U1264

U1264 ANTENNA AMP.

DTC Logic








Diagnosis Procedure


1. CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND ANTENNA AMP.

1.Turn ignition switch OFF.
2.Disconnect antenna amp. connector and AV control unit connector.
3.Check continuity between AV control unit harness connector and antenna amp. harness connector.





4.Check continuity between AV control unit harness connector and ground.





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

2. CHECK VOLTAGE AV CONTROL UNIT

1.Connect AV control unit connector.
2.Turn ignition switch ON.
3.Check voltage between AV control unit harness connector and ground.





Is the inspection result normal?
YES- Replace antenna amp. Bose Audio .
NO- Replace AV control unit. Bose Audio.