General Information

Telematics Unit
B2860 Microphone Fail - General Information

Component Location





General Description

User can speak to an operator through the MIC which is switched to TMU by pushing room-mirror 3 buttons.
- MIC to be used for VR/IVR/Call with operator/BT Call
- MIC is connected with headunit through TMU (MIC OUT+/MIC OUT-) which is switched per function.

DTC Description

The TMU sets B2860 when Mic is not physically connected and/or microhpne itself failed.

DTC Detecting Condition





Diagnostic Circuit Diagram