2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

VIAS Control Solenoid Valve

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 

  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.
    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
    G04897282Courtesy 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
G04897283Courtesy of NISSAN MOTOR CO., U.S.A.
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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.