Mazda 3 Service Manual: Exhaust & Emissions

Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]

1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the spark ...

Exhaust System Inspection [Mzr 2.0, Mzr 2.5]

1. Start the engine and inspect each exhaust system component for exhaust gas leakage. If there is leakage, repair or replace the appropriate component.. ...

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 ...

Indicator Lights
These lights turn on or flash to notify the user of the system operation status or a system malfunction. Signal Indicator Lights * BSM OFF Indicator Light * Lane Departure Warning System (LDWS) Indicator Light KEY Indicator Light ...

Headlight Leveling
The number of passengers and weight of cargo in the luggage compartment change the angle of the headlights. Auto type The angle of the headlights will be automatically adjusted when turning on the headlights. The warning/indicator light turns on when the system has a malfunction. Refer ...