Evaporator Temperature Sensor / Switch: Testing and Inspection

INSPECTION

1. REMOVE EVAPORATOR TEMPERATURE SENSOR
a. Remove the blower unit.




b. Remove evaporator temperature sensor.
1. Disconnect the connector.
2. Pull out the sensor.

2. INSPECT EVAPORATOR TEMPERATURE SENSOR
Inspect evaporator temperature sensor resistance.




1. Place the sensor in cold water, and while changing the temperature of the water, measure resistance at the connector and at the same time, measure temperature of the water with a thermometer.




2. Compare the 2 readings on the chart.
If resistance value is not as specified, replace the sensor.

3. INSTALL EVAPORATOR TEMPERATURE SENSOR
a. Install the evaporator temperature sensor.
1. Install the sensor.
2. Connect the connector.
b. Install the blower unit.