Mazda 3 Service Manual: Camshaft Position (CMP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
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 cause a deterioration in engine control.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the CMP sensor connector.
5. Remove the CMP sensor..
6. Verify that there are no metal shavings on the CMP sensor.
-
Remove any metal shavings that are adhering.
Voltage 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 cause a deterioration in engine control.
-
If the wiring harnesses or waterproof connectors are damaged, water penetrating the connector will cause a sensor malfunction. To prevent this, be careful not to damage wiring harnesses or waterproof connectors.
1. Idle the engine.
2. Measure the CMP signal and verify that rectangular waves are produced..
-
If not as specified, replace the CMP sensor..
Air Fuel Ratio (A/F) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
A hot engine and exhaust system can cause severe burns. Turn off the engine
and wait until they are cool before removing the exhaust system.
1. Remove the battery cover..
2 ...
Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
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 malfu ...
Other materials:
Flashing the Headlights
To flash the headlights, pull the lever fully
towards you (the headlight switch does not
need to be on).
The headlight high-beam indicator light
in the instrument cluster illuminates
simultaneously. The lever will return to the
normal position when released.
...
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 ...
Oil Control Valve (OCV) Inspection [Mzr 2.3 Disi Turbo]
Coil Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the OCV connector.
4. Measure the coil resistance between terminals A and B using a tester.
If not as specified, replace the OCV..
OCV coil resistance
6. ...
