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:

Maintenance Monitor (Type A audio)
“Oil Change” with a flexible setting *1 is available. Consult your Authorized Mazda Dealer when you want to change the setting *2 . Once the system turns on, the wrench indicator light in the instrument cluster will be illuminated when remaining oil life becomes less than 500 km (300 mile), ...

Bass Box Inspection
1. Disconnect the negative battery cable.. 2. Disconnect the connector.. 3. Verify the resistance between bass-box terminals. If not within the specification, replace the bass-box. Resistance 0.9—1.1 ohms ...

Operating the Radio
Radio ON Press a band selector button ( ) to turn the radio on. Band selection Successively pressing the band selector button ( ) switches the bands as follows: FM1→FM2→AM. The selected mode will be indicated. NOTE If the FM broadcast signal becomes weak, reception auto ...