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:

BSM OFF Indicator Light
This indicator light illuminates for a few seconds when the ignition is switched ON. The BSM OFF indicator light illuminates when the BSM system is turned off by pressing the BSM OFF switch. The indicator light flashes if the BSM system has a malfunction. Consult an Authorized Mazda D ...

Oil Pressure Switch Removal/Installation [FS5 A EL]
WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. 1. Perform the following procedures. a. Remove the battery cover.. b. Disconnect the negative battery cable. c. Remove the aerodynamic under cover NO.2.. 2. Remove in t ...

Variable Swirl Shutter Valve Switch Inspection [Mzr 2.3 Disi Turbo]
Voltage Inspection NOTE: The variable swirl shutter valve switch cannot be removed as a single unit. When replacing the variable swirl shutter valve switch, replace it together with the intake manifold as a single unit. 1. Switch the ignition to ON (Engine off). 2. Verify that ...