Fault-Tracing Information

Fault-tracing information

Condition




The inbuilt diagnostic functions in the audio unit can be used to check the voice messaging for GPS navigation.

Substitute value
- None.

Possible source
- Contact resistance or oxidation in the connectors
- Open-circuit, short-circuit to ground or voltage in loudspeaker cable
- Defective loudspeaker
- Defective audio unit.

Fault symptom[s]
- No voice message.