Mazda 3 Service Manual: Emissions

Thermostat Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may ...

Canister Vent (Cv) Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]

Except for Mexico Airflow inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the CV solenoid valve.. 4. Inspect airflow between the ports under the f ...

Other materials:

Active Command Modes Inspection [Instrument Cluster]
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 “IC”. 3. Select the simulation items from the PID table. 4. Perform the active c ...

Check Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]
1. Disconnect the vacuum hose connected between the check valve and the purge solenoid valve from the purge solenoid valve.. 2. Disconnect the vacuum hose connected between the check valve (one-way) and the intake manifold from the intake manifold.. 3. Blow through the check valve (one-way) ...

Rear ABS Wheel Speed Sensor Inspection
Installation Visual Inspection 1. Inspect for the following: If there is any malfunction, replace the part. a. Excessive looseness or play of the rear ABS wheel-speed sensor b. Deformation of the rear ABS wheel-speed sensor c. Deformation or damage of the rear ABS sensor rotor C ...