Mazda CX-5 Service & Repair Manual: 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:
Rear Combination Light
Purpose
The rear combination lights are used to signal the following conditions to
vehicles/people at the rear.
Rear turn lights: Signals a left or right turn of the vehicle.
Brake lights: Signals a vehicle stop.
Taillights: Signals the presence of the ve ...
PCM Removal/Installation
CAUTION:
There are two types of PCM settings. If the incorrect PCM is installed, it
could cause interference with engine control.
When replacing the PCM, verify the first four digits of the part number indicated
on the PCM label before replacement, and replace the PCM with one ...
Intake Air Temperature (Iat) Sensor
IAT Sensor No.1
Purpose/Function
Detects the IAT before it passes through the throttle body as basic information
for mainly determining the fuel injection amount.
Detects the IAT before it passes through the throttle body and inputs it
to the PCM as an IAT signal.
Constru ...
