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:

Joint Shaft Removal/Installation [Skyactiv G 2.0]
CAUTION: Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel-speed sensor connector (axle side) and ...

Laser Sensor (Front)
The Smart City Brake Support (SCBS) laser sensor is installed at the top of the windshield near the rearview mirror. Always keep the surface of the windshield around the laser sensor clean to assure proper operation of the Smart City Brake Support (SCBS) system. WARNING As ther ...

Antenna Amplifier Inspection
1. Disconnect the negative battery cable.. 2. Remove the rain sensor cover. (Vehicles with auto light/wiper system). 3. Disconnect the rain sensor connector. (Vehicles with auto light/wiper system) 4. Partially peel back the seaming welts. 5. Remove the following parts: a. Sunroof seaming ...