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:
Engine Disassembly/Assembly [Mzr 2.0, Mzr 2.5]
1. Remove the engine from the transaxle..
2. Remove the generator..
3. Remove the exhaust system..
4. Remove the EGR valve..
5. Remove the intake-air system..
6. Remove the fuel injectors..
7. Remove the ignition coils..
8. Remove the crankshaft position (CKP) sensor..
9. Disassemble ...
Rear Door Child Safety Locks
These locks are intended to help prevent
children from accidentally opening the
rear doors. Use them on both rear doors
whenever a child rides in the rear seat of
the vehicle.
If you slide the child safety lock to the
lock position before closing that door, the
door cannot be opened from th ...
Front Bumper Disassembly/Assembly
Standard Type
Except SKYACTIV-G 2.0
1. Disassemble in the order indicated in the table.
1
Screw A
2
Guard cover
3
Screw B
4
Fastener C
5
Intake air guide
...
