Instrument Cluster Multi-Pin Connector Contact Assignment

Gray 32-pin connector -A-

Fig 1: Identifying MOST Bus Connection

Courtesy of AUDI OF AMERICA, LLC

1. Diagnostics for Data Bus On Board Diagnostic Interface -J533-
2. CAN Bus Shield
3. CAN Bus Instrument Cluster High
4. CAN Bus instrument cluster Low
5. Sensor Ground for All Fuel Level Sensors
6. Fuel Level Sensor -G-
7. Fuel Level Sensor -G-
8. Instrument Cluster Operation Button -E493-
9. Fuel Level Sensor 2 -G169-
10. Fuel Level Sensor 2 -G169-
11. Fuel Level Sensor 3 -G237-
12. Fuel Level Sensor 3 -G237-
13. Not Assigned
14. Not Assigned
15. Not Assigned
16. Not Assigned
17. Analog Clock -Y-
18. Video Shield - Preparation Work
19. Night Vision System Control Module -J853- "-"
20. Night Vision System Control Module -J853- "+"
21. Video Shield - Preparation Work
22. Not Assigned
23. Radio Frequency Controlled Clock 5 V - Preparation Work
24. Radio Frequency Controlled Clock Signal - Preparation Work
25. Not Assigned
26. Not Assigned
27. Not Assigned
28. Not Assigned
29. Terminal 31
30. Terminal 31
31. Terminal 30
32. Terminal 30

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

Fig 2: Identifying MOST Bus Connection

Courtesy of AUDI OF AMERICA, LLC

1. MOST bus input
2. MOST bus output