Ambient & In-Car Sensor Circuit

Fig. 79 Ambient & In-Car Sensor Circuit Test Connections:

1. Open doors to equalize in-car and ambient temperatures.
2. Remove adapter from "check" terminal, switch ignition to ACC position, and place mode control in OFF position.
3. Connect ohmmeter to "check" terminal, Fig. 79.

Fig. 80 Ambient & In-Car Sensor Circuit Test Specifications:

4. Meter should read values given in chart, Fig. 80.
5. If meter reading is not as specified, check wiring harness and individual sensors.