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: Clock spring adjustment
Note
The adjustment procedure is also specified on the caution label of
the clock spring.
1. Set the front wheels straight ahead.
Caution
The clock spring will break if over-wound. Do not forcibly turn
the clock spring.
2. Turn the clock spring clockwise until it stops.
3. Tu ...
Mazda 6 Service Manual: Call Interrupt
A call can be interrupted to receive an incoming call from a third party.
When is selected or the pickup
button on the steering wheel is pressed, the current call is held and the system
switches to the new incoming call.
When is selected, the current
call is ended and the system switches t ...