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:

Front Door Hinge Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front bumper. b. Front combination light. c. Front fender molding. d. Side step molding. e. Front fender panel. f. Front door. 3. Remove in the order indicated in the table. 1 B ...

Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection 1. Connect the M-MDS to the DLC-2. 2. Switch the ignition to ON. 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-MDS.. VSS (Vehicle speed) RPM (Engine speed) O2S12 (HO2S output voltage) 5. Drive ...

Warning Light
The warning light turns on when the system has a malfunction. Refer to Warning Lights on . Brake Pad Wear Indicator When the disc brake pads become worn, the built-in wear indicators contact the disc plates. This causes a screeching noise to warn that the pads should be replaced. When ...