2008 Infiniti G35 BaseFACTORY OEM SERVICE PROCEDURE

DTC Confirmation Procedure

  1. 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: 

    • Perform "DTC WORK SUPPORT" when the fuel level is between 1/4 and 3/4 full, and vehicle is placed on flat level surface. 
    • Always perform test at a temperature of 0 to 30°C (32 to 86°F). 
    NOTE: Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly.

    Do you have CONSULT-III? 

    YES: GO TO 2.

    NO: GO TO  3.

  2. PERFORM DTC CONFIRMATION PROCEDURE

    With CONSULT-III 

    1. Turn ignition switch ON.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-III.
    4. Make sure that the following conditions are met.

      COOLAN TEMP/S: 0 - 70°C (32 - 158°F) 

      INT/A TEMP SE: 0 - 30°C (32 - 86°F) 

    5. Select "EVAP SML LEAK P0442/P1442" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT-III.

      Follow the instruction displayed.

      NOTE: If the engine speed cannot be maintained within the range displayed on the CONSULT-III screen, go to "BASIC INSPECTION : SPECIAL REPAIR REQUIREMENT ".

    Which is displayed on CONSULT-III screen? 

    OK: INSPECTION END

    NG: Go to "DIAGNOSIS PROCEDURE ".

  3. PERFORM DTC CONFIRMATION PROCEDURE

    With GST 

    NOTE: Be sure to read the explanation of Driving Pattern in "HOW TO SET SRT CODE " before driving vehicle.
    1. Start engine.
    2. Drive vehicle according to Driving Pattern.
    3. Stop vehicle.
    4. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
    5. Check 1st trip DTC.

    Is 1st trip DTC displayed? 

    YES-1: P0441: Go to "DIAGNOSIS PROCEDURE ".

    YES-2: P0442: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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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.