Mazda 3 Service Manual: Variable Tumble 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 tumble shutter valve actuator.
3. Connect a vacuum pump to the variable tumble shutter valve actuator.
NOTE:
-
Covered with a hood, the rod of the variable tumble shutter valve actuator cannot be seen from above. Use a mirror from under it to check the operation of the variable tumble shutter valve.
4. Check if the rod operates correctly as stated in the table when a gradual negative pressure is applied to the variable tumble shutter valve actuator.
|
Vacuum kPa {mmHg, inHg} |
Rod movement |
|
Below –2.7 {–20, –0.8} |
No operate |
|
Above –33.4 {–251, –9.86} |
Fully pulled |
-
When it is not possible to confirm it, replace the intake manifold..
-
When the variable tumble 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.
Variable Swirl Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable swirl solenoid valve..
4. Inspect the airflow between the ports under the foll ...
Variable Tumble 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 tumble solenoid valve..
4. Inspect airflow between the ports under the followi ...
Other materials:
Accessory Socket Inspection
Front
1. Disconnect the negative battery cable..
2. Remove the upper panel..
3. Remove the shift lever knob. (MTX).
4. Remove the selector lever knob. (ATX).
5. Remove the shift panel.
6. Remove the accessory socket (front).
7. Connect a tester as shown in the figure and verify that the ...
Parking Brake Cable Removal/Installation
1. Remove the following parts:
a. Upper panel.
b. Shift knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Console.
2. Remove the under cover..
3. Remove the tunnel member (rear). (MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo).
4. Remove the brace bar. (SKYACTIV-G ...
Windshield Wiper And Washer Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (Driver‘s side).
b. Front side trim (Driver‘s side).
c. Hood release lever.
d. Upper panel.
e. Shift knob (MTX).
f. Selector lever knob (ATX).
g. Shift panel.
h. Side wall.
i. Conso ...
