2012 Infiniti G25 BaseFACTORY OEM SERVICE PROCEDURE

Diagnosis Procedure

  1. CHECK DTC

    Check that DTC UXXXX, P0500 or P1574 is not displayed.

    Is the inspection result normal?Β 

    YES: GO TO 2.

    NO-1: Perform trouble diagnosis for DTC UXXXX.

    NO-2: Perform trouble diagnosis for DTC P0500. Refer to "DIAGNOSIS PROCEDURE ".

    NO-3: Perform trouble diagnosis for DTC P1574. Refer to "DIAGNOSIS PROCEDURE ".

  2. CHECK DTC WITH "UNITIED MATER & A/C AMP."

    Refer to "CONSULT FUNCTION (METER/M&A) ".

    Is the inspection result normal?Β 

    YES: GO TO 3.

    NO: Perform trouble diagnosis relevant to DTC indicated.

  3. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal?Β 

    YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair or replace.

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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