Rear Heater A/C
Rear In-car Temperature Sensor Test1. Remove the rear in-car temperature sensor.
2. Heat and cool the sensor by 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 the No 1 and No. 2 terminals of the rear 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 rear in-car temperature sensor.