2012 Infiniti FX50FACTORY OEM SERVICE PROCEDURE

Detailed Flow

  1. INTERVIEW FROM THE CUSTOMER

    Clarify customer complaints before inspection. First of all, reproduce symptoms, and understand them fully. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.

    CAUTION: Customers are not professional. Never guess easily like "maybe the customer means that...," or "maybe the customer mentions this symptom".

    : GO TO 2.

  2. CHECK AWD WARNING LAMP

    Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.

    Does AWD warning lamp turn ON?Β 

    YES: GO TO 3.

    NO: GO TO Β 6.

  3. PERFORM SELF-DIAGNOSIS

    With CONSULT

    1. Perform self-diagnosis for "ALL MODE AWD/4WD".
    2. Check malfunction detected by self-diagnosis.
    3. Erase self-diagnostic results for "ALL MODE AWD/4WD".

      : GO TO 4.

  4. CHECK TERMINALS AND HARNESS CONNECTORS

    Check pin terminals for damage or loose connection with harness connector.

    : GO TO 5.

  5. CHECK SYMPTOM REPRODUCTION

    With CONSULT

    Perform DTC reproduction procedure for the error system.

    Is any error detected?Β 

    YES: GO TO Β 2.

    NO: GO TO 6.

  6. PERFORM SYMPTOM DIAGNOSIS

    Perform the symptom diagnosis for each system.

    Is any malfunction present?Β 

    YES: GO TO Β 2.

    NO: GO TO 7.

  7. FINAL CHECK

    With CONSULT

    Check input/output signal standard of "ALL MODE AWD/4WD".

    Is the input/output the standard value?Β 

    YES: INSPECTION END

    NO: GO TO Β 2.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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