Evaporator Temperature Sensor / Switch: Testing and Inspection

EVAPORATOR TEMPERATURE SENSOR INSPECTION [MANUAL AIR CONDITIONER]

1. Set the fan speed MAX HI.

2. Set the temperature control at MAX COLD (Turn left).

3. Set the RECIRCULATE mode.

4. Turn the A/C switch off.

5. Close all doors and windows.

6. Wait for 5 min.

7. Disconnect the evaporator temperature sensor connector.

8. Measure the temperature at the blower inlet.

9. Measure the resistance between terminals of the evaporator temperature sensor.






- If the resistance is not as shown in the graph, replace the evaporator temperature sensor.