Microphone Unit in Front Roof Module -R164- OVERVIEW FROM JUNE 2009

The Microphone Unit (In Front Roof Module) -R164- in installed in the Front Interior Light -W1-. Depending on the equipment, there are up to three microphones installed.

One microphone (Inside Microphone -R74-) is connected directly to the Digital Sound System Control Module -J525-. The other microphones are connected to the Information Electronics Control Module 1 -J794-.

Fig 1: Identifying Microphone Unit (In Front Roof Module) R164 From MY07

Courtesy of AUDI OF AMERICA, LLC

1. Information Electronics Control Module 1 -J794- microphone (blue)
2. Interior Monitoring Transceiver Module 1 -G303-
3. Microphone(black) to the information electronics control module 1 -J794-
4. Inside microphone -R74- (black) for the digital sound system control module -J525-
5. Blue 6-pin connector (T6ao)

Fig 2: Identifying Multi-Pin Connector Assignments

Courtesy of AUDI OF AMERICA, LLC

LHD vehicle:

1. Left Front Microphone -R140- (black)
2. Connector, 6-pin (T6c) blue, pins 1 and 2: Left Front Microphone -R140- (black), pins 3 and 4: Inside Microphone -R74- (black), pins 5 and 6:Right Front Microphone -R141- (blue)
3. Inside Microphone -R74- (black)
4. Right Front Microphone -R141- (blue)

RHD vehicle:

1. Right Front Microphone -R141- (blue)
2. Connector, 6-pin (T6c) blue, pins 1 and 2: Right Front Microphone -R141- (blue), pins 3 and 4: Interior Microphone -R74- (black), pins 5 and 6:Left Front Microphone -R140- (black)
3. Inside Microphone -R74- (black)
4. Left Front Microphone -R140- (black)

Microphone Unit in Front Roof Module -R164-, Removing and Installing. Refer to MICROPHONE UNIT IN FRONT ROOF MODULE FROM MY 07 .