OBD monitoring device of multiple systems and components, including engine, catalytic converter, particle capture collector, oxygen sensor, emission control system, fuel system, GER and so on.
OBD is connected to the electronic control unit (ECU) through various kinds of information related to the emission, and ECU has the function of detecting and analyzing the related faults. When an emission fault occurs, the ECU records the failure information and the related code, and sends out the warning to the driver through the fault lamp. ECU through the standard data interface, to ensure that the fault information access and processing.