Audi A4 Owners & Service Manuals

Audi A4: Component Location Overview - Telephone System

Audi A4 (B9) 2016-2024 Service Manual / Electrical System / Communication / Telephone System / Component Location Overview - Telephone System

Component Location Overview - Telephone System

1 - Center Console Storage Compartment

  • Removing and installing. Refer to → Body Interior; Rep. Gr.68; Center Console; Overview - Center Console.

2 - Telephone Baseplate -R126-

  • Removing and installing. Refer to → Chapter "Telephone Baseplate -R126-, Removing and Installing".

3 - Bracket

  • Nut tightening specification: 3 Nm

4 - Cellular Telephone Amplifier -R86-

  • Connector assignment. Refer to → Wiring diagrams, Troubleshooting & Component locations.
  • Removing and installing. Refer to → Chapter "Cellular Telephone Amplifier -R86-, Removing and Installing".

5 - Front Interior Lamp -W1-

  • Removing and installing. Refer to → Electrical Equipment; Rep. Gr.96; Controls; Front Interior/Reading Lamp, Removing and Installing.

6 - Right Front Microphone -R141-

  • 4-Pin Connector -T4-, black
  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

7 - 4-Pin Connector -T4dc-, Black

8 - Interior Microphone -R74-

  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

9 - Left Front Microphone -R140-

  • 4-Pin Connector -T4-, red
  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

10 - Information Electronics Control Module 1 -J794-

  • Connector assignment. Refer to → Wiring diagrams, Troubleshooting & Component locations.
  • Removing and installing. Refer to → Chapter "Information Electronics Control Module 1 -J794-, Removing and Installing".

Overview - Microphone Unit

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-.

For IW3 the Left Front Microphone -R140- is connected with the Data Bus on Board Diagnostic Interface -J533- and for 9ZE are "looped through" on the Information Electronics Control Module 1 -J794-.

Overview - Microphone Unit

1 - Front Interior Lamp -W1-

  • Removing and installing. Refer to → Electrical Equipment; Rep. Gr.96; Controls; Front Interior/Reading Lamp, Removing and Installing.

2 - 4-Pin Connector -T4dc-, Black

3 - Interior Microphone -R74-

  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

4 - Right Front Microphone -R141-

  • 4-Pin Connector -T4-, black
  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

5 - Left Front Microphone -R140-

  • 4-Pin Connector -T4-, red
  • Removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

Microphone Unit in Front Roof Module -R164-, removing and installing. Refer to → Chapter "Microphone Unit in Front Roof Module -R164-, Removing and Installing".

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     Microphone Unit in Front Roof Module -R164-, Removing and Installing

    The Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1- is comprised of the Interior Microphone -R74-, the Left Front Microphone -R140- and the Right Front Microphone -R141-

     Navigation System

     Overview - Navigation System

    Overview - Navigation System, MMI Navigation, 7UF 7UF - Navigation Information Electronics Control Module 1 -J794- with integrated CD player/SD memory card reader/navigation system in the glove comp

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