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:

Ignition Switch
Push Button Start Positions The system operates only when the key is within operational range. Each time the push button start is pressed, the ignition switches in the order of off, ACC, and ON. Pressing the push button start again from ON switches the ignition off. NOTE The engine ...

Parking/Front Side Marker/Front Turn Light Bulb Removal/Installation
1. Disconnect the negative battery cable.. 2. Slightly bend back the front mudguard.. 3. Rotate the parking/front side marker/front turn light socket in the direction of the arrow shown in the figure. 4. Remove the parking/front side marker/front turn light bulb. 5. Install in 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. ...