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

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

WARNING:

ECT Sensor No.1

1. Disconnect the negative battery cable..

2. Remove the plug hole plate..

3. Drain the engine coolant..

4. Pull out the evaporative hose No.1 from the catch tank and set it aside.


5. Pull out the ventilation hose from the air hose and set it aside.


6. Remove the clip and loosen the wiring harness.


7. Disconnect the ECT sensor No.1 connector.

8. Remove the ECT sensor No.1 using the SST

.


9. Install in the reverse order of removal.

10. Refill the engine coolant..

ECT Sensor No.2

1. Disconnect the negative battery cable..

2. Drain the engine coolant..

3. Lift up the bracket.

4. Disconnect the ECT sensor No.2 connector.

5. Remove the ECT sensor No.2 from the water pipe.


6. Install in the reverse order of removal.

7. Refill the engine coolant..

Engine Coolant Temperature (ECT) Sensor Inspection
Resistance Inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the ...

Engine Coolant Temperature (ECT) Sensor
Purpose/Function Detects the ECT as basic information for mainly determining the fuel injection amount. Detects the ECT and inputs it to the PCM as an ECT signal. The ECT sen ...

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