With CONSULT-II

Reconnect harness connectors disconnected.
Turn ignition switch ON.
Perform "VIAS SOL VALVE" in "ACTIVE TEST" mode.
Check air passage continuity and operation delay time under the following conditions.

Fig 1: Checking Air Passaged Continuity & Operation Delay Time (With Consult-II)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Air Passage Continuity Table (With Consult-II)
Courtesy of NISSAN MOTOR CO., U.S.A.

Operation takes less than 1 second.