This standard specifies the exhaust pollutant emission limits and measurement methods for the WHTC operating condition method of diesel engines for urban vehicles. This standard is applicable to the type approval, production consistency inspection and in-use compliance inspection of urban vehicles with a total mass greater than 3500 kg and the diesel engines they are equipped with.
HJ 689-2014 Referenced Document
GB 17691-2005 Limits and measurement methods for exhaust pollutants from compression ignition and gas fuelled positive ignition engines of vehicles (Ⅲ,Ⅳ,Ⅴ)
HJ 437-2008 Technical specification for on - board diagnostic (OBD) system of compression ignition and gas fuelled positive ignition engines of vehicles
HJ 438-2008 Durability of emission control systems of compression ignition and gas fuelled positive ignition engines of vehicles
HJ 439-2008 In-service conformity of compression ignition and gas fuelled positive ignition engines of vehicles
HJ 689-2014 history
2014HJ 689-2014 Limits and measurement methods for exhaust pollutants from diesel engines of urban vehicles (WHTC)