2008 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

With CONSULT-III

  1. Remove EVAP canister vent control valve from EVAP canister.
  2. Check portion BΒ  of EVAP canister vent control valve for being rusted.

    If NG, replace EVAP canister vent control valve.

    If OK, go to next step.

  3. Reconnect harness connectors disconnected.
  4. Turn ignition switch ON.
    Fig 1: Checking Operation Of Evaporative Canister Vent Control Valve
    G04875240Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.
  6. Check air passage continuity and operation delay time.
    TERMINALS CONTINUITY CHART

    Condition VENT CONTROL/V Air passage continuity between A and B
    ON No
    OFF Yes

    Operation takes less than 1 second.Β 

    Make sure new O-ring is installed properly.Β 

    If NG, replace EVAP canister vent control valve.

    If OK, go to next step.

  7. Clean the air passage (Portion AΒ  to BΒ  ) of EVAP canister vent control valve using an air blower.
  8. Perform step Β 5 again.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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