What is OBD & OBDII/2 ?
WHAT IS OBD ?
OBD stands for ON-BOARD-DIAGNOSTICS.It is a system to monitor the car's exhaust gas emissions at any time from its operating condition. Once it exceeds the limit, it will immediately issue a warning. That's the first purpose when this system was developed. Later on, the system was developed more deelpy. The car makes want to make the diagnostics and after-sale more easily. the OBD was added with fault code storage. According to the fault code, maintenance personnel can quickly and accurately determine the nature and location of the fault.