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:

Vehicle Speed Sensor (VSS) Inspection [FS5 A EL]
On-Vehicle Inspection 1. Inspect the power supply circuit for the VSS. a. Remove the insulator from the transaxle. b. Disconnect the VSS connector. c. Switch the ignition to ON (engine off). d. Measure the voltage at VSS connector terminal A (harness-side). If there is a ...

Air Filter Inspection [Mzr 2.0, Mzr 2.5]
Except for Mexico Airflow inspection 1. Remove the air filter.. 2. Blow from port A and verify that there is airflow from port B. If there is no airflow, replace the air filter.. 3. Blow from port B and verify that there is airflow from port A. If there is no airflow, r ...

Displayable Range on the Screen
The images on the screen may be different from the actual conditions. NOTE The displayable range varies depending on the vehicle and road conditions. The displayable range is limited. Objects under the bumper or around the bumper ends cannot be displayed. The distance appearing ...