Base Audio
COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY UNIT)
Description
The AV control unit outputs image signal (DVD, auxiliary input, and camera) to the front display unit and rear display unit by composite image signal.
Diagnosis Procedure
1. CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY
UNIT)
1.Turn ignition switch OFF.
2.Disconnect AV control unit connector and rear display unit connector.
3.Check continuity between AV control unit harness connector and rear display unit 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 COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO REAR DISPLAY UNIT)
1.Connect AV control unit connector and rear display unit connector.
2.Turn ignition switch ON.
3.Check signal between rear display unit harness connector.
Is the inspection result normal?
YES- Replace rear display unit. Base Audio.
NO- Replace AV control unit. Base Audio.