Data Bus On Board Diagnostic Interface -J533-, CONNECTORS

32-pin connector -A- 

Fig 1: Data Bus On Board Diagnostic Interface 32-Pin Connector With Connector Terminal Identification

Courtesy of AUDI OF AMERICA, LLC

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 "-" (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 "-" (terminal 31)
30. Instrument cluster prompt wire
31. Not Assigned
32. MOST ring break diagnosis

Optical MOST-Bus connection (fiber optic) -B-

Fig 2: Data Bus On Board Diagnostic Interface 32-Pin Connector With Connector Terminal Identification

Courtesy of AUDI OF AMERICA, LLC

1. MOST bus input
2. MOST bus output