2008 Infiniti G35 BaseFACTORY OEM SERVICE PROCEDURE

DTC Confirmation Procedure

  1. INSPECTION START

    Do you have CONSULT-III?

    Do you have CONSULT-III? 

    YES: GO TO 2.

    NO: GO TO  6.

  2. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    TESTING CONDITION: 

    Always perform test at a temperature of 5°C (41°F) or more. 

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE-I

    With CONSULT-III 

    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 WORK SUPPORT" mode with CONSULT-III.
    5. Touch "START".

    Is "COMPLETED" displayed on CONSULT-III screen? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE-II

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

    SELECTOR LEVER POSITION

    Selector lever Suitable position
    VHCL SPEED SE 32 - 120 km/h (20 - 75 mph)
    ENG SPEED 500 - 3, 000 rpm
    B/FUEL SCHDL 1.3 - 9.0 msec
    COOLAN TEMP/S More than 0°C (32°F)
    CAUTION: Always drive vehicle at a safe speed.

    Is "COMPLETED" displayed on CONSULT-III screen? 

    YES: GO TO 5.

    NO: Perform DTC CONFIRMATION PROCEDURE again. GO TO  3.

  5. PERFORM DTC CONFIRMATION PROCEDURE-III

    Touch "SELF-DIAG RESULTS".

    Which is displayed on CONSULT-III screen? 

    OK: INSPECTION END

    NG: Go to "DIAGNOSIS PROCEDURE ".

  6. PERFORM COMPONENT FUNCTION CHECK

    Perform component function check. Refer to "COMPONENT FUNCTION CHECK ".

    NOTE: Use component function check to check the overall monitoring function of the EVAP control system purge flow monitoring. During this check, a 1st trip DTC might not be confirmed.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".

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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.