Cabin Temperature Sensor / Switch: Service and Repair

Inspection

1. Ignition "ON"
2. Blow warm air into the in-car sensor air inlet. Measure sensor resistance between 2 and 4 terminals.















NOTE:
In car sensor is negative type thermistor that resistance will rise with lower temperature, and reduce with higher temperature.

Replacement

1. Disconnect the negative (-) battery terminal.
2. Remove the lower crash pad.

3. Disconnect the connector of in-car sensor.
Loosen the mounting 2 screws and then remove the in-car sensor (B).




4. installation is the reverse order of removal.