Component Tests and General Diagnostics

POWER SUPPLY AND GROUND CIRCUIT:_:HEADREST DISPLAY UNIT





Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.





Is the inspection result normal?
YES - GO TO 2.
NO - Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between headrest display unit harness connector and ground.





- *1: Headrest display unit LH
- *2: Headrest display unit RH
Is the inspection result normal?
YES - GO TO 3.
NO - Check harness between headrest display unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect headrest display unit connector.
3. Check continuity between headrest display unit harness connector and ground.





- *1: Headrest display unit LH
- *2: Headrest display unit RH
Is the inspection result normal?
YES - INSPECTION END
NO - Repair harness or connector.