Diagnosis Procedure

SEAT CUSHION THERMAL ELECTRIC DEVICE


Description

Provides cooling and heat for the seat cushion.




SEAT CUSHION THERMAL ELECTRIC DEVICE


Diagnosis Procedure

Regarding Wiring Diagram information, Climate Controlled Seat Control Unit.
1.CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE
Perform thermal electric device component inspection for the seat cushion. Component Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace seat cushion thermal electric device.
2.CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE CIRCUITS





1. Turn ignition switch OFF.
2. Disconnect seat cushion thermal electric device connector and climate controlled seat control unit connector B217.
3. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 1, 2 and climate controlled seat control unit connector B217 (B) terminals 26, 27.






4. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 1, 2 and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connectors.
3.CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE SENSOR CIRCUITS





1. Disconnect climate controlled seat control unit connector B212.
2. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 3, 4 and climate controlled seat control unit connector B212 (B) terminals 13, 14.





3. Check continuity between seat cushion thermal electric device connector B219 (A) terminals 3, 4 and ground.





Is the inspection result normal?
YES - Replace climate controlled seat control unit.
NO - Repair harness or connectors.