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 with the Information Electronics Control Module 1 -J794-.
The Microphone Unit In Front Roof Module -R164- located in the Front Interior Lamp -W1- can only be replaced as a complete unit. It is not possible to replace individual microphones (Interior Microphone -R74- or Telephone Microphone -R38-).
Microphone Unit in Front Roof Module -R164-
1 - Front Interior Lamp -W1-
2 - 4-Pin Connector -T4bg-
3 - Interior Microphone -R74-, Black to the Digital Sound System Control Module -J525-
4 - Telephone Microphone -R38-, gray to the Information Electronics Control Module 1 -J794-, MMI
Microphone Unit in Front Roof Module -R164-, 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
The Microphone Unit In Front Roof Module -R164- located in the Front Interior Lamp -W1- can only be replaced as a complete unit. It is not possible to replace individual microphones (Interior Microphone -R74- or Telephone Microphone -R38-).
Removing
- Turn off the ignition and all electrical equipment and remove the ignition key.
- Remove the Front Interior Lamp -W1-. Refer to → Electrical Equipment; Rep. Gr.96; Lamps; Roof Trim Panel Lamps Component Location Overview.
- Unclip and disconnect the connector -2- from the holder in the Front Interior Lamp -W1--1-.
- Pry the individual microphones -3 and 4- out of the housing for the Front Interior Lamp -W1--1-.
Installing
- Install in reverse order of removal.
Cellular Telephone Amplifier -R86-, Removing and Installing
The Cellular Telephone Amplifier -R86--2- is behind the right luggage compartment trim panel.
The Cellular Telephone Amplifier -R86--2- is locked into place in the bracket -1-.
Removing
- Turn off the ignition and all electrical equipment and remove the ignition key.
- Remove the cover from the right side of the luggage compartment.
- Press the catch on the bracket -1- in direction of -arrow- and remove the Cellular Telephone Amplifier -R86--2- from the bracket.
- Release and disconnect all the connectors from the Cellular Telephone Amplifier -R86-.
Installing
- Install in reverse order of removal.
Telephone Baseplate -R126-, Removing and Installing
The Telephone Baseplate -R126- is composed of multiple components (cover, base plate, circuit board with sockets), that must be removed.
Removing
- Turn off the ignition and all electrical equipment and remove the ignition key.
- Fold the Telephone Baseplate -R126- center console storage compartment upward.
- Unclip the bottom of the cover -1- with a small screwdriver -2--arrow-.
- Remove the bolts -arrows- from the Telephone Baseplate -R126--2- and remove the base plate -1-.
- Remove the bolts -arrows- from the Telephone Baseplate -R126--2- and remove the circuit board -1-.
- Release and disconnect the connectors -2 and 3- from the circuit board -1-.
Installing
- Install in reverse order of removal.