ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [LF, L5]

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1.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [LF, L5].)

2.  Disconnect the negative battery cable.

3.  Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [LF, L5].)

4.  Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [LF, L5].)

5.  Disconnect the ECT sensor connector.

6.  Remove the ECT sensor. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION [LF, L5].)

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

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

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•  If not as specified, replace the ECT sensor.

(See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION [LF, L5].)

ECT sensor Specification