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Mazda CX-5 Service & Repair Manual: Engine Coolant Temperature (ECT) Sensor Inspection

Mazda CX-5 Service & Repair Manual / Engine / Control / Engine Coolant Temperature (ECT) Sensor Inspection

Resistance Inspection

WARNING:

ECT Sensor No.1

1. Remove the ECT sensor No.1..

2. Place the ECT sensor No.1 in water with a thermometer, and heat the water gradually.


3. Measure the resistance between ECT sensor No.1 terminals A and B.


Specification


ECT (°C {°F})

Resistance (Kilohms)

20 {68}

Approx. 2.45

80 {176}

Approx. 0.318



ECT Sensor No.2

1. Remove the ECT sensor No.2..

2. Place the ECT sensor No.2 in water with a thermometer, and heat the water gradually.


3. Measure the resistance between ECT sensor No.2 terminals A and B.


Specification


ECT (°C {°F})

Resistance (Kilohms)

20 {68}

Approx. 2.45

80 {176}

Approx. 0.318



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