With CONSULT-II

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

Fig 1: Test Parameters

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

Operation takes less than 1 second. 

Fig 2: "VIAS SOL VALVE" In "ACTIVE TEST" Mode

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