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:

Trunk Lid Latch Switch Inspection
1. Disconnect the negative battery cable.. 2. Remove the trunk lid trim.. 3. Remove the trunk lid latch and lock actuator.. 4. Press the latch in using a flathead screwdriver to inspect the latch lever condition. 5. Verify that the continuity is as indicated in the table. I ...

Air Filter Inspection [Mzr 2.3 Disi Turbo]
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, replace the air filt ...

Transaxle Range (TR) Switch Inspection [FS5 A EL]
CAUTION: Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it. Operation Inspection 1. Perform the following procedures to inspect the TR switch. If t ...