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 |
Crankshaft Position (CKP) Sensor
Purpose/Function
Detects the crankshaft speed as basic information for mainly determining
the fuel injection timing and ignition timing.
Detects the crankshaft speed and inputs it to ...
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:
Steering Switch Removal/Installation
WARNING:
Handling the driver-side air bag module improperly can accidentally operate
(deploy) the air bag module, which may seriously injure you. Read the service
warnings and cautions before handling the air bag module..
1. Switch the ignition OFF (LOCK).
2. Disconnect the neg ...
Turn And Hazard Indicator Alarm
Purpose
The turn and hazard indicator alarm notifies the driver that a turn light
or the hazard warning lights are flashing.
Function
When the instrument cluster receives the turn signal/hazard warning indicator
light illumination request signal sent from the front body con ...
Camshaft Position (CMP) Sensor Inspection
Intake CMP Sensor
Visual inspection
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
caus ...
