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:

Brake Hose (Rear) Removal/Installation [Mzr 2.0, Skyactiv G 2.0]
CAUTION: If the brake hose is installed to the caliper on the vehicle, the tool cannot be installed correctly resulting in brake fluid leakage due to improper installation. Therefore, remove the caliper and brake hose as a single unit when removing the brake hose, and tighten the br ...

Wheel Hub, Steering Knuckle Removal/Installation
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, disconnect the ABS wheel-speed sensor connector (axle side) ...

Blind Spot Monitoring (BSM) Warning Lights/Blind Spot Monitoring (BSM) Warning Beep
The Blind Spot Monitoring (BSM) or Rear Cross Traffic Alert (RCTA) system notifies the driver of the presence of vehicles in adjacent lanes to the rear of your vehicle using the Blind Spot Monitoring (BSM) warning lights and the warning beep while the systems are operational. Blind Spot Mo ...