The OBD system can not only be used for fault diagnosis, but also for emission system monitoring, real-time data acquisition of vehicles, etc., such as:
(1)Monitor vehicle exhaust emission levels to ensure compliance with emission standards.
(2)Real-time monitoring of vehicle running status, timely detection of hidden trouble.
OBD interface connection mode:
(1)In the traditional wired connection mode, the OBD port is connected to the diagnostic device through physical cables.
(2)With the development of wireless technology, Bluetooth wireless adapters have also appeared to achieve connectivity functions.
