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

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

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. 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 ...

Other materials:

Ambient Temperature Display
Purpose The ambient temperature display notifies the user of the ambient temperature. Function The instrument cluster displays the ambient temperature based on the ambient temperature signal sent from the PCM as a CAN signal. The ambient temperature is displayed betwee ...

Light Bulbs
WARNING Do not replace the xenon fusion bulbs yourself: Replacing the xenon fusion bulbs yourself is dangerous. Because the xenon fusion bulbs require high voltage, you could receive an electric shock if the bulbs are handled incorrectly. Consult an Authorized Mazda Dealer when the replaceme ...

When Liftgate Cannot be Opened
When Liftgate Cannot be Opened If the vehicle battery is dead or there is a malfunction in the electrical system and the liftgate can not be opened, perform the following procedure as an emergency measure to Open it: 1. Remove the cap on the interior surface of the liftgate with a flathead sc ...