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Home >> Nissan-Datsun >> 2005 >> Sentra Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System (QG18DE) >> DTC P0441: EVAP Control System >> Diagnostic Trouble Codes Confirmation Procedure
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Diagnostic Trouble Codes Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.
NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at EC least 10 seconds before conducting the next test.

TESTING CONDITION: 

Always perform test at a temperature of 0°C (32°F) or more. 

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 Display - Purge Flow P0441 Diagnosis
    G02449972Courtesy of NISSAN MOTOR CO., U.S.A.
    DTC P0441 CONFIRMATION CONDITIONS - WITH CONSULT-II

    Selector lever Suitable position
    Vehicle speed 32 - 120 km/h (20 - 75 MPH)
    ENG SPEED 500 - 3, 800 rpm
    B/FUEL SCHDL 1.0 - 8.2 msec
    Engine coolant temperature More than 0°C (32°F)

    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 ".