With CONSULT-II

WARNING: This page is about a different car, the 2007 Nissan Quest. 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.

CONNECTOR TERMINAL CONTINUITY SPECIFICATION

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.

Fig 1: Identifying VIAS Control Solenoid Valve

Courtesy of NISSAN NORTH AMERICA, INC.