Variable Induction Control Valve: Testing and Inspection

VARIABLE AIR DUCT (VAD) SHUTTER VALVE INSPECTION

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




3. Connect a vacuum pump to the VAD shutter valve actuator.







4. Apply vacuum and verify that the rod moves.
- If the rod does not move, replace the air cleaner case.