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: Headliner removal/installation
1. Disconnect the negative battery cable.
2. Turn the seaming welt and weatherstrip over.
3. Remove the sunroof seaming welt. (vehicles with sunroof only)
4. Remove the A-pillar trims.
5. Remove the B-pillar upper trims.
6. Remove the C-pillar trims.
7. Remove the front and rear map light. (Se ...
Mazda 6 Service Manual: i-ACTIVSENSE (Some models)
i-ACTIVSENSE is a collective term covering a series of advanced safety and driver
support systems which make use of a Forward Sensing Camera (FSC) and radar sensors.
These systems consist of active safety and pre-crash safety systems.
These systems are designed to assist the driver in safer dri ...