Mazda 3 Service Manual: Variable Intake Air Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection
1. Remove the air hose..
2. Disconnect the vacuum hose from the variable intake air shutter valve actuator.
3. Connect a vacuum pump to the variable intake air shutter valve actuator.
NOTE:
-
Covered with a hood, the rod of the variable intake air shutter valve actuator cannot be seen from above. Use a mirror from under it to check the operation of the variable intake air shutter valve.
4. Check if the rod operates correctly as stated in the table when a gradual
negative pressure is applied to the variable intake air shutter valve actuator.
|
Vacuum kPa {mmHg, inHg} |
Rod movement |
|
Below –2.7 {–20, –0.8} |
Not operate |
|
Above –33.4 {–251, –9.86} |
Fully pulled |
-
When it is not possible to confirm it, replace the intake manifold..
-
When the variable intake air shutter valve actuator cannot be activated even though the operation of the rod can be confirmed, check for any incorrect connections or breakage of the vacuum hose.
Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the
vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the ...
Variable Intake Air Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable intake air solenoid valve..
4. Inspect airflow between the ports under the fol ...
Other materials:
Steering Shaft Inspection
1. Inspect the column bearing for excessive play and damage.
2. Verify that the measurement of the steering shaft indicated in the figure
is as specified.
If not within the specification replace the steering shaft component.
Steering shaft length
315—320 mm {12.41—12.59 ...
Warning Light
The warning light turns on when the
system has a malfunction.
Refer to Warning Lights on .
Brake Pad Wear Indicator
When the disc brake pads become worn,
the built-in wear indicators contact the
disc plates. This causes a screeching noise
to warn that the pads should be replaced.
When ...
Child-Restraint System Installation
Child-Restraint System Types
In this owner's manual, explanation of
child-restraint systems is provided for the
following three types of popular childrestraint
systems: infant seat, child seat,
booster seat.
NOTE
Installation position is determined
by the type of child-restraint system.
...