Diagnosis Procedure

POWER SUPPLY AND GROUND CIRCUIT


DRIVER SEAT CONTROL UNIT : Diagnosis Procedure


NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is confirmed with CONSULT-III.
1. CHECK POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect driver seat control unit.
3. Check voltage between driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 2
NO - Check the following.
- Repair or replace harness between driver seat control unit and fuse block (J/B).
- Circuit breaker.
2. CHECK GROUND CIRCUIT





Check continuity between the driver seat control unit harness connector and ground.





Is the inspection result normal?
YES - Driver seat control unit power supply and ground circuit are OK.
NO - Repair or replace harness.