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:

Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and b ...

Drive Belt Removal/Installation [Mzr 2.0, Mzr 2.5]
MZR 2.0 A/C drive belt removal 1. Remove the aerodynamic under cover No.2 and splash shield as a single unit.. 2. Remove the nut shown in the figure and set the power steering pipe component out of the way. 3. Set the SST as shown in the figure. NOTE: Hold the SST by hand unti ...

M Position Switch Inspection [FS5 A EL]
1. Perform the following procedures. a. Remove the battery cover.. b. Disconnect the negative battery cable. c. Remove the console.. d. Disconnect the selector lever component connector. 2. Inspect the continuity between the selector lever component terminals A and H. If ...