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:

Ion Sensor Inspection [Skyactiv G 2.0]
DTC Inspection NOTE: Because the ion sensor is integrated in the ignition coil, replacing the ion sensor includes replacement of the ignition coil/ion sensor. 1. Connect the M-MDS to the DLC-2. 2. Perform the DTC inspection using the M-MDS.. If any DTC related to the ...

C Pillar Trim Removal/Installation
4SD 1. Remove the following parts: a. Rear seat cushion. b. Rear scuff plate. c. Tire house trim. 2. Partially peel back the seaming welt. 3. Pull the C-pillar trim in the direction of the arrow (1), (2) shown in the figure, then detaching clip A and B. 4. Cut the lead wire connec ...

Rear Door Removal/Installation
WARNING: Removing the rear door without supporting it could cause the rear door to fall and cause serious injury. Always perform the procedure with at least another person to prevent the rear door from falling. 1. Disconnect the negative battery cable.. 2. Remove in the order i ...