With Navigation

U190C AUDIOPILOT MICROPHONE

DTC Logic








Diagnosis Procedure


1. CHECK CONTINUITY BETWEEN BOSE AMP. AND MICROPHONE FOR AUDIOPILOT� CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BOSE amp. connector and microphone for AudioPilot� connector.
3.Check continuity between BOSE amp. harness connector and microphone for AudioPilot� harness connector.





4.Check continuity between BOSE amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- Repair harness or connector.

2. CHECK MICROPHONE SIGNAL

1.Connect BOSE amp. connector and microphone for AudioPilot� connector.
2.Check signal between BOSE amp. harness connector.





Is the inspection result normal?
YES- Replace BOSE amp. Refer to "Exploded View" With Navigation.
NO- Replace microphone for AudioPilot�. Refer to "Exploded View" With Navigation.