Mazda 3 Service Manual: Engine Assembly

Refrigerant Pressure Sensor Removal/Installation [Manual Air Conditioner]

1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Disconnect the refrigerant pressure sensor connector. CAUTION: If moisture or foreign material enters the ref ...

Crank, Balancer

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Other materials:

Back Up Light Bulb Removal/Installation
4SD 1. Disconnect the negative battery cable.. 2. Remove the trunk rid trim.. 3. Disconnect the connector. 4. Rotate the socket in the direction of the arrow as shown in the figure to remove it. 5. Remove the back-up light bulb. 6. Install in the reverse order of removal. ...

Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, co ...

Throttle Body Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the throttle body connector. 4. Measure the resistance between throttle body terminals E and F. Throttle body resistance 0.3—100 ohms [20°C {68 °F}] If not as ...