Variable Tumble Control System (VTCS) Shutter Valve Actuator

VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SHUTTER VALVE ACTUATOR INSPECTION

Operating Inspection

NOTE: Perform the following test only as directed.

1. Carry out the "VTCS Operation Inspection".
- If not as specified, perform the further inspection for the VTCS shutter valve actuator inspection.

2. Disconnect the vacuum hose from the VTCS shutter valve actuator.




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




4. Apply pressure slowly and inspect the rod movement of the VTCS shutter valve actuator under the following condition.
- If not as specified, replace the VTCS shutter valve actuator.
- If as specified, but "VTCS Operation Inspection" is failed, inspect the vacuum hoses for improper routing, kinks or leakage.

5. Disconnect the vacuum pump from the VTCS shutter valve actuator.
6. Reconnect the vacuum hose to the VTCS shutter valve actuator.