Mazda CX-5 Service & Repair Manual: 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 ECT sensor No.1..
2. Place the ECT sensor No.1 in water with a thermometer, and heat the water gradually.
3. 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. 2.45 |
|
80 {176} |
Approx. 0.318 |
ECT Sensor No.2
1. Remove the ECT sensor No.2..
2. Place the ECT sensor No.2 in water with a thermometer, and heat the water gradually.
3. 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
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
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 c ...
Other materials:
Heated Oxygen Sensor (HO2 S) Inspection
HO2S Inspection
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine on).
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S12 (HO2S output voltage)
5. D ...
Steering Gear And Linkage Inspection
1. Remove the steering gear and linkage..
2. Remove the tie-rod end and boot..
3. Measure the rotation torque of the pinion shaft using a crescent wrench and
pull scale. (speed measurement reference 5 В°/s)
a. Install the crescent wrench to the steering gear.
b. Measure the length fr ...
Tie Rod End Inspection
1. Inspect the tie-rod end for damage and the boot for cracks.
If there is any malfunction, replace the tie-rod end.
2. Inspect for excessive play.
If there is any malfunction, replace the tie-rod end.
3. Rotate the tie-rod end five times.
4. Install two nuts to the ba ...