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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 7 (ENGINE CONTROL SYSTEM - DTCS P0451 TO P1212 (VK45DE))DTC P0456 EVAP CONTROL SYSTEMOVERALL FUNCTION CHECKWITH GST
2006 Infiniti FX35 AWD

With GST

2006 Infiniti FX35 AWDSECTION With GST
WARNING: This page is about a different car, the 2006 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

Use this procedure to check the overall function of the EVAP very small leak function. During this check, a 1st trip DTC might not be confirmed.

CAUTION:
  • Do not use compressed air, doing so may damage the EVAP system.
  • Do not start engine.
  • Do not exceeded 4.12 kPa (0.042 kg/cm2 , 0.6 psi).
  1. Attach the EVAP service port adapter securely to the EVAP service port (2).
    • EVAP canister purge volume control solenoid valve (1)
      Fig 1: Identifying EVAP Canister Purge Volume Control Solenoid Valve
      G04075038Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Set the pressure pump and a hose.
  3. Also set a vacuum gauge via 3-way connector and a hose.
  4. Turn ignition switch ON.
  5. Connect GST and select "Service $08".
  6. Using "Service $08" control the EVAP canister vent control valve (close).
  7. Apply pressure and make sure the following conditions are satisfied.
    Fig 2: Attaching EVAP Service Port Adapter Securely To EVAP Service Port
    G04075039Courtesy of NISSAN MOTOR CO., U.S.A.

    Pressure to be applied: 2.7 kPa (20 mmHg, 0.79 inHg) 

    Time to be waited after the pressure drawn in to the EVAP system and the pressure to be dropped: 60 seconds and the pressure should not be dropped more than 0.4 kPa (3 mmHg, 0.12 inHg). 

    If NG, go to "DIAGNOSTIC PROCEDURE ".

    If OK, go to next step.

  8. Disconnect GST.
  9. Start engine and warm it up to normal operating temperature.
  10. Turn ignition switch OFF and wait at least 10 seconds.
  11. Restart engine and let it idle for 90 seconds.
  12. Keep engine speed at 2, 000 RPM for 30 seconds.
  13. Turn ignition switch OFF.
    NOTE: For more information, refer to GST instruction manual.
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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.