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COMPOSITE IMAGE SIGNAL CIRCUIT


Description

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




COMPOSITE IMAGE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and display unit connector.
3. Check continuity between AV control unit harness connector and 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
1. Connect AV control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector and ground.





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