audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Removing and installing digital sound package control unit > < Microphone unit in front roof moduleR164 - overview

A1

Pin assignment for BOSE sound system (MMI)
Pin assignment for BOSE sound system (MMI)
   
Digital sound package control unit -J525-
1 - MOST bus
2 - Not used
3 - Multi-pin connector, 38-pin (T38)
  Note
Contacts which are not listed are not used.
  A91-11964
1 - MOST bus
1 - Input
2 - Output
  A91-11851
2 - Multi-pin connector, 38-pin (T38)
1 - Terminal 30
2 - Terminal 31
3 - Front right bass loudspeaker -R23- (+)
4 - Front left bass loudspeaker -R21- (–)
5 - Subwoofer -R211- (–)
7 - Front left loudspeaker (–)
8 - Front right loudspeaker (+)
9 - Rear left loudspeaker (–)
10 - Right effect loudspeaker -R210- (+)
15 - Front right bass loudspeaker -R23- (–)
16 - Front left bass loudspeaker -R21- (+)
17 - Subwoofer -R211- (+)
19 - Front left loudspeaker (+)
20 - Front right loudspeaker (–)
21 - Rear left loudspeaker (+)
22 - Right effect loudspeaker -R210- (–)
25 - Open circuit diagnostic lead
28 - Microphone input (screen earth) from microphone unit in front roof module -R164- (internal microphone -R74-)
29 - Microphone input (–) from microphone unit in front roof module -R164- (internal microphone -R74-)
30 - Microphone input (+) from microphone unit in front roof module -R164- (internal microphone -R74-)
31 - Centre loudspeaker -R208- (+)
32 - Centre loudspeaker -R208- (–)
33 - Left effect loudspeaker -R209- (–)
34 - Left effect loudspeaker -R209- (+)
37 - Rear right loudspeaker (+)
38 - Rear right loudspeaker (–)
  A91-11569

Removing and installing digital sound package control unit > < Microphone unit in front roof moduleR164 - overview