The Microphone Is Out of Function

The microphone is out of function







Fault symptoms
The microphone is out of function.
Ringing up is possible, you cannot be heard but you can hear the caller.

Conditions
No trouble codes stored in the car for the current fault symptom.

Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.

Fault Diagnosis Procedure (2007;2008;2009;2010)