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: STEP 2: Contact Mazda North American Operations
If for any reason you feel the need for further assistance after contacting your
dealership management or it becomes necessary to have the components or wiring system
for the supplementary restraint system modified to accommodate a person with certain
medical conditions in accordance with a ce ...
Mazda 6 Service Manual: Locking, Unlocking with Door- Lock Switch
All doors lock automatically when the lock side is pressed. They unlock when
the unlock side is pressed.
Driver's door
Front passenger's door
To lock all the doors from an open front door, press the lock side of the door
lock switch and then close the door.
NOTE
When locking the doors t ...