Fault-Tracing Information

Fault-tracing information

Condition
No DTCs stored.

Possible source
- Open-circuit in the wiring (HF+, HF-) between the hands-free speaker and the car-phone module
- Short-circuit to supply voltage in the wiring (ground) between the hands-free microphone and the car-phone module
- Defective hands-free loudspeaker
- Defective hands-free microphone.

Fault symptom[s]
- Hands-free mode does not function.