BOSE Sound System

BOSE Sound System

Digital Sound System Control Module (J525)





A Black 32-pin connector
B MOST Bus
C Black 18-pin connector

• Unlisted connector terminals are not assigned.

A - Black 32-pin multi-pin connector





1 Terminal 30
2 Terminal 31
5 Left front bass speaker (R21) (+)
8 Positive switched to amplifier (R12)
10 Subwoofer (+) to amplifier
13 Speaker in rear shelf (R150) (-)
14 Speaker in rear shelf (+)
17 Left front bass speaker (-)
22 Subwoofer (-) to amplifier
23 Center mid-treble speaker (R158)
24 Loudspeaker, right front (+)
25 Loudspeaker, left rear (+)
26 Loudspeaker, right rear (+)
27 Loudspeaker, left front (+)
28 Center mid-treble speaker
29 Loudspeaker, right front (-)
30 Loudspeaker, left rear (-)
31 Loudspeaker, right rear (-)
32 Loudspeaker, left front (-)

B - MOST Bus





1. Input

2. Output

C - Black 18-pin connector





1 Microphone input 1 (+) from microphone unit in front roof module (R164) (interior microphone (R74))
2 Microphone 2 (+) from microphone unit in front roof module (speech recognition system microphone (R206))
5 Ring-break diagnostic wire
10 Microphone input 1 (-) from microphone unit in front roof module (interior microphone)
11 Microphone 2 (-) from microphone unit in front roof module (speech recognition system microphone)