Engine Coolant Temperature Sensor: Inspection

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

Measure the resistance of the sensor.

Fig 1: Resistance And Temperature Graph

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Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
1 (E2) - 2 (THW)	2.32 to 2.59 kΩ at 20°C (68°F)
1 (E2) - 2 (THW)	0.310 to 0.326 kΩ at 80°C (176°F)

NOTE: If checking the sensor in water, be careful not to allow water to contact the terminals. After checking, wipe the water off the sensor.

If the result is not as specified, replace the sensor.