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:

Cooling (With air conditioner)
Set the mode selector dial to the position. Set the temperature control dial to the cold position. Set the fan control dial to the desired speed. Turn on the air conditioner by pressing the A/C switch. After cooling begins, adjust the fan control dial and temperature control ...

DRL (Daytime Running Light) Bulb Removal/Installation
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo 1. Disconnect the negative battery cable.. 2. Disconnect the connector. 3. Rotate the DRL bulb in the direction of the arrow shown in the figure to remove it. 4. Remove the DRL bulb. 5. Install in the reverse order of removal. SKYACTIV-G 2.0 ...

Seat Warmer Unit Inspection
WARNING: Handling a front seat (with built-in side air bag) improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings before handling a front seat (with built-in side air bag).. CAUTION: After removing a front seat ...