Diagnosis Procedure

FORWARD SWITCH

PASSENGER SIDE : Diagnosis Procedure


1. CHECK FORWARD SWITCH INPUT SIGNAL

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





Is the inspection result normal?
YES- Forward switch circuit is OK.
NO- GO TO 2.

2. CHECK FORWARD SWITCH CIRCUIT

1.Disconnect passenger seat control unit connector and forward switch connector.
2.Check continuity between passenger seat control unit harness connector and forward switch harness connector.





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





Is the inspection result normal?
YES- GO TO 3.
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

Check forward switch.
Refer to "PASSENGER SIDE : Component Inspection" Component Inspection.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace forward switch. Refer to "Exploded View" Exploded View.

5. CHECK PASSENGER SEAT CONTROL UNIT OUTPUT SIGNAL

1.Connect passenger seat control unit connector.
2.Check voltage between passenger seat control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Replace passenger seat control unit. Refer to "Removal and Installation" Removal and Installation.

6. CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END