Cabin Temperature Sensor / Switch: Service and Repair

Inspection

1. Turn the ignition switch ON.
2. Blow air with changing temperature into the in-car sensor air inlet. Measure the sensor resistance between 1 and 2 terminals.









Specification






NOTE:
An in-car sensor is a negative type thermistor. The resistance will rise with lower temperature, and reduce with higher temperature.

Replacement

1. Disconnect the negative (-) battery terminal.
2. Remove the crash pad center panel (A).





3. Loosen the mounting screws and then remove the in-car sensor located in the back side of the crash pad center lower panel.
4. Install in the reverse order of removal.