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/IW5, the Left Front Microphone -R140- is connected to the Data Bus on Board Diagnostic Interface -J533- /Control Module for Emergency Call Module and Communication Unit -J949- and is >>looped through<< to the Information Electronics Control Module 1 -J794- (through MY 2018 and from MY 2019 without connect PLUS, IV0).
For IW1/IW3/IW5, 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- (from MY 2019 with connect PLUS, IV1 through IV8). For IW1, the Right Front Microphone -R141- is also 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-.
- Front Roof Module -WX3-
- Removing and installing. Refer to FRONT INTERIOR LAMP/READING LAMP, REMOVING AND INSTALLING .
- 4-Pin Connector -T4ck-
- Black
- Interior Microphone -R74-
- Removing and Installing. Refer to Microphone Unit in Front Roof Module -R164-, REMOVING AND INSTALLING .
- Left Front Microphone -R140-
- Removing and Installing. Refer to Microphone Unit in Front Roof Module -R164-, REMOVING AND INSTALLING .
- Right Front Microphone -R141-
- Removing and Installing. Refer to Microphone Unit in Front Roof Module -R164-, REMOVING AND INSTALLING .
Microphone Unit in Front Roof Module -R164-, Removing and Installing. Refer to Microphone Unit in Front Roof Module -R164-, REMOVING AND INSTALLING .