Mazda 3 Service Manual: 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 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..
7. Place the ECT sensor No.1 in water with a thermometer, and heat the water gradually.
8. Measure the resistance between ECT sensor No.1 terminals A and B.
-
If not as specified, replace the ECT sensor No.1..
|
ECT (°C {°F}) |
Resistance (kilohms) |
|
20 {68} |
Approx. 37.34 |
|
80 {176} |
Approx. 3.84 |
ECT Sensor No.2 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.
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..
6. Place the ECT sensor No.2 in water with a thermometer, and heat the water gradually.
7. Measure the resistance between ECT sensor No.2 terminals A and B.
-
If not as specified, replace the ECT sensor No.2..
|
ECT (°C {°F}) |
Resistance (kilohms) |
|
20 {68} |
Approx. 2.45 |
|
80 {176} |
Approx. 0.318 |
Engine Coolant Replacement [Mzr 2.0, Mzr 2.5]
WARNING:
Never remove the cooling system cap or loosen the radiator drain plug while
the engine is running, or when the engine and radiator are hot. Scalding engine
coolant and steam may ...
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. D ...
Other materials:
Clock Switch Inspection
NOTE:
Clock switch built with the hazard warning switch.
1. Disconnect the negative battery cable..
2. Remove the clock switch..
3. Verify resistance between the clock switch terminals.
If the resistance is not as specified, replace the clock switch.
Between t ...
Transaxle Oil Inspection [G35 M R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2..
3. Remove the oil level plug and washer.
4. Verify that the oil is near the brim of the plug port.
If the oil level is lower than the low level, add the specified amount and
type of oil through the ...
Winter driving tips
When operating the Subaru Solterra in winter conditions, it is essential
to carry out thorough preparation and regular inspections before driving. Always
adapt your driving style to current weather and road conditions to ensure maximum
safety, efficiency, and vehicle performance.
Pre-winter p ...
