Connector Assignments, Standard Sound System, MMI, Through 11/03/2008

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Fig 1: Digital Sound System Control Module -J525-

Courtesy of AUDI OF AMERICA, LLC

A -

MOST bus

B -

32-Pin Connector -T32h-

NOTE:

Unlisted connector terminals are not assigned.

Fig 2: 2 - MOST Bus

Courtesy of AUDI OF AMERICA, LLC

Input
Output

Fig 3: B - Black 32-Pin Connector (T32h)

Courtesy of AUDI OF AMERICA, LLC

1 -

Terminal 30

2 -

Terminal 31

3 -

Subwoofer in Rear Shelf -R157- (+)

4 -

Left Front Speaker (+)

5 -

Right Front Speaker (-)

6 -

Left Rear Speaker (+)

7 -

Right Rear Speaker (+)

8 -

Center Mid-Treble Speaker -R158- (+)

15 -

Subwoofer in Rear Shelf -R157- (-)

16 -

Left Front Speaker (+)

17 -

Right Front Speaker (-)

18 -

Left Rear Speaker (-)

19 -

Right Rear Speaker (-)

20 -

Center Mid-Treble Speaker -R158- (-)

23 -

Microphone 1 (+) from Microphone Unit in Front Roof Module -R164- (Speech Recognition System Microphone -R206-)

24 -

Left LF-In from the External Audio Source Connection -R199-

25 -

LF (+) from the cell phone preparation/Japan Nav

26 -

Right LF-In from the External Audio Source Connection -R199-

27 -

Ring-break Diagnostic Cable

28 -

Microphone 1 (-) from Microphone Unit in Front Roof Module -R164- (Speech Recognition System Microphone -R206-)

29 -

Left LF-In ground from the External Audio Source Connection -R199-

30 -

LF (-) from the cell phone preparation/Japan Nav

31 -

Right LF-In ground from the External Audio Source Connection -R199-