WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

With CONSULT-III

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 CHART (1 OF 2)

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: CONSULT-III Display - Active Test

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

Without CONSULT-III

Check air passage continuity and operation delay time under the following conditions.

AIR PASSAGE CONTINUITY CHART (2 OF 2)

Condition	Air passage continuity between A and B	Air passage continuity between A and C
12V direct current supply between terminals 1 and 2	Yes	No
No supply	No	Yes

Operation takes less than 1 second .

Fig 2: Checking Air Passage Continuity And Operation Delay Time

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

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

VIAS Control Solenoid Valve

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?