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Home >> Audi >> 2012 >> A4 2.0T >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Communication (AVANT)) >> 91 Communication >> Description And Operation >> Telephone System And Component Overviews >> Microphone Unit In Front Roof Module -R164-, Through 10.31.2008

Microphone Unit In Front Roof Module -R164-, Through 10.31.2008

WARNING: This page is about a different variant/trim than selected.

One microphone (telephone microphone -R38-) is connected directly with the telephone transceiver -R36-. The other microphones are connected to the digital sound system control module -J525- (from Standard MMI).

Fig 1: Identifying Microphone Unit (In Front Roof Module) R164 From MY07
GWWA91-10479Courtesy of AUDI OF AMERICA, LLC
  1. Microphone (blue) for the Telephone Transceiver -R36- (left-hand drive)/Digital Sound System Control Module -J525- (right-hand drive)
  2. Radar Interior Monitoring Control Module 1 -G303-
  3. Microphone (black) for the Digital Sound System Control Module -J525-
  4. Inside microphone -R74- (black) to the digital sound system control module -J525- (from the standard sound system)
  5. 6-pin multi-pin connector (T6c)
Fig 2: Identifying Multi-Pin Connector Assignments
GWWA91-10507Courtesy of AUDI OF AMERICA, LLC
  1. Telephone Microphone -R38- (black):
  2. 6-pin connector (T6c), pins 1 and 2: telephone microphone -R38- (black), pins 3 and 4: interior microphone -R74- (black), pins 5 and 6: speech recognition system microphone -R206- (blue)
  3. Inside microphone -R74- (black)
  4. Voice Control Microphone -R206- (blue)

Microphone Unit in Front Roof Module -R164-, removing and installing, refer to MICROPHONE UNIT IN FRONT ROOF MODULE -R164- .