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

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

Idle air control (iac) valve inspection
Variable intake-air system (vis) control solenoid valve inspection (l3)Mazda 6 Service Manual: Headlights
Turn the headlight switch to turn the headlights and other exterior lights on
or off. When the lights are turned on, the lights-on indicator light in the instrument
cluster turns on.
NOTE
If the light switch is left on, the lights will automatically switch
off approximately 30 seconds ...
Mazda 6 Service Manual: Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types
of air bags. Please verify the different types of air bags which are equipped
on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators
are visible in the area where the air bags are in ...