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:

Drive Belt Removal/Installation [Skyactiv G 2.0]
WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing. NOTE: Remove/install the drive belt from the underside of the vehicle. Generator Drive Belt Removal/Installation CAUTION: To prevent damage to the dri ...

Back Up Light Switch Inspection
1. Disconnect the negative battery cable.. 2. Remove the battery component. (ex: battery, battery tray and PCM component) (G35-MR,G66M-R). 3. Remove the aerodynamic under cover No.2. (G35-MR,G66M-R,C66M-R). 4. Disconnect the back-up light switch connector.. 5. Verify that the continuity be ...

Variable Swirl Shutter Valve Switch Inspection [Mzr 2.3 Disi Turbo]
Voltage Inspection NOTE: The variable swirl shutter valve switch cannot be removed as a single unit. When replacing the variable swirl shutter valve switch, replace it together with the intake manifold as a single unit. 1. Switch the ignition to ON (Engine off). 2. Verify that ...