ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [MZR 2.0 DISI i-stop]

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1.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)

2.  Disconnect the negative battery cable.

3.  Remove the ECT sensor. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)

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

5.  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 [MZR 2.0 DISI i-stop].)

ECT sensor Specification