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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0441 To P1168 >> DTC P0441: EVAP Control System >> DIAGNOSTIC TROUBLE CODES 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 until "TESTING" changes to "COMPLETED". (It will take at least 35 seconds.)
    Fig 1: CONSULT-II Data Monitor Mode Display
    G02369446Courtesy of NISSAN MOTOR CO., U.S.A.
    SELECTOR LEVER AND SUITABLE POSITION

    Selector lever Suitable position
    Vehicle speed 32 - 120 km/h (20 - 75 MPH)
    ENG SPEED 500 - 3, 800 rpm
    B/FUEL SCHDL 1.0 - 10.0 msec
    Engine coolant temperature 70 - 100°C (158 - 212°F)
    Fig 2: Purg Flow P0441 Display
    G02369447Courtesy 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 ".