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Home > Knowledge > New energy commercial vehicle OBD interface, Valin, Yuancheng, Beiben, Foton, Hongyan...

New energy commercial vehicle OBD interface, Valin, Yuancheng, Beiben, Foton, Hongyan...

Author:F-Diesel Date:August 21, 2025 3:39 AM Tag:[ OBD , OBD MCU connection pins , electric vehicle OBD connector wiring , OBD connector location guide ]
This knowledge base introduces or describes the Detailed OBD pin definitions for various Tebajia system vehicle models, including Vehicle CAN (CAN1_250k) and Power CAN (CAN2_500k) high/low pin assignments, MCU connection points, and driver/passenger OBD layouts. Covers multiple wiring configurations and connector locations.

Table of contents

1、OBD pin definitions for various vehicle models

2、Driver's OBD

3、Passenger's OBD

 

1、 OBD pin definitions for various vehicle models

 

 

Tip: The definition is only applicable to the Tebajia system

 

 

Vehicle CAN (CAN1_250k) H: 6

Power CAN (CAN2_500k) H: 3

Vehicle CAN (CAN1) L: 14

Power CAN (CAN2) L: 11

Connect to MCU Vehicle CAN (CAN1_250k) H: 2

Vehicle CAN (CAN1) L: 10

 

 

Vehicle CAN (CAN1_250k) H: 1

Power CAN (CAN2_500k) H: 3

Vehicle CAN (CAN1) L: 9

Power CAN (CAN2) L: 11

Connect to MCU: Vehicle CAN (CAN1_250k) H: 3

Vehicle CAN (CAN1) L: 11

 

 

Vehicle CAN (CAN1_250k) H: 6

Power CAN (CAN2_500k) H: 2

Vehicle CAN (CAN1) L: 14

Power CAN (CAN2) L: 10

Connected to MCU: Vehicle CAN (CAN1_250k) H: 12

Vehicle CAN (CAN1) L: 13

 

 

Vehicle CAN (CAN1_250k) H: 2

Power CAN (CAN2_500k) H: 3

Vehicle CAN (CAN1) L: 10

Power CAN (CAN2) L: 11

 

 

2 Driver's OBD:

Vehicle CAN (CAN1_250k) H: 7

Vehicle CAN (CAN1_250k) L: 15

 

3  Passenger's OBD:

Power CAN (CAN2_500k) H: 6

Power CAN (CAN2_500k) L: 14

 

 

Vehicle CAN (CAN1_250K) H: 6

Vehicle CAN (CAN1) L: 14

Power CAN (CAN2_500k) H: 2

Power CAN (CAN2) L: 10