Mazda 3 Service Manual: General

HVAC

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Air Filter Inspection

1. Verify that there is no damage, excessive dirt, or abnormal odor on the air filter. If there is any malfunction, replace the air filter. NOTE: The air filter cannot be reuse ...

Other materials:

Variable Tumble Shutter Valve Switch Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection NOTE: The variable tumble shutter valve switch cannot be removed as a single unit. When replacing the variable tumble shutter valve switch, replace it together with the intake manifold as a single unit. 1. Connect the M-MDS to the DLC–2. 2. Switch the ...

Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Disconnect the section (A) of the ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose while the engine is idling. NOTE: Because it is difficult to directly inspect the PC ...

Ignition Switch Removal/Installation [Without Advanced Keyless Entry And Push Button Start System]
1. Disconnect the negative battery cable.. 2. Remove the column cover.. 3. Detach the tab. 4. Pull the pin in the direction of the arrow shown in the figure and release the lock. 5. Disconnect the ignition switch connector and key interlock solenoid connector. 6. Remove the ...