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

Check resistance as shown in the figure.


Temperature °C (°F): Resistance kOhms
20 (68): 2.1 - 2.9
50 (122): 0.68 - 1.00
90 (194): 0.236 - 0.260
If NG, replace engine coolant temperature sensor.