2012 Infiniti M37 BaseFACTORY OEM SERVICE PROCEDURE

Detailed Flow

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
  1. INTERVIEW FOR MALFUNCTION 

    Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.

    : GO TO 2.

  2. SYMPTOM CHECK 
    1. Check the symptom based on the information obtained from the customer.
    2. Perform "All DTC Reading" with CONSULT.

      Is U1000 detected? 

      YES: Perform CAN communication trouble diagnosis.

      NO: GO TO 3.

  3. CHECK DRIVE MODE SELECT SWITCH AND METER INDICATION 

    Compare combination meter indication with drive mode select switch pointer position.

    Does switch position accord with meter indication? 

    YES: Perform trouble diagnosis of malfunctioning system (DTC confirmation).

    NO: GO TO 4.

  4. CHECK THE DRIVE MODE SELECT SWITCH CIRCUIT 

    Perform inspection of drive mode select switch circuit. Refer to "DIAGNOSIS PROCEDURE ".

    Is inspection result normal? 

    YES: GO TO 5.

    NO: Repair or replace malfunctioning parts.

  5. CHECK THE DATA MONITOR OF COMBINATION METER 

    Compare "DRIVE MODE STATS" indication on the combination meter data monitor with drive mode select switch pointer position.

    Does switch position accord with data monitor indication? 

    YES: GO TO 6.

    NO: Perform trouble diagnosis of A/C auto amp. Refer to "CONSULT FUNCTION ".

  6. CHECK THE DATA MONITOR OF COMBINATION METER 

    Compare "DRIVE MODE STATS" indication on the combination meter data monitor with combination meter indication.

    Does meter indication accord with data monitor indication? 

    YES: GO TO  2.

    NO: Perform trouble diagnosis of combination meter. Refer to "CONSULT FUNCTION ".

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.