Mazda 3 Service Manual: Valvetrain, Cylinder Head

Crankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]

Removal CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine ...

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 outpu ...

Other materials:

Outside the United States/ Canada
Government regulations in the United States/Canada require that automobiles meet specific emission regulations and safety standards. Therefore, vehicles built for use in the United States/Canada may differ from those sold in other countries. The differences may make it difficult or even imp ...

Rear Tilt Motor Inspection
1. Remove the battery cover.. 2. Disconnect the negative battery cable and wait 1 min or more.. 3. Disconnect the rear tilt motor connector. 4. Apply battery positive voltage to the rear tilt motor terminals and inspect the rear tilt motor operation If not as specified, replace t ...

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 b ...