Information Bus

Data Bus On Board Diagnostic Interface (J533) Connector Assignments

Optical MOST Bus Connection (Fiber Optic) - item A -






1. Input

2. Output


20 Pin Connector - item B -






1. Battery + (terminal 30)

2. LIN 1

3. Shielding (ACC rel.)

4. Shielding (ELV)

5. CAN-Bus Low (comfort)

6. CAN-Bus Low (powertrain)

7. CAN Bus low (extended)

8. CAN-Bus Low (instrument cluster)

9. CAN-Bus Low (diagnostic)

10. Shielding (Most diagnosis)

11. Ground - (terminal 31)

12. LIN 2

13. Instrument cluster wake-up

14. Terminal 15

15. CAN-Bus High (comfort)

16. CAN-Bus High (powertrain)

17. CAN Bus high (extended)

18. CAN-Bus High (instrument cluster)

19. CAN-Bus High (diagnostic)

20. Shielding