Mazda 3 manuals

Mazda 3 Service Manual: Engine Tune Up [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Engine / General / Engine Tune Up [Mzr 2.3 Disi Turbo]

NOTE:

Engine Tune-up Preparation

1. Verify that the shift lever is in neutral position.

2. Connect the M-MDS to the DLC-2.


3. Verify that no DTCs are available.

4. Warm up the engine (ECT is approx. 80°C {176 °F} or more

).

5. Turn off all electrical loads.

6. Wait until the cooling fan stops.

Ignition Timing Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify the ignition timing (M-MDS: SPARKADV) using the PID/data monitor function of the M-MDS..

3. Verify that ignition timing advances when the engine speed increases gradually.

Idle Speed Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify that the idle speed (M-MDS: RPM PID) is within the specification using the M-MDS..

*1 When the following electrical loads are on: Headlights, rear defroster, cooling fan, and the blower motor (2-step or more.)

Idle Mixture Inspection

1. Verify that the idle speed and ignition timing are within the specification..

2. Insert an exhaust gas analyzer to the tailpipe.

3. Verify that the CO and HC concentrations are within the regulation.

Engine Tune Up [Mzr 2.0, Mzr 2.5]
NOTE: If the accelerator pedal is depressed continuously for a specified time, the engine speed may decrease to the idle speed. This is due to the fuel cut control operation, which preve ...

Engine Tune Up [Skyactiv G 2.0]
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Other materials:

Illuminated Entry System
When the illuminated entry system operates, the overhead light (switch is in the DOOR position) turn on for: About 30 seconds after the driver's door is unlocked and the ignition is switched off. About 15 seconds after all doors are closed and the ignition is switched off. About 5 se ...

Battery Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Since battery acid is toxic, be careful when handling the battery. Since battery acid is highly corrosive, be careful not to allow it to contact clothing or the vehicle. In case battery acid contacts skin, eyes, or clothing, flush it immediately with running wa ...

Electric Power Steering Oil Pump Component Removal/Installation
CAUTION: Be careful not to drop the electric power steering oil pump component as the internal parts of the EHPAS CM could be damaged. Replace the electric power steering oil pump component if it is subjected to an impact. 1. Remove the front mudguard (RH).. 2. Remove the aerod ...

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