With CONSULT-II

1. Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port.
2. Start engine.
3. Perform "PURG VOL CONT/V" in "ACTIVE TEST" mode.
4. Touch "Qu" on CONSULT-II screen to increase "PURG VOL CONT/V" opening to 100%.
5. Check vacuum hose for vacuum when revving engine up to 2,000 RPM.

OK or NG 

1. OK: GO TO 16 .
2. NG: GO TO 15 .

Fig 1: CONSULT-II Display Screen

Courtesy of NISSAN MOTOR CO., U.S.A.