Information Bus

Data Bus On Board Diagnostic Interface (J533) Multi-pin Connector, Pin Assignment

32-pin Connector - A -






1. LIN bus 2

2. Extended CAN bus low

3. Diagnosis CAN bus low

4. Comfort CAN bus low

5. Powertrain CAN bus low

6. Instrument cluster CAN bus low

7. FlexRay bus ground channel 1

8. FlexRay bus ground channel 2

9. FlexRay bus ground channel 3

10. FlexRay bus ground channel 4

11. FlexRay bus ground channel 5

12. FlexRay bus ground channel 6

13. Ground (GND) "-" (terminal 31)

14. Terminal 15

15. Not assigned

16. Battery "+" (terminal 30)

17. LIN bus 1

18. Extended CAN bus high

19. Diagnosis CAN bus high

20. Comfort CAN bus high

21. Powertrain CAN bus high

22. Instrument cluster CAN bus high

23. FlexRay bus positive channel 1

24. FlexRay bus positive channel 2

25. FlexRay bus positive channel 3

26. FlexRay bus positive channel 4

27. FlexRay bus positive channel 5

28. FlexRay bus positive channel 6

29. Ground - (terminal 31)

30. Instrument cluster prompt wire

31. Not assigned

32. MOST ring break diagnosis


Optical MOST-Bus Connection (Fiber Optic) - B -






1. MOST bus input

2. MOST bus output