After warm-up is completed, the engine and sampling system shall be preconditioned by operating the engine for 20 minutes at mode 9, as defined in Table 1 of paragraph 7.2.2. of Annex 4 to UN/ECE Regulation 49 Rev.06, while simultaneously operating the dilution system.
Les émissions de polluants gazeux doivent être mesurées conformément aux paragraphes 7.5.1, 7.5.2, 7.5.3, 7.5.5, 7.7.4, 7.8.1, 7.8.2, 7.8.4 et 7.8.5 de l'annexe 4 du règlement no 49 de la CEE-ONU, rév. 06.