This standard specifies the limits and measurement methods for exhaust emission pollutants from gasoline vehicles under two-speed idle conditions, steady-state loaded mode conditions, transient loaded mode conditions, and short transient loaded mode conditions. Moreover, this standard also specifies the methods and judgment bases for appearance inspection, OBD inspection, and fuel evaporative emission control system inspection of gasoline vehicles.
This standard is applicable to the inspection for new produced vehicle at end of production line, inspection for register vehicle, and inspection for in-use vehicle, and it is also applicable to other vehicles equipped with ignition engine.
2 Normative references
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For undated references, the latest edition of the normative document applies.
GB 5181-2001 Automotive emission - Terms and definitions
GB 14762-2008 Limits and measurement method for exhaust pollutants from gasoline engines of heavy-duty vehicles (III, IV)
GB/T 15089-2001 Classification of power-driven vehicles and trailers
GB 17691 Limits and measurement methods for exhaust pollutants from compression ignition and gas fuelled positive ignition engines of vehicles
GB 17691-2018 Limits and measurement methods for emissions from diesel fuelled heavy-duty vehicles (China VI)
GB 17930 Gasoline for motor vehicles
GB 18047 Compressed natural gas as vehicle fuel
GB 18352 Limits and measurement methods for emissions from light-duty vehicles
GB 19159 Automotive liquefied petroleum gases
3 Terms and definitions
For the purpose of this standard, the following terms and definitions apply.
3.1
light-duty vehicle
vehicle of category M1, M2 and N1 having a maximum mass not exceeding 3,500kg
3.2
vehicle of category M1, M2 and N1
in accordance with GB/T 15089:
vehicle of category M1 refers to the passenger vehicle accommodating a maximum of 9 seats including the driver's seat;
vehicle of category M2 refers to the passenger vehicle accommodating more than 9 seats including the driver's seat and having a maximum mass not exceeding 5,000kg;
vehicle of category N1 having a maximum mass not exceeding 3,500kg
3.3
heavy-duty vehicle
vehicle having a maximum mass exceeding 3,500kg
.......
... ...
b) displaying by the alarm system in case of fault;
c) identifying the possible fault areas and providing offline communication of information by the information stored in the memory of electronic control unit
3.24
vehicle environmental identification document; VEID
motor vehicle environmental identification document specified by the Announcement on the work of disclosing environmental information of motor vehicles and non-road mobile machinery (GUOHUANGUIDAQI [2016] No.3), including the enterprise's declaration of compliance of the vehicle with emission standards and stages, basic vehicle information, environmental protection inspection information, pollution control device information, etc
4 Inspection items
4.1 See Table 1 for the environmental protection inspection items of vehicles.
