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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Q45 >> Diagnostic Tests >> DTC P1447: EVAP Control System Purge Flow Monitoring >> DTC Confirmation Test (Using CONSULT-II)
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DTC Confirmation Test (Using CONSULT-II)

  1. Start engine and warm to normal operating temperature.
  2. Turn ignition off and wait at least 10 seconds.
  3. Start engine and let it idle for at least 70 seconds.
  4. Select PURG FLOW P1447 of EVAPORATIVE SYSTEM in DTC CONFIRMATION mode with CONSULT-II.
  5. Press START. If COMPLETED is displayed, go to step  7. If COMPLETED is not displayed, go to next step.
  6. When the following conditions are met, TESTING will be displayed on CONSULT-II.
    • Vehicle speed: 20-75 MPH.
    • ENG SPEED: 500-3000 RPM.
    • B/FUEL SCHDL: 1.0-10.0 msec.
    • Engine coolant temperature: 158-212°F (70-100°C).

    Maintain conditions until TESTING changes to COMPLETED (it will take at least 35 seconds), then go to next step. If TESTING does not change to COMPLETED, retry from step  2.

  7. Press SELF-DIAG RESULTS on CONSULT-II. If NG is displayed, go to DIAGNOSTIC PROCEDURE . If OK is displayed, system is okay at this time.
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