2004 Infiniti FX45FACTORY OEM SERVICE PROCEDURE

VIAS Control Solenoid Valve

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: Identifying VAIS Solenoid Specifications (CONSULT-II)
    G00345507Courtesy of NISSAN MOTOR CO., U.S.A.

    Operation takes less than 1 second  .

    Fig 2: Testing VAIS Solenoid With CONSULT-II
    G00345508Courtesy of NISSAN MOTOR CO., U.S.A.

With GST 

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

Fig 3: Identifying VAIS Solenoid Specifications (DVOM)
G00345509Courtesy of NISSAN MOTOR CO., U.S.A.

Operation takes less than 1 second  .

Fig 4: Testing VAIS Solenoid (DVOM)
G00345510Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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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.

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