Digital Audio System Control Unit "J525"
A. Multi-pin plug connection, 18-pin (T18b).
B. Multi-pin plug connection, 32-pin (T32h).
A. Multi-pin plug connection, 18-pin (T18b)
1. Microphone input 1 (+) from the microphone unit in the front, roof module "R164" (internal microphone "R74").
2. Microphone input 1 (screen weight) from the microphone unit in front, roof module "R164" (internal microphone "R74").
4. Rear right signal (+) from the radio "R".
5. Rear left signal (+) from the radio "R".
6. Front right signal (+) from radio "R".
7. Front left signal (+) from the radio "R".
9. CAN-Infotainment High.
10. Microphone input 1 (-) from the microphone unit in the front, roof module "R164" (internal microphone "R74").
13. Signal rear right (-) from radio "R".
14. Rear left signal (-) from radio "R".
15. Front right signal (-) from radio "R".
16. Front left signal (-) from radio "R".
18. CAN-Infotainment Low.
B. Multi-pin plug connection, 32-pin (T32h)
1. Terminal 30.
2. Terminal 31.
3. (+) rear left speaker.
4. (+) rear right speaker.
5. Central mid-high frequency speaker "R158" (+).
6. (+) front left speaker.
7. (+) right speaker terminal.
8. (+) rear left midrange speaker "R105".
9. (+) rear right midrange speaker "R106".
10. Front right low-frequency speaker "R23" (+).
15. (-) rear left speaker.
16. (-) rear right speaker.
17. Central mid-high frequency speaker "R158" (-).
18. (-) left speaker per.
19. (-) right speaker per.
20. (-) rear left midrange speaker "R105".
21. (-) rear right midrange speaker "R106".
22. Front right low-frequency speaker "R23" (-).
23. Front left low-frequency speaker "R21" (+).
25. Subwoofer in the rear. shelf "R157" (+).
28. Front left low-frequency speaker "R21" (-).
30. Subwoofer in the rear. shelf "R157" (-).