Heater Core Temperature Sensor / Switch: Service and Repair

REMOVAL AND INSTALLATION

REMOVAL SERVICE POINT
HEATER WATER TEMPERATURE SENSOR CLIP REMOVAL

Take the heater water temperature sensor clip from the base of the heater unit out to the front of the vehicle.

INSTALLATION SERVICE POINT
>A< HEATER WATER TEMPERATURE SENSOR CLIP INSTALLATION, HEATER WATER TEMPERATURE SENSOR INSTALLATION
1. Insert the heater water temperature sensor clip into the heater unit.
2. Push in the heater water temperature sensor until the end touches against the stopper of the heater water temperature sensor clip.

INSPECTION
When the resistance value between the sensor terminals is measured under two or more temperature conditions, the resistance value should be close to the values shown in the graph.

NOTE: The temperature conditions when testing should not exceed the range of the characteristic curve in the graph.