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HOMESERVICE MANUALSINFINITI2008EX35 BASE, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM - DTCS P0451 TO P1212P0456 EVAP CONTROL SYSTEMCOMPONENT FUNCTION CHECK
2008 Infiniti EX35 Base, AWD

Component Function Check

2008 Infiniti EX35 Base, AWDSECTION Component Function Check
  1. PERFORM COMPONENT FUNCTION CHECK

    With GST 

    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 (commercial service tool).
    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 check the following conditions are satisfied.

      Pressure to be applied: 2.7 kPa (0.028 kg/cm 2  , 0.39 psi) 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 (0.004 kg/cm 2  , 0.06 psi). 

      Fig 1: Attaching EVAP Service Port Adapter To EVAP Service Port
      G04875285Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Go to "DIAGNOSIS PROCEDURE ".

  2. RELEASE PRESSURE
    1. Disconnect GST.
    2. Start engine and warm it up to normal operating temperature.
    3. Turn ignition switch OFF and wait at least 10 seconds.
    4. Restart engine and let it idle for 90 seconds.
    5. Keep engine speed at 2, 000 rpm for 30 seconds.
    6. Turn ignition switch OFF.
      NOTE: For more information, refer to GST Instruction Manual.

    INSPECTION END

RENDER: 1.0x

NO RELATED

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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.