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:

Barometric Pressure (Baro) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection NOTE: Because the BARO sensor is integrated in the PCM, replacing the BARO sensor includes replacement of the PCM. 1. Connect the M-MDS to the DLC–2. 2. Switch the ignition to ON. 3. Verify that the BARO sensor output voltage (PID: BARO) is within the spe ...

Vanity Mirror Illumination Inspection
1. Disconnect the negative battery cable.. 2. Remove the sunvisor.. 3. Verify that the continuity between the vanity mirror illumination terminals is as indicated in the table. If not as indicated in the table, inspect the bulb. If there is no malfunction, replace the sunvisor. ...

Cruise Control Switch Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable and wait for 1 min or more.. 3. Remove the driver–side air bag module.. 4. Disconnect the clock spring connector (part wiring harness-side). 5. Measure the resistance between clock spring terminals K and M (part wiring ...