Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Humidity/In-car Temperature Sensor Test




Humidity/In-car Temperature Sensor Test

Humidity Sensor Test

1. Remove the humidity/in-car temperature sensor. Service and Repair

2. Turn the ignition switch to ON (II). Measure the voltage between the terminals with the (+) probe on terminal No. 3 and the (-) probe on terminal No. 2 with the connector connected.

3. If the voltage is not as specified, replace the humidity/in-car temperature sensor. Service and Repair











In-car Temperature Sensor Test

1. Remove the humidity/in-car temperature sensor. Service and Repair

2. Test the humidity/in-car temperature sensor while holding it in front of the dashboard center vent.
- Measure the resistance with the system set to Max Cool.

- Measure the resistance with the system set to Max Hot.

3. Compare the resistance reading between terminals No. 1 and No. 2 of the humidity/in-car temperature sensor with the specifications shown in the graph; the resistance should be within the specifications.

4. If the resistance is not as specified, replace the humidity/in-car temperature sensor. Service and Repair