Diagnosis Procedure

COMPOSITE IMAGE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connector and front display unit connector.
3. Check continuity between DVD player harness connector terminal 20 and front display unit harness connector terminal 15.

20 - 15 : Continuity should exist.

4. Check continuity between DVD player harness connector terminal 19 and front display unit harness connector terminal 5.

19 - 5 : Continuity should exist.

5. Check continuity between front display unit harness connector terminal 15 and ground.

15 - Ground : Continuity should not exist.

6. Check continuity between front display unit harness connector terminal 5 and ground.

5 - Ground : Continuity should not exist.

Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK COMPOSITE IMAGE SIGNAL
1. Connect DVD player connector and front display unit connector.
2. Turn ignition switch ON.
3. Check signal between front display harness connector terminal 15 and 5.





Is the inspection result normal?
YES - Replace front display unit.
NO - Replace DVD player.