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 Through My 06
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-.
A - driving direction
B - Front interior light
C - Interior microphone (gray) to the digital sound system control module (only on BOSE)
D - Microphone (blue) for the digital sound system control module
E - Microphone (black) to the telephone transceiver
F - Digital sound system control module
G - Telephone transceiver
A - Interior microphone (gray) with 2-pin connector (T2n)
B - Microphone (black)
C - Microphone (blue)
D - 4-pin connector (T4k), Pin 1-2: microphone (black), Pin 3-4: microphone (blue)
Items -B- and -C- are installed depending on equipment.
Microphone Unit in front roof module, removing and installing, refer to MICROPHONE UNIT IN FRONT ROOF MODULE THROUGH MY 06 .
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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.