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 IW1/IW3 and IV0, the Left Front Microphone -R140- is connected to the Data Bus on Board Diagnostic Interface -J533- and is >>looped through<< at the Information Electronics Control Module 1 -J794-. For IW3 and IV1 through IV8 the Left Front Microphone -R140- 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-.
For IW1, the Right Front Microphone -R141- is connected to the Data Bus on Board Diagnostic Interface -J533- and is also >>looped through<< at the Information Electronics Control Module 1 -J794-.
- Front Roof Module -WX3-
- Removing and installing. Refer to FRONT INTERIOR LAMP/READING LAMP, REMOVING AND INSTALLING .
- 4-Pin Connector -T4-
- Black
- Interior Microphone -R74-
- Removing and Installing. Refer to Interior Microphone -R74-, REMOVING AND INSTALLING .
- Left Front Microphone -R140-
- To the Data Bus on Board Diagnostic Interface -J533- for IW1/IW3
- Removing and Installing. Refer to LEFT AND RIGHT FRONT MICROPHONE -R140- / -R141-, REMOVING AND INSTALLING .
- Right Front Microphone -R141-
- To the Data Bus on Board Diagnostic Interface -J533- for IW1
- Removing and Installing. Refer to LEFT AND RIGHT FRONT MICROPHONE -R140- / -R141-, REMOVING AND INSTALLING .