Check Seatback Thermal Electric Device Sensor Circuit

CLIMATE CONTROLLED SEAT


Check Seatback Thermal Electric Device Sensor Circuit

1.CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT CIRCUIT
1. Turn ignition switch ON.





2. Check voltage between climate controlled seat control unit connector and ground.





OK or NG
OK - Climate controlled seat control unit circuit is OK.
NG - GO TO 2.
2.CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR HARNESS
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat control unit connector and seatback thermal electric device connector.





3. Check continuity between climate controlled seat control unit connector and seatback thermal electric device connector.





4. Check continuity between climate controlled seat control unit connector and ground.





OK or NG
OK - GO TO 3.
NG - Repair or replace harness between climate seat control unit and seatback thermal electric device.
3.CHECK SEATBACK THERMAL ELECTRIC DEVICE SENSOR





Check resistance between seatback thermal electric device connector.





OK or NG
OK - Check the condition of the harness and the connector.
NG - Replace seatback thermal electric device.