Diagnosis Procedure

CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector terminal 19 and AV control unit harness connector terminal 65.
  19 - 65 : Continuity should exist.
4. Check continuity between display unit harness connector terminal 19 and ground.
  19 - Ground : Continuity should not exist.
Is the inspection result normal?

YES: GO TO 2.

NO: Repair harness or connector.
CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal 19 and ground.
REFERENCE CHART

19 - Ground

Is the inspection result normal?

YES: Replace display unit.

NO: Replace AV control unit.