Mazda 6 Service Manual: Variable intake-air system (vis) shutter valve actuator inspection (l3)

Mazda 6 Service Manual / Fuel and emission control systems / Intake-air system / Variable intake-air system (vis) shutter valve actuator inspection (l3)

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.

If the rod dose not move, replace the intake manifold.

Idle air control (iac) valve inspection

Note Perform the following inspection only when directed. Operation Test Carry out the Idle Air Control Inspection. (See Idle Air Control System Inspection.) If not as specified, perform ...

Variable intake-air system (vis) control solenoid valve inspection (l3)

1. Remove the VIS control solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Inspect airflow between the ports under the following conditions. If not as specified, replace the VIS ...

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