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:

Battery Inspection [Skyactiv G 2.0]
WARNING: Since battery acid is toxic, be careful when handling the battery. Since battery acid is highly corrosive, be careful not to allow it to contact clothing or the vehicle. In case battery acid contacts skin, eyes, or clothing, flush it immediately with running wa ...

Transmitter
NOTE (With theft-deterrent system) The hazard warning lights flash when the theft-deterrent system is armed or turned off. Refer to Theft-Deterrent System on . (With the advanced keyless function) A beep sound can be heard for confirmation when the doors and the l ...

Starter Interlock Switch Inspection [Mzr 2.0, Mzr 2.5]
CAUTION: Do not reuse the starter interlock switch if it is removed from the vehicle even once. Replace with a new starter interlock switch when installing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the starter interlock switch connec ...