Diagnosis Procedure
- CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY UNIT)
- Turn ignition switch OFF.
- Disconnect AV control unit connector and rear display unit connector.
- Check continuity between AV control unit harness connector and rear display unit harness connector.
AV control unit Rear display unit Continuity Connector Terminal Connector Terminal M173 67 R36 7 Existed 66 8 - Check continuity between AV control unit harness connector and ground.
AV control unit Ground Continuity Connector Terminal M173 67 Not existed 66 Is the inspection result normal?
YES: GO TO 2.
NO: Repair harness or connector.
- CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO REAR DISPLAY UNIT)
- Connect AV control unit connector and rear display unit connector.
- Turn ignition switch ON.
- Check signal between rear display unit harness connector.
Probe Condition Standard Reference value (+) (-) Rear display unit Connector Terminal Connector Terminal R36 7 R36 8 When DVD or AUX image is displayed. Waveform according to composite image is input. Is the inspection result normal?
YES: Replace rear display unit. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".