CAUTION:
If the front fog light aiming is adjusted with cargo in the vehicle, it may not adjust correctly. Adjust the front fog light aiming with the vehicle under the following conditions:
No occupants inside vehicle
Cargo other than spare tire, jack, and tools not loaded
Tire pressure is at specification.
Park the vehicle on level ground
Except Mazdaspeed3
1. Make a screen as shown in the figure using double-weight, white paper.

2. Seat one person in the driver’s seat.
3. Line up the vehicle with the wall so that the center of the front fog light is 3 m {9.8 ft}
away from the wall.

4. Measure the height at the center of the front fog light.

NOTE:
Since the height of the vehicle varies depending on the vehicle situation, measure the height of the center of the front fog light using the actual vehicle.
5. Align the center of the front fog light with the center of the screen.

6. Block the light of the other front fog light using a partition.
7. Start the engine.
NOTE:
If servicing is performed when the engine is stopped and the front fog light illuminates, it could result in a discharged battery. For the aiming adjustment, start the engine and perform servicing while the engine is idling.
8. Turn the front fog lights on.
9. Verify that the brightness border line of the front fog light is at the position indicated on the adjustment screen.
If the brightness border line is not at the position indicated on the adjustment screen, perform the following adjustment.
Loosen the bolt.

Loosen the screw.
Move the front fog light in the direction of the arrow shown in the figure to adjust the brightness border line to the position indicated on the adjustment screen.
Tighten the screw and bolt.
Mazdaspeed3
1. Make a screen as shown in the figure using double-weight, white paper.

2. Seat one person in the driver’s seat.
3. Line up the vehicle with the wall so that the center of the front fog light is 3 m {9.8 ft}
away from the wall.

4. Measure the height at the center of the front fog light.

NOTE:
Since the height of the vehicle varies depending on the vehicle situation, measure the height of the center of the front fog light using the actual vehicle.
5. Align the center of the front fog light with the center of the screen.

6. Block the light of the other front fog light using a partition.
7. Start the engine.
NOTE:
If servicing is performed when the engine is stopped and the front fog light illuminates, it could result in a discharged battery. For the aiming adjustment, start the engine and perform servicing while the engine is idling.
8. Turn the front fog lights on.
9. Verify that the brightness border line of the front fog light is at the position indicated on the adjustment screen.
If the brightness border line is not at the position indicated on the adjustment screen, perform the following adjustment.
Loosen the bolt.

Loosen the screw.
Move the front fog light in the direction of the arrow shown in the figure to adjust the brightness border line to the position indicated on the adjustment screen.
Tighten the screw and bolt.
Front Combination Light Removal/Installation
Front Fog Light Bulb Removal/InstallationPositive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
NOTE:
Because it is difficult to directly inspect the PC ...
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve..
2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
3. Verify that the airflow is as indicated in the table.
Vacuum
(kPa {mmHg, inHg})
Valve operation condition
Airflow between port A—B
...
After Service Precaution [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious
injuries or death and damage. When installing the fuel hose, perform “Fuel Leakage
Inspection” described below.
A person charged with static electricity could cause a fire or explosion,
re ...