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:

Bright-Metal Maintenance
Use tar remover to remove road tar and insects. Never do this with a knife or similar tool. To prevent corrosion on brightmetal surfaces, apply wax or chrome preservative and rub it to a high luster. During cold weather or in coastal areas, cover bright-metal parts with a coating ...

Expansion Valve Removal/Installation
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant from the system.. CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing ...

Instrument Cluster Configuration
1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. Select the “Module Programming”. 3. Then, select items from the screen menu in the following order. Select “Programma ...