Mazda 3 Service Manual: Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
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 battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Remove the battery and battery tray..
5. Disconnect the ECT sensor No.1 connector.
6. Remove the ECT sensor No.1 using the SST
.
7. Install in the reverse order of removal.
8. Refill the engine coolant..
ECT Sensor No.2
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Disconnect the ECT sensor No.2 connector.
5. Remove the ECT sensor No.2 using the SST
.
NOTE:
-
Wipe off any oil or engine coolant if it gets on the ECT sensor No.2 installation area.
6. Install in the reverse order of removal.
7. Refill the engine coolant..
Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1
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.
1. Remove the ...
Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
...
Other materials:
Side Turn Light Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the outer mirror glass..
3. Remove the outer mirror garnish..
4. Remove the screw.
5. Disconnect the connector.
6. Remove the side turn light while detaching tab.
CAUTION:
If the tabs of the side turn light are detached, th ...
Rear Upper Arm Removal/Installation
1. When working on the right side of the vehicle, disconnect the canister vent
(CV) solenoid valve from the rear crossmember. (MZR 2.0 (Except Mexico), SKYACTIV-G
2.0, MZR 2.3 DISI Turbo, MZR 2.5 (Except Mexico))
2. Remove in the order indicated in the table.
3. Install in the reverse or ...
EGR Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant from the radiator..
4. Remove the air cleaner and the air hose as a single unit..
5. Remove the radiator hose (upper, engine side)..
6. Disconnect the EGR valve connector.
7. Remove in th ...
