With CONSULT-II

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

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.

AIR PASSAGE CONTINUITY

Condition VIAS SOL VALVE	Air passage continuity between (A) and (B)	Air passage continuity between (A) and (C)
ON	Yes	No
OFF	No	Yes

Fig 1: Checking Air Passage Continuity And Operation Delay Time

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

Operation takes less than 1 second.