Digital Sound System Control Module -J525-, CONNECTOR OVERVIEW

Digital Sound System Control Module -J525- 

Fig 1: Digital Sound System Control Module -J525-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

A -  MOST bus

B -  18-Pin Connector

C -  32-Pin Connector

A - MOST Bus 

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Optical MOST bus fiber-optic cable, opt. 1
2. Optical MOST bus fiber-optic cable, opt. 2

18-Pin Connector 

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Microphone 1, positive
2. Microphone 1, shield
3. Not Assigned
4. Right Rear Audio (+), only RCD 550
5. Left Rear Audio (+), only RCD 550
6. Right Front Audio (+), only RCD 550
7. Left Front Audio (+), only RCD 550
8. Not Assigned
9. CAN Bus Infotainment (CAN-High), only RCD 550
10. Microphone 1, negative
11. Not Assigned
12. Not Assigned
13. Right Rear Audio (-), only RCD 550
14. Left Rear Audio (-), only RCD 550
15. Right Front Audio (-), only RCD 550
16. Left Front Audio (-), only RCD 550
17. Ground/Ring break diagnosis (CAN-Bus Ground on RCD 550, Ring break diagnosis on RNS 850)
18. CAN Bus Infotainment (CAN-Low), only RCD 550

32-Pin Connector 

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Power supply, positive, terminal 30
2. Power Supply, Negative, Terminal 31
3. Left Rear Treble Speaker, Positive
4. Right Rear Treble Speaker, Positive
5. Mid-range center speaker, positive
6. Left Front Mid-Range Speaker, Positive
7. Right Front Mid-Range Speaker, Positive
8. Left Front Treble Speaker, Positive
9. Right Front Treble Speaker, Positive
10. Right Rear Treble Speaker, Positive
11. Treble center speaker, negative
12. Treble center speaker, positive
13. Not Assigned
14. Not Assigned
15. Left Rear Treble Speaker, Negative
16. Right Rear Treble Speaker, Negative
17. Mid-range center speaker, negative
18. Left Front Mid-Range Speaker, Negative
19. Right Front Bass Speaker, Negative
20. Left Front Treble Speaker, Negative
21. Right Front Bass Speaker, Negative
22. Right Rear Treble Speaker, Negative
23. Left Rear Treble Speaker, Positive
24. Left Front Bass Speaker, Negative
25. Left Front Bass Speaker, Positive
26. Not Assigned
27. Not Assigned
28. Left Rear Bass Speaker, Negative
29. Right Front Bass Speaker, Positive
30. Right Front Bass Speaker, Negative
31. Not Assigned
32. Not Assigned