Autel Intelligent Technology Corp., Ltd.

Zhibin Peng

Songsong Qu

The present invention provides an OBD interface bus type detection method and apparatus. The method includes: determining a first bus feature of a connection cable associated with a selected pin in an on-board diagnostics OBD interface; matching the first bus feature with an OBD interface bus library and determining a bus type of the connection cable associated with the selected pin; determining, according to the bus type of the connection cable associated with the selected pin, a second bus feature of the connection cable associated with the selected pin; and sending the second bus feature to a vehicle diagnostic instrument, to enable the vehicle diagnostic instrument to perform communications protocol scanning on the selected pin in the OBD interface according to the second bus feature. According to the present invention, a communications protocol meeting the second bus feature may be directly used by the vehicle diagnostic instrument to perform diagnostic scanning on the selected pin, thereby reducing scanning interference for different bus types.

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Guangdong, China

Zhibin Peng