Overview - Microphone Unit

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

One microphone (Interior 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- /Telephone Transceiver -R36-.

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

Courtesy of AUDI OF AMERICA, LLC

Microphone (blue) for the Information Electronics Control Module 1 -J794- (MMI)/Telephone Transceiver -R36- (CAN, LHD)
Interior Monitoring Transceiver Module 1 -G303-
Not applicable for North America
Interior Microphone -R74- (black) to the Digital Sound System Control Module -J525-
Blue 6-pin connector (T6c)

Fig 2: Identifying Multi-Pin Connector Assignments

Courtesy of AUDI OF AMERICA, LLC

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

Microphone Unit in Front Roof Module -R164-, removing and installing, refer to Microphone Unit in Front Roof Module -R164-, REMOVING AND INSTALLING .