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:
A/C Unit Removal/Installation
1. Set the air mix mode to MAX COLD.
2. Disconnect the negative battery cable..
3. Discharge the refrigerant..
4. Drain the engine coolant..
5. Remove the plug hole plate.
6. Remove the charge air cooler cover. (MZR 2.3 DISI Turbo).
7. Remove the insulator. (MZR 2.3 DISI Turbo)
8. ...
Operating Tips for AAC
AAC stands for Advanced Audio Coding,
which is standardized voice compression
established by the ISO *1 working group
(MPEG). Audio data can be created and
stored at a higher compression ratio than
MP3.
This unit plays files with the extensions
(.aac/.m4a/.wav *2 ) as the AAC files.
*1 Int ...
Tire Pressure Monitoring System
The Tire Pressure Monitoring System (TPMS) monitors the air pressure of all
four tires. If
the air pressure of one or more tires is too low, the system warns the driver by
indicating the
tire pressure monitoring system warning light in the instrument cluster and
operating a beep
sound. The ...
