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:

Manual Transaxle Removal/Installation [C66 M R]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the aerodynamic under cover No.2 and the splash shield as a single unit.. 4. Drain the manual transaxle oil.. 5. Disconnect and/or remove the following parts in the engine compartment. a. Remove the batte ...

Discharge Headlight System Inspection
Discharge headlight inoperative WARNING: Incorrect servicing of the discharge headlight bulb could result in electrical shock. Before servicing the discharge headlight bulb, always refer to the service warnings.. Terminal layout Inspection procedure ST ...

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 ...