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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0441: EVAP Control System >> DTC Confirmation Procedure >> With Consult-II
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With Consult-II

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start engine and let it idle for at least 70 seconds.
  4. Select "PURG FLOW P0441" of "EVAPORATIVE SYSTEM" in "DTC CONFIRMATION" mode with CONSULT-II.
  5. Touch "START".

    If "COMPLETED" is displayed, go to step  7.

  6. When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen. Maintain the conditions continuously unit "TESTING" changes to "COMPLETED". (It will take at least 35 seconds.)
    TESTING CONDITION

    Selector lever Suitable position
    Vehicle speed 32-120km/h (20-75MPH)
    ENG SPEED 500-3,000rpm
    B/FUEL SCHDL 1.0-12.0msec
    Engine coolant temperature 70-100°C(158-212°F)
    Fig 1: Display "PURG FLOW P0441" Of "EVAPORATIVE SYSTEM" In "DTC CONFIRMATION" Mode
    G02691413Courtesy of NISSAN MOTOR CO., U.S.A.

    If "TESTING" is not changed for a long time, retry from step 2.

  7. Make sure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, refer to DIAGNOSTIC PROCEDURE .