2003 Nissan-Datsun Frontier Base, AutomaticFACTORY OEM SERVICE PROCEDURE

DTC Confirmation Test (Using CONSULT-II)

  1. Start engine and warm to normal operating temperature.
  2. Turn ignition off and wait at least 5 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. 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 screen:

    2.4L Models

    • Vehicle speed: 20-75 MPH.
    • ENG SPEED: 500-3750 RPM.
    • Engine coolant temperature: more than 158°F (70°C).

    3.3L Models

    • Vehicle speed: 20-75 MPH.
    • ENG SPEED: 500-3400 RPM.
    • B/FUEL SCHDL: 1.0-10.0 msec.
    • Engine coolant temperature: 158-212°F (70-100°C).

    On all models, maintain conditions continuously until TESTING changes to COMPLETED (it will take at least 35 seconds).

    NOTE: If TESTING does not change to COMPLETED, retry from step  2 .
  7. Press SELF-DIAG RESULTS. If NG is displayed, go to DIAGNOSTIC PROCEDURE  . If OK is displayed, system is okay at this time.
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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.