Sound System Component Overviews

BOSE(R) Sound System and Digital Sound System Control Module (J525) Connectors

Digital Sound System Control Module (J525)





1. MOST bus (T2co)

2. 18-pin connector (T18)

3. 38 pin connector (T38)


• Unlisted connector terminals are not used.

1 - MOST Bus (T2co)





1. Input

2. Output


2 - 18-pin connector (T18)





6 Left Rear Microphone (R144) (+)
7 Left Rear Microphone (R144) (-)
8 Right rear microphone (R145) (+)
9 Right rear microphone (R145) (-)
10 Engine Control Module (J623) (+) RPM Signal
11 Engine Control Module (J623) (-) RPM Signal
13 Right Center Microphone (R143) (+)
14 Right Center Microphone (R143) (-)
16 Left Center Microphone (R142) (+)
17 Left Center Microphone (R142) (-)

3 - 38 Pin Connector (T38)





1 Terminal 30
2 Terminal 31
3 Speaker (+) rear right
4 Left front bass speaker (R21) (+)
5 Subwoofer (R211) (-)
7 Left front midrange speaker (R103) (-)
8 Right front midrange speaker (R104) (+)
9 Right front treble speaker (R22) (-)
10 Left front treble speaker (R20) (+)
11 Right front bass speaker (R23) (-)
12 Right front bass speaker (+)
13 Speaker (+) rear left
14 Speaker (-) rear left
15 Speaker (-) rear right
16 Left front bass speaker (-)
17 Subwoofer (+)
19 Left front midrange speaker (+)
20 Right front midrange speaker (-)
21 Right front treble speaker (+)
22 Left front treble speaker (-)
25 Ring break diagnostic cable
28 Microphone unit in front roof module (R164) ( interior microphone (R74) ) ground shielding
29 Microphone unit in front roof module (interior microphone) (-)
30 Microphone unit in front roof module (interior microphone) (+)
31 Center speaker (R208) (+)
32 Center speaker (-)
33 Left effects speaker (R209) (-)
34 Left effects speaker (+)
37 Right effects speaker (R210) (+)
38 Right effects speaker (-)