Vacuum Cut Valve: Testing and Inspection

Vacuum cut valve bypass valve
Check air passage continuity.







With Consult
Perform "VC/V BYPASS/V" in "ACTIVE TEST" mode.

OR







Without Consult
If NG or operation takes more than 1 second, replace vacuum cut valve bypass valve.




Vacuum cut valve
Check vacuum cut valve as follows:
1. Plug port (C) and (D) with fingers.
2. Apply vacuum to port (A) and check that there is no suction from port (B).
3. Apply vacuum to port (B) and check that there is suction from port (A).
4. Blow air in Port (B) and check that there is a resistance to flow out of port (A).
5. Open port (C) and (D).
6. Blow air in port (A) check that air flows freely out of port (C).
7. Blow air in port (B) check that air flows freely out of port (D).