What is OBD
OBD as an acronym, its full name is On Board Diagnostics Chinese meaning: vehicle automatic diagnostic system. This system can monitor the working condition of the engine electronic control system and other functional modules of the vehicle in real time during the operation of the car. If any abnormality is found, it will judge the specific fault according to the specific algorithm. And in the form of diagnostic trouble codes stored in the system memory.
The useful information obtained after the self-diagnosis of the system can provide help for the repair and maintenance of the vehicle. Maintenance personnel can use the car factory special instrument to read the fault code, so that the fault can be quickly located, in order to facilitate the repair of the vehicle and reduce the