Document ID: chunk:federal_register_of_legislation:F2024C00356:reg:12:p6
Version: federal_register_of_legislation:F2024C00356
Segment Type: reg
Provision Reference: reg 12 (pt 6/10)
Character Range: 464151–467208

driving mode.
              5.3. Performing the test
              5.3.1. The provisions of paragraph 6.4., excluding 6.4.1.2., of Annex 4a apply in respect of starting the engine, carrying out the test and taking the emission samples. The sampling begins before or at the initiation of the engine start-up procedure and ends on conclusion of the final idling period of the last elementary cycle of the Part One (urban driving cycle), after 780 seconds.
               The first driving cycle starts with a period of 11 seconds idling as soon as the engine has started.
              5.3.2. For the analysis of the sampled emissions the provisions of paragraph 6.5., excluding paragraph 6.5.2., of Annex 4a apply. In performing the exhaust sample analysis the technical service shall exercise care to prevent condensation of water vapour in the exhaust gas sampling bags.
              5.3.3. For the calculations of the mass emissions the provisions of paragraph 6.6. of Annex 4a apply.
              6. Other requirements
              6.1. Irrational emission control strategy
              6.1.1. Any irrational emission control strategy which results in a reduction in effectiveness of the emission control system under normal operating conditions at low temperature driving, so far as not covered by the standardised emission tests, may be considered a defeat device.

Annex 9
  Type V Test

(Description of the endurance test for verifying the durability of pollution control devices)
              1. Introduction
              1.1. This annex described the test for verifying the durability of anti-pollution devices equipping vehicles with positive-ignition or compression-ignition engines. The durability requirements shall be demonstrated using one of the three options set out in paragraphs 1.2, 1.3. and 1.4.
              1.2. The whole vehicle durability test represents an ageing test of 160,000 km. This test is to be performed driven on a test track, on the road, or on a chassis dynamometer.
              1.3. The manufacturer may choose to use a bench ageing durability test.
              1.4. As an alternative to durability testing, a manufacturer may choose to apply the assigned deterioration factors from the table in paragraph 5.3.6.2. of this Regulation.
              1.5. At the request of the manufacturer, the technical service may carry out the Type I Test before the whole vehicle or bench ageing durability test has been completed using the assigned deterioration factors in the table in paragraph 5.3.6.2. of this Regulation. On completion of the whole vehicle or bench ageing durability test, the technical service may then amend the type approval results recorded in Annex 2 of this Regulation by replacing the assigned deterioration factors in the above table with those measured in the whole vehicle or bench ageing durability test.
              1.6. Deterioration factors are determined using either the procedures set out in paragraphs 1.2. and 1.3. or using the assigned values in the table referred in paragaph