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Textual Amendments
The criteria for acceptance of a selected vehicle are defined for tailpipe emissions in points 2.1 to 2.8 and for IUPR M in Sections 2.1 to 2.5.
have collected sufficient vehicle operation data for the monitor to be tested.
For monitors required to meet the in-use monitor performance ratio and to track and report ratio data pursuant to point 3.6.1 of Appendix 1 to Annex XI, sufficient vehicle operation data shall mean the denominator meets the criteria set forth below. The denominator, as defined in points 3.3 and 3.5 of Appendix 1 to Annex XI, for the monitor to be tested must have a value equal to or greater than one of the following values:
75 for evaporative system monitors, secondary air system monitors, and monitors utilising a denominator incremented in accordance with point 3.3.2 points (a), (b) or (c) of Appendix 1 to Annex XI (e.g. cold start monitors, air conditioning system monitors, etc.); or
25 for particulate filter monitors and oxidation catalyst monitors utilising a denominator incremented in accordance with point 3.3.2(d) of Appendix 1 to Annex XI; or
150 for catalyst, oxygen sensor, EGR, VVT, and all other component monitors;
have not been tampered with or equipped with add-on or modified parts that would cause the OBD system not to comply with the requirements of Annex XI.
Diagnosis and any normal maintenance necessary shall be performed on vehicles accepted for testing, prior to measuring exhaust emissions, in accordance with the procedure laid down in points 3.1 to 3.7.
For tailpipe emissions, more than one vehicle is found to be an outlying emitter that meets either of the following conditions:
the conditions set out in point 3.2.3 of Appendix 4 to UN/ECE Regulation No 83 and where both the approval authority and the manufacturer agree that the excess emission is due to the same cause; or
the conditions set out in point 3.2.4 of Appendix 4 to UN/ECE Regulation No 83 where the approval authority has determined that the excess emission is due to the same cause.
For IUPR M of a particular monitor M the following statistical conditions are met in a test sample, the size of which is determined according to point 3.5 of this Annex:
For vehicles certified to a ratio of 0,1 in accordance with point 3.1.5 of Appendix 1 to Annex XI, the data collected from the vehicles indicate for at least one monitor M in the test sample either that the test sample average in-use-performance ratio is less than 0,1 or that 66 % or more of the vehicles in the test sample have an in-use monitor performance ratio of less than 0,1.
For vehicles certified to the full ratios in accordance with point 3.1.4 of Appendix 1 to Annex XI, the data collected from the vehicles indicate for at least one monitor M in the test sample either that the test sample average in-use performance ratio in the test sample is less than the value Test min (M) or that 66 % or more of the vehicles in the test sample have an in-use performance ratio of less than Test min (M).
The value of Test min (M) shall be:
0,230 if the monitor M is required to have an in-use ratio of 0,26;
0,460 if the monitor M is required to have an in-use ratio of 0,52;
0,297 if the monitor M is required to have an in-use ratio of 0,336;
according to point 3.1.4 of Appendix 1 to Annex XI.
Textual Amendments