Overview - Microphone Unit

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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-.

Fig 1: Microphone Unit in Front Roof Module

Courtesy of AUDI OF AMERICA, LLC

Front Interior Lamp -W1-
6-Pin Connector -T6k-
Microphone (blue) to Information Electronics Control Module 1 -J794-
Microphone (black) to Digital Sound System Control Module -J525-
Microphone (gray) to Information Electronics Control Module 1 -J794-

Fig 2: Identifying Multi-Pin Connector Assignments

Courtesy of AUDI OF AMERICA, LLC

Left Front Microphone -R140- (gray)
6-Pin Connector -T6k-, Pin 1-2: Left Front Microphone -R140- (gray), 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 .