Sensor Inspection

Checking The Coolant Temperature Sensor Resistance:

1. Remove Engine Coolant Temperature Sensor from the intake manifold.
2. With temperature sensing portion of engine coolant temperature sensor immersed in hot water, check resistance.

Temperature °C (°F) Resistance (k ohms)

0 (32) 5.8
20 (68) 2.4
40 (104) 1.1
80 (176) 0.3

3. If the resistance deviates from the standard value greatly, replace the sensor.