Xterra SE 4WD V6-3.3L (VG33E) (2000)
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.
Condition VC/V BYPASS/V Air passage continuity between A and B
ON
Yes
OFF
No
Without CONSULT
Condition: Air passage continuity between A and B
12V direct current supply between terminals: Yes
No supply: No
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.