Diesel Data: Automotive Repair

BOSE Audio With Navigation


U1290, U1291, U1292, U1293 AUDIOPILOT MICROPHONE





Description









DTC Logic

DTC DETECTION 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.
- Replace microphone for AudioPilot� .
NO