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:

Clutch Disc Inspection [C66 M R]
Operation Inspection 1. Inspect the lining surface for discoloration and grease adhesion. 2. Inspect the torsion spring for weakness and the rivet for looseness. 3. Using a vernier caliper, measure the depth between the lining surface and the rivet head. Minimum clutch disc thickness ...

Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the OCV connector. 5. Measure the resistance between terminals A and B using an ohmmeter. OCV coil resistance 6.9—7.9 ohms [20°C {6 ...

PID/Data Monitor Inspection [Bcm]
1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “BCM/GEM”. 3. Select the applicable PID from the PID table. 4. Verify the PID da ...