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:

Climate Control Unit Inspection [Full Auto Air Conditioner]
1. Remove the climate control unit with the connector connected.. 2. Switch the ignition to ON. 3. Connect the negative (-) lead of the tester to body ground. 4. By inserting the positive (+) lead of the tester into each climate control unit terminal, measure the voltage according to the ter ...

Event Data Recorder
This vehicle is equipped with an event data recorder (EDR). The main purpose of an EDR is to record, in certain crash or near crash-like situations, such as an air bag deployment or hitting a road obstacle, data that will assist in understanding how a vehicle’s systems performed. The EDR is ...

Lighting Control
Headlights Turn the headlight switch to turn the headlights, other exterior lights and dashboard illumination on or off. When the lights are turned on, the lights-on indicator light in the instrument cluster turns on. NOTE If the light switch is left on, the lights will automatical ...