Digital Sound System Control Module -J525-, BOSE, THROUGH MY 2014

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Fig 1: Identifying Digital Sound System Control Module -J525-

Courtesy of AUDI OF AMERICA, LLC

MOST Bus
18-Pin Connector -T18-
38-Pin Connector -T38-

NOTE:

Unlisted connector terminals are not assigned.

Fig 2: 2 - MOST Bus

Courtesy of AUDI OF AMERICA, LLC

Output
Input

Fig 3: 2 - 18-pin connector (T18)

Courtesy of AUDI OF AMERICA, LLC

6 - Left Rear Microphone -R144- (+)

7 - Left Rear Microphone -R144- (-)

8 - Right Rear Microphone -R145- (+)

9 - Right Rear Microphone -R145- (-)

10 - Speed signal from Engine Control Module -J623- (+)

11 - Speed signal from Engine Control Module -J623- (-)

13 - Right Center Microphone -R143- (+)

14 - Right Center Microphone -R143- (-)

16 - Left Center Microphone -R142- (+)

17 - Left Center Microphone -R142- (-)

Fig 4: 3 - 38-Pin Connector -T38-

Courtesy of AUDI OF AMERICA, LLC

Terminal 30
Terminal 31
Right rear speaker (+)
Left Front Bass Speaker -R21- (+)
Subwoofer -R211- (-)
Not Assigned
Left Front Midrange Speaker -R103- (-)
Right Front Midrange Speaker -R104- (+)
Right Front Treble Speaker -R22- (-)
Left Front Treble Speaker -R20- (+)
Right Front Bass Speaker -R23- (-)
Right Front Bass Speaker -R23- (+)
Left rear speaker (+)
Left rear speaker (-)
Right rear speaker (-)
Left Front Bass Speaker -R21- (-)
Subwoofer -R211- (+)
Not Assigned
Left Front Midrange Speaker -R103- (+)
Right Front Midrange Speaker -R104- (-)
Right Front Treble Speaker -R22- (+)
Left Front Treble Speaker -R20- (-)
Not Assigned
Not Assigned
Ring-break Diagnostic Cable
Not Assigned
Not Assigned
Ground shielding from Microphone Unit In Front Roof Module -R164-, Interior Microphone -R74-
Microphone Unit in Front Roof Module -R164-, Interior Microphone -R74- (-)
Microphone Unit in Front Roof Module -R164-, Interior Microphone -R74- (+)
Center Speaker -R208- (+)
Center Speaker -R208- (-)
Left Effects Speaker -R209- (-)
Left Effects Speaker -R209- (+)
Not Assigned
Not Assigned
Right Effects Speaker -R210- (+)
Right Effects Speaker -R210- (-)