2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE

Work Procedure

CAUTION: Permanent DTC can only be erased by a legally stipulated driving cycle.
  1. CHECK DTC 

    Check DTC.

    Is any DTC detected?

    YES

    Repair malfunction(s) and erase DTC. Refer to DTC Index .

    NO

    GO TO 2.

  2. CHECK PERMANENT DTC 

    SYMBOL With CONSULT

    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.
    4. Turn ignition switch ON.
    5. Select "Permanent DTC Status" of "SRT & P-DTC" mode with CONSULT.

    Is any permanent DTC detected?

    YES

    GO TO 3.

    NO

    END

  3. SET SRT 

    SYMBOL With CONSULT

    Set SRT. Refer to Description .

    If a vehicle has one or more SRT items indicating "INCMP", perform the most efficient SRT set driving pattern to set the SRT properly.

    GO TO 4.

  4. DRIVE DRIVING PATTERN 
    CAUTION: Always drive at a safe speed.

    SYMBOL With CONSULT

    1. Start engine and warm it up to normal operating temperature.
    2. Use "Permanent DTC Status" of "SRT & P-DTC" mode with CONSULT.
    3. Drive the vehicle according to driving cycle.

      The driving cycle must be performed under the following conditions:

      1. The state of driving at 40 km/h (25 MPH) reaches 300 seconds or more in total.
      2. Idle speed lasts 15 seconds or more.
      3. A lapse of 600 seconds or more after engine start.

    GO TO 5.

  5. CHECK PERMANENT DTC 

    SYMBOL With CONSULT

    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.
    4. Turn ignition switch ON.
    5. Select "Permanent DTC Status" of "SRT & P-DTC" mode with CONSULT.

    Is any permanent DTC detected?

    YES

    GO TO 4.

    NO

    END

Factory Service Tools

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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.

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