in -service conformity 
check, to the Commission and other type -approval authorities.  
1.1.3. Non-compliance with the requirements of paragraph 7.1.6. of Appendix 1 to Annex 11 
to Regulation No 83 established by tests described in point 1.1.2 of this Appendix or 
paragraph 7.1.9 of Appendix 1 to Annex 11 to Regulation No 83 shall be considered a s an 
infringement subject to the penalties set out in Article 13 of Regulation (EC) No 715/2007. 
This reference does not limit the application of such penalties to other infringements of other 
provisions of Regulation (EC) No 715/2007 or this Regulation, w hich do not explicitly refer 
to Article 13 of Regulation (EC) No 715/2007.  
1.1.4. Paragraph 7.6.1. of Appendix 1 to Annex 11 of UN/ECE Regulation No 83 shall be 
replaced with the following:  
‘7.6.1. The OBD system shall report, in accordance with the standard listed in paragraph 
6.5.3.2.(a)  of Annex C5 to UN Regulation No 154 , the ignition cycle counter and general 
denominator as well as separate numerators and denominators for the following monitors, if 
their presence on the vehicle is required by this Annex:  
(a) Catalysts (each bank to be reported separately);  
(b) Oxygen/e xhaust gas sensors, including secondary oxygen sensors  
(each sensor to be reported separately); ▼M3  
(c) Evaporative system;  
(d) EGR system;  
(e) VVT system;  
(f) Secondary air system;  
(g) Particulate trap/filter;  
(h) NO x after -treatment system (e.g. N O x absorber, NO x reagent/catalyst system);  
(i) Boost pressure control system.’  
1.1.5. Paragraph 7.6.2. of Appendix 1 to Annex 11 of UN/ECE Regulation No 83 shall be 
understood as follows:   
EN 3  EN ‘7.6.2. For specific components or systems that have multiple m onitors, which are required to 
be reported by this point (e.g. oxygen sensor bank 1 may have multiple monitors for sensor 
response or other sensor characteristics), the OBD system shall separately track numerators 
and denominators for each of the specific monitors and report only the corresponding 
numerator and denominator for the specific monitor that has the lowest numerical ratio. If two 
or more specific monitors have identical ratios, the corresponding numerator and denominator 
for the specific monitor that has the highest denominator shall be reported for the specific 
component.’  
1.1.6. In addition to the requirements of paragraph 7.6.2. of Appendix 1 to Annex 11 of 
UN/ECE Regulation No 83 the following shall apply:  
‘Numerators and denominators for spe cific monitors of components or systems, that are 
monitoring continuously for short circuit or open circuit failures are exempted from reporting.  
‘Continuously,’ if used in this context means monitoring is always enabled and sampling of 
the signal used fo r monitoring occurs at a rate no less than two samples per second and the 
presence or the absence of the failure relevant to that monitor has to be concluded within 15 
seconds.  
If for control purposes, a computer input component is sampled less frequently , the signal of 
the component may instead be evaluated each time sampling occurs.  
It is not required to activate an output component/system for the sole purpose of monitorin g 
that output component/system.  ’.