Passenger Side

SEAT CUSHION HEATER - PASSENGER SIDE





Description
Warms the seat cushion.




Component Function Check
1.CHECK FUNCTION
Check that heated seat warms to preset temperature when operating heated seat switch to the optimal position.
Is the inspection result normal?
YES - Seat cushion heater function is OK.
NO - SEE Diagnosis Procedure.




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. SEE 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




Component Inspection
1.CHECK SEAT CUSHION HEATER
1. Turn ignition switch OFF.
2. Disconnect seat cushion heater connector and seatback heater connector.
3. Check resistance between seat cushion heater terminals.






NOTE:
Resistance value changes according to temperature.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace seat cushion heater. Exploded View.