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Overview - Microphone Unit

The Microphone Unit In Front Roof Module -R164- is installed in the Front Interior Lamp -W1-. Up to three microphones may be installed, depending on the equipment.

One microphone (Interior Microphone -R74-) is connected directly to the Digital Sound System Control Module -J525-. The other microphone (Telephone Microphone -R38-) is connected to the Information Electronics Control Module 1 -J794-.

For NZ3, the Telephone Microphone -R38- is connected to the Control Module for Emergency Call Module and Communication Unit -J949- and is >>looped through<< to the Information Electronics Control Module 1 -J794-.

The Microphone Unit in Front Roof Module -R164- located in the Front Interior Lamp -W1- can be replaced only as a complete unit. It is not possible to replace individual microphones (Interior Microphone -R74- or Telephone Microphone -R38-).

Fig 1: Component Location - Microphone Unit
GWWA91-11604Courtesy of AUDI OF AMERICA, LLC
  1. Front Interior Lamp -W1-
  2. 4-Pin Connector -T4t-
  3. Interior Microphone -R74-, Black to the Digital Sound System Control Module -J525-
  4. Telephone Microphone -R38-, gray, for NZ0 to the Control Unit For electronic Information 1 -J794- ; for NZ3 to the Control Module for Emergency Call Module and Communication Unit -J949-
Fig 2: Microphone Unit In Front Roof Module -R164-, Convertible
GWWA91-12276Courtesy of AUDI OF AMERICA, LLC
  1. 4-Pin Connector -T4t-
  2. Telephone Microphone -R38-, gray to the Information Electronics Control Module 1 -J794-, MMI
  3. Interior Microphone -R74-, Black to the Digital Sound System Control Module -J525-
Fig 3: Microphone Unit In Front Roof Module -R164-
GWWA91-10674Courtesy of AUDI OF AMERICA, LLC

1  - 4-Pin Connector -T4t-

  1. Microphone 1, Telephone Microphone -R38- to the Information Electronics Control Module 1 -J794-
  2. Microphone 1, Telephone Microphone -R38- to the Information Electronics Control Module 1 -J794-
  3. Microphone 2, Interior Microphone -R74- to the Digital Sound System Control Module -J525-
  4. Microphone 2, Interior Microphone -R74- to the Digital Sound System Control Module -J525-

2  - Microphone 1, Telephone Microphone -R38-

3  - Microphone 2, Interior Microphone -R74-

MICROPHONE UNIT IN FRONT ROOF MODULE -R164-, REMOVING AND INSTALLING. Refer to MICROPHONE UNIT IN FRONT ROOF MODULE -R164-, REMOVING AND INSTALLING .

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