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:
Boost Air Temperature Sensor Inspection [Mzr 2.3 Disi Turbo]
Resistance Inspection
NOTE:
Because the boost air temperature sensor is integrated in the MAP sensor,
replacing the boost air temperature sensor includes replacement of the MAP sensor/boost
air temperature sensor.
1. Remove the battery cover..
2. Disconnect the negative batter ...
Generator Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Do not apply direct battery positive voltage to generator terminal D, otherwise
it could cause damage to the internal parts (power transistor) of the generator.
Generator Warning Light
1. Verify that the battery is fully charged.
2. Verify that the drive belt is correct. ...
Outer Mirror Glass Removal
1. Disconnect the negative battery cable.
2. Press area B of the mirror glass so that area A moves outward.
3. Detach pin B while lifting up the inside of the mirror glass holder.
4. Pull the mirror glass holder and remove pins A and C.
5. Disconnect the mirror heater connectors. (Ve ...