Engine Coolant Temperature Sensor: Inspection

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

Fig 1: Locating Engine Coolant Temperature Sensor And Gasket

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Fig 2: Inspecting Engine Coolant Temperature Sensor

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Measure the resistance according to the value (s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

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

NOTE: When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.

If the result is not as specified, replace the engine coolant temperature sensor.