Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Microphone Unit In Front Roof Module From June 2009
The microphone unit in front roof module -R164- in installed in the front interior lamp -W1-. Depending on the equipment, there are up to three microphones installed.
One microphone (interior microphone -R74-) is connected directly to the digital sound system control module -J525-.
- Microphone (blue) to the Interior monitoring transceiver module 1 -G303-
- information electronics control module 1 -J794-
- Microphone (black) to the information electronics control module 1 -J794-
- Interior microphone (black) for the digital sound system control module (only on BOSE)
- Blue 6-pin connector (T6c)
Left-hand drive vehicles:
- Left front microphone -R140- (black)
- Connector, 6-pin (T6c) blue, pins 1 and 2: left front microphone (black), pins 3 and 4: interior microphone (black), pins 5 and 6: right front microphone (blue)
- Interior microphone (black)
- Right front microphone -R141- (blue)
Microphone unit in front roof module, removing and installing, refer to MICROPHONE UNIT IN FRONT ROOF MODULE FROM MY 07 .
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.