Engine Temperature Sensor: Testing and Inspection

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ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [L5]

1. Disconnect the negative battery cable.

2. Drain the engine coolant. Service and Repair

3. Disconnect the ECT sensor connector.

4. Remove the ECT sensor. Service and Repair

5. Place the ECT sensor in water with a thermometer, and heat the water gradually.

6. Measure the resistance between the ECT sensor terminals A and B using an ohmmeter.

- If not as specified, replace the ECT sensor.
Service and Repair

ECT sensor Specification