1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VTCS shutter valve actuator.

3. Connect a vacuum pump to the VTCS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.

Variable intake-air system (vis) control solenoid valve inspection (l3)
Variable tumble control solenoid valve inspectionMazda 6 Service Manual: To Temporarily Cancel
To temporarily cancel the system, use one of these methods:
Slightly depress the brake pedal.
(Manual transaxle) Depress the clutch pedal.
Press the OFF/CANCEL switch.
If the RESUME/ switch is
pressed when the vehicle speed is 25 km/h (16 mph) or higher, the system reverts
to the prev ...
Mazda 6 Service Manual: Power window motor removal/installation
1. Disconnect the negative battery cable.
2. Remove the front door trim or rear door trim.
3. Disconnect the power window motor connector.
4. Remove the bolts.
5. Remove the power window motor from the power window regulator drum.
6. Install in the reverse order of removal.
Note
When ins ...