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:

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 ...

Operational Range
The system operates only when the driver is in the vehicle or within operational range while the key is being carried. Starting the Engine NOTE Starting the engine may be possible even if the key is outside of the vehicle and extremely close to a door and window, however, always start ...

Heating
Set the mode selector dial to the position. Set the air intake selector to the outside air position. Set the temperature control dial to the hot position. Set the fan control dial to the desired speed. If dehumidified heating is desired, turn on the air conditioner. NOTE ...