Diagnosis Procedure

SEAT CUSHION HEATER

PASSENGER SIDE : Diagnosis Procedure


1. CHECK FRONT SEAT CUSHION HEATER INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect seat cushion heater connector.
3.Turn ignition switch ON.
4.Check voltage between seat cushion heater harness connector and ground.





NOTE:
Voltage is repeated within the value shown as per the following list depending on heater unit temperature.
Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK SEAT CUSHION HEATER CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect heated seat control unit connector.
3.Check continuity between seat cushion heater harness connector and heated seat control unit harness connector.





4.Check continuity between seat cushion heater harness connector and ground.





Is the inspection result normal?
YES- Replace heated seat control unit. Removal and Installation.
NO- Repair or replace harness.

3. CHECK SEAT CUSHION HEATER

Check seat cushion heater.
Component Inspection.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace seat cushion heater. Exploded View.

4. CHECK SEAT CUSHION HEATER GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between seat cushion heater harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

5. CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Intermittent Incident
- INSPECTION END