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COMPOSITE IMAGE SIGNAL CIRCUIT


Description

AV control unit that inputs the camera image signal and AUX image signal transmits the composite image signal to the front display unit.




COMPOSITE IMAGE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and front display unit connector.
3. Check continuity between AV control unit harness connector and front display unit harness connector.





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





Is inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO FRONT DISPLAY UNIT)
1. Connect AV control unit connector and front display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector and ground.





Is inspection result normal?
YES - Replace front display unit. Without Navigation.
NO - Replace AV control unit. Without Navigation.