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:

Oil Control Valve (OCV) Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the ventilation hose. 7. Remove the oil level gauge. 8. Remove the cylinder head cover.. 9. Remove in th ...

Locking, Unlocking with Key
All doors and the liftgate lock automatically when the driver's door is locked using the auxiliary key. All doors and the liftgate unlock when the driver's door is unlocked and the auxiliary key is held in the unlock position for one second or longer. Turn the auxiliary key toward the fro ...

Daytime Running Lights
Some countries require moving vehicles to have their lights on (daytime running lights) during the daytime. Daytime running lights turn on automatically when the ignition is switched ON. They turn off when the parking brake is operated or the shift lever is shifted to the P position (aut ...