Audi A6 Owners & Service Manuals
Audi A6 Typ 4G (2011–2018) Workshop Manual / Electrical System / Communication / Sound System / Connector Assignments

Audi A6 Typ 4G: Connector Assignments

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

Digital Sound System Control Module -J525-

1 - MOST Bus

2 - 18-Pin Connector -T18-

3 - 38-Pin Connector -T38-

  Note

Unlisted connector terminals are not assigned.

A91-11697

1 - MOST Bus

1 - Output

2 - Input

A91-11851

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 - 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- (­)

A91-12003

3 - 38-Pin Connector -T38-

1 - Terminal 30

2 - Terminal 31

3 - Right rear speaker (+)

4 - Left Front Bass Speaker -R21- (+)

5 - Subwoofer -R211- (-)

6 - Not Assigned

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 -R23- (+)

13 - Left rear speaker (+)

14 - Left rear speaker (-)

15 - Right rear speaker (-)

16 - Left Front Bass Speaker -R21- (-)

17 - Subwoofer -R211- (+)

18 - Not Assigned

19 - Left Front Midrange Speaker -R103- (+)

20 - Right Front Midrange Speaker -R104- (-)

21 - Right Front Treble Speaker -R22- (+)

22 - Left Front Treble Speaker -R20- (-)

23 - Not Assigned

24 - Not Assigned

25 - Ring-break Diagnostic Cable

26 - Not Assigned

27 - Not Assigned

28 - Ground shielding from Microphone Unit In Front Roof Module -R164-, Interior Microphone -R74-

29 - Microphone Unit in Front Roof Module -R164-, Interior Microphone -R74- (-)

30 - Microphone Unit in Front Roof Module -R164-, Interior Microphone -R74- (+)

31 - Center Speaker -R208- (+)

32 - Center Speaker -R208- (-)

33 - Left Effects Speaker -R209- (-)

34 - Left Effects Speaker -R209- (+)

35 - Not Assigned

36 - Not Assigned

37 - Right Effects Speaker -R210- (+)

38 - Right Effects Speaker -R210- (-)

A91-12114

Digital Sound System Control Module -J525-, Bang & Olufsen, through MY 2014

Digital Sound System Control Module -J525-

1 - MOST Bus

2 - 32-Pin Connector -T32e-

3 - 38-Pin Connector -T38-

  Note

Unlisted connector terminals are not assigned.

A91-11703

1 - MOST Bus

1 - Output

2 - Input

A91-11851

2 - 32-Pin Connector -T32e-

1 - Digital Sound System Control Module 2 -J787-

2 - Digital Sound System Control Module 2 -J787-

3 - Digital Sound System Control Module 2 -J787-

4 - Digital Sound System Control Module 2 -J787-

5 - Digital Sound System Control Module 2 -J787-

6 - Left Center Microphone -R142- (+)

7 - Right Center Microphone -R143- (+)

8 - Left Rear Microphone -R144- (+)

9 - Microphone Unit in Front Roof Module -R164-, Interior Microphone -R74- (+)

10 - Right Rear Microphone -R145- (+)

11 - Ground Shielding

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

13 - Not Assigned

14 - Digital Sound System Control Module 2 -J787-

15 - Not Assigned

16 - Digital Sound System Control Module 2 -J787-

17 - Digital Sound System Control Module 2 -J787-

18 - Digital Sound System Control Module 2 -J787-

19 - Digital Sound System Control Module 2 -J787-

20 - Digital Sound System Control Module 2 -J787-

21 - Digital Sound System Control Module 2 -J787-

22 - Left Center Microphone -R142- (­)

23 - Right Center Microphone -R143- (-)

24 - Left Rear Microphone -R144- (-)

25 - Microphone Unit in Front Roof Module -R164-, Interior Microphone -R74- (-)

26 - Right Rear Microphone -R145- (-)

27 - Not Assigned

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

29 - Ring-break Diagnostic Cable

30 - Digital Sound System Control Module 2 -J787-

31 - Not Assigned

32 - Digital Sound System Control Module 2 -J787-

A91-12113

3 - 38-Pin Connector -T38-

1 - Terminal 30

2 - Terminal 31

5 - Left Front Midrange Speaker -R103- (+)

6 - Right Front Midrange Speaker -R104- (+)

7 - Center Speaker -R208- (+)

8 - Center Speaker 2 -R219- (+)

9 - Left Effects Speaker -R209- (+)

10 - Right Effects Speaker -R210- (+)

17 - Left Front Midrange Speaker -R103- (-)

18 - Right Front Midrange Speaker -R104- (-)

19 - Center Speaker -R208- (-)

20 - Center Speaker 2 -R219- (-)

21 - Left Effects Speaker -R209- (-)

22 - Right Effects Speaker -R210- (-)

23 - Left Front Treble Speaker -R20- (+)

24 - Right Front Treble Speaker -R22- (+)

25 - Left Rear Treble Speaker -R14- (+)

26 - Right Rear Treble Speaker -R16- (+)

31 - Left Front Treble Speaker -R20- (-)

32 - Right Front Treble Speaker -R22- (-)

33 - Left Rear Treble Speaker -R14- (-)

34 - Right Rear Treble Speaker -R16- (-)

A91-12114

Digital Sound System Control Module 2 -J787-, Bang & Olufsen, through MY 2014

Digital Sound System Control Module 2 -J787-

1 - 32-Pin Connector -T32f-

  Note

Unlisted connector terminals are not assigned.

A91-11704

1 - 32-Pin Connector -T32f-

1 - Terminal 30

2 - Terminal 31

3 - Right Front Bass Speaker -R23- (+)

4 - Right Front Bass Speaker -R23- (-)

5 - Left Front Bass Speaker -R21- (+)

6 - Left Front Treble Speaker Motor -V344- (-)

7 - Left Front Treble Speaker Motor -V344-

8 - Digital Sound System Control Module -J525-

9 - Digital Sound System Control Module -J525-

10 - Digital Sound System Control Module -J525-

11 - Digital Sound System Control Module -J525-

12 - Digital Sound System Control Module -J525-

13 - Digital Sound System Control Module -J525-

14 - Digital Sound System Control Module -J525-

15 - Subwoofer -R211- (+)

16 - Subwoofer -R211- (-)

17 - Left Front Bass Speaker -R21- (-)

18 - Left Front Treble Speaker Motor -V344- (+)

19 - Right Front Treble Speaker Motor -V345-

20 - Digital Sound System Control Module -J525-

21 - Right Front Treble Speaker Motor -V345- (+)

22 - Right Front Treble Speaker Motor -V345- (-)

23 - Digital Sound System Control Module -J525-

24 - Digital Sound System Control Module -J525-

25 - Digital Sound System Control Module -J525-

26 - Digital Sound System Control Module -J525-

27 - Digital Sound System Control Module -J525-

28 - Right Rear Mid-Bass Speaker -R160- (+)

29 - Right Rear Mid-Bass Speaker -R160- (-)

30 - Digital Sound System Control Module -J525-

31 - Left Rear Mid-Bass Speaker -R159- (+)

32 - Left Rear Mid-Bass Speaker -R159- (-)

A91-10424

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