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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
INSPECTION 1.
INSPECT ENGINE COOLANT TEMPERATURE SENSOR
a.
Partially insert the sensor into the water and warm up the water.
b.
Measure the resistance between the terminals.
If the result is not as specified, replace the sensor.
NOTE: When checking the ECT sensor in the water, keep the terminals dry. After the check, wipe the sensor dry.
