Vacuum Cut Valve: Testing and Inspection

Component Inspection

VACUUM CUT VALVE BYPASS VALVE

With CONSULT-II
1. Reconnect harness disconnected connectors.
2. Turn ignition switch ON.




3. Perform "VC/V BYPASS/V" in "ACTIVE TEST" mode.







4. Check air passage continuity and operation delay time under the given conditions.
Operation takes less than 1 second.
If NG, replace vacuum cut valve bypass valve.







Without CONSULT-II
Check air passage continuity and operation delay time under the given conditions.
Operation takes less than 1 second.
If NG, 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.
8. If NG, replace vacuum cut valve.