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:
B Pillar Lower Trim Removal/Installation
1. Remove the front scuff plate..
2. Remove the rear scuff plate..
3. Partially peel back the seaming welt.
4. Pull the B-pillar lower trim in the direction of the arrow (1), (2) shown
in the figure, detach tab A, pin B, pin C, clip D.
5. Remove the B-pillar lower trim in the direction ...
Accelerator Pedal Position (App) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
Because the APP sensor is integrated in the accelerator pedal, replacing
the APP sensor includes replacement of the accelerator pedal.
1. Connect the M-MDS to the DLC–2.
2. Switch the ignition to ON.
3. Verify that the APP sensor output voltage (PID ...
Body Control Module (Bcm) Inspection
1. Remove the following parts:
a. Front scuff plate (LH).
b. Front side trim (LH).
c. Upper panel.
d. Shift knob (MTX).
e. Selector lever knob (ATX).
f. Shift panel.
g. Side wall.
h. Console.
2. Set the hood release lever out of the way..
3. Remove the lower panel. (driver-side). ...