Information Bus

Data Bus On Board Diagnostic Interface (J533), Connector Assignment

Multi-pin Connector, 32-pin - A -






1. LIN bus 2

2. CAN bus Low (extended)

3. CAN bus Low (diagnosis)

4. CAN bus Low (comfort)

5. CAN bus Low (drivetrain)

6. CAN bus Low (instrument cluster)

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. CAN bus High (extended)

19. CAN bus High (diagnosis)

20. CAN bus High (comfort)

21. CAN bus High (drivetrain)

22. CAN bus High (instrument cluster)

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 (GND) "-" (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