Diagnosis Procedure

FORWARD SWITCH


Description

Forward switch is installed on the seat back frame. Forward switch detects condition of seat back.




FORWARD SWITCH


Diagnosis Procedure

1.CHECK FORWARD SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect forward switch harness connector.
3. Check voltage between forward switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK FORWARD SWITCH CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit harness connector and forward switch harness connector.





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





Is the inspection result normal?
YES - Replace driver seat control unit. Refer to Driver Seat Control Unit
NO - Repair or replace harness.
3.FORWARD SWITCH GROUND CIRCUIT
Check continuity between forward switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK FORWARD SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace forward switch (Built in seat back frame). Refer to Exploded View.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END