Diagnosis Procedure

SEAT CUSHION HEATER


DRIVER SIDE : Description

Warms the seat cushion.




SEAT CUSHION HEATER


DRIVER SIDE : Diagnosis Procedure

1.CHECK 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. Refer to Removal and Installation.
NO - Repair or replace harness.
3.CHECK SEAT CUSHION HEATER
Check seat cushion heater. Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 4.
NO - Replace seat cushion heater. Refer to Exploded View.
4.CHECK SEAT CUSHION HEATER GROUND CIRCUIT
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. Refer to Intermittent Incident
- INSPECTION END