With CONSULT-II

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Reconnect all 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 Passage Continuity Operation

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

AIR PASSAGE CONTINUITY TABLE

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

Operation takes less than 1 second.