2020 Infiniti QX80 LimitedFACTORY OEM SERVICE PROCEDURE

Confirmation Procedure

  1. PRECONDITIONING 
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    Will CONSULT be used?

    YES

    GO TO 2.

    NO

    GO TO 5.

  2. PERFORM DTC CONFIRMATION PROCEDURE-I 

    SYMBOL WITH CONSULT

    TESTING CONDITION:

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

    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Start engine and let it idle for at least 70 seconds.
    6. Select "PURG FLOW P0441" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT.
    7. Touch "START".

    Is "COMPLETED" displayed on CONSULT screen?

    YES

    GO TO 4.

    NO

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE-II 

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

    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 - 17.0 msec

    COOLAN TEMP/S

    More than 0 deg.C (32 deg.F)
    CAUTION: Always drive vehicle at a safe speed.
Chapter Navigation
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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.