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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

Resistance:
2.32 to 2.59 KOhms at 20 degrees C (68 degrees F)
0.310 to 0.326 kOhms at 80 degrees C (176 degrees F)

NOTE: If inspecting the water temperature sensor in water, prevent water from flowing into the terminals. After inspection, wipe the water off the sensor.