Sound System Connector Assignments, Bang & OLUFSEN, Can
Digital Sound System Control Module J525
A - 18-Pin Connector (T18b)
B - 32-Pin Connector (T32h)
Unlisted Connector Terminals Are Not Assigned.
A - 18-Pin Connector (T18b)
1 - Microphone input 1 (+) from Microphone Unit In Front Roof Module -R164- (Interior Microphone -R74-)
2 - Microphone input 1 (Ground Shielding) from Microphone Unit In Front Roof Module -R164- (Interior Microphone -R74-)
4 - Right Rear Signal (+) from Radio -R-
5 - Left Rear Signal (+) from Radio -R-
6 - Right Front Signal (+) from Radio -R-
7 - Left Front Signal (+) from Radio -R-
9 - CAB Bus high (Infotainment)
10 - Microphone input 1 (-) from Microphone Unit In Front Roof Module -R164- (Interior Microphone -R74-)
13 - Right Rear Signal (-) from Radio -R-
14 - Left Rear Signal (-) from Radio -R-
15 - Right Front Signal (-) from Radio -R-
16 - Left Front Signal (-) from Radio -R-
18 - CAB Bus low (Infotainment)
B - 32-Pin Connector (T32h)
1 - Terminal 30
2 - Terminal 31
3 - Left rear speaker (+)
4 - Right rear speaker (+)
5 - Center Mid-Treble Speaker -R158- (+)
6 - Left front speaker (+)
7 - Right front speaker (+)
8 - Left Rear Midrange Speaker -R105- (+)
9 - Right Rear Midrange Speaker -R106- (+)
10 - Right Front Bass Speaker -R23- (+)
15 - Left rear speaker (-)
16 - Right rear speaker (-)
17 - Center Mid-Treble Speaker -R158- (-)
18 - Left front speaker (-)
19 - Right front speaker (-)
20 - Left Rear Midrange Speaker -R105- (-)
21 - Right Rear Midrange Speaker -R106- (-)
22 - Right Front Bass Speaker -R23- (-)
23 - Left Front Bass Speaker -R21- (+)
25 - Subwoofer in Rear Shelf -R157- (+)
28 - Left Front Bass Speaker -R21- (-)
30 - Subwoofer in Rear Shelf -R157- (-)