2012 Infiniti M35hFACTORY OEM SERVICE PROCEDURE

Component Function Check

  1. PERFORM COMPONENT FUNCTION CHECK-I
    WARNING: Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pressure fluid escaping from the radiator.
    Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-up pressure to escape. Then turn the cap all the way off.

    Check the coolant level in the reservoir tank and radiator.

    Allow engine to cool before checking coolant level. 

    Is the coolant level in the reservoir tank and/or radiator below the proper range? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 2.

    Fig 1: Identifying Coolant Level In Reservoir Tank
    G08255737Courtesy of NISSAN NORTH AMERICA, INC.
  2. PERFORM COMPONENT FUNCTION CHECK-II

    Confirm whether customer filled the coolant or not.

    Did customer fill the coolant? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 3.

  3. PERFORM COMPONENT FUNCTION CHECK-III

    ◦ With CONSULT 

    1. Turn ignition switch ON.
    2. Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode of "ENGINE" with CONSULT.
    3. Make sure that cooling fan speed varies according to the percentage.

      ⓧ Without CONSULT 

      Perform IPDM E/R auto active test and check cooling fan motors operation, refer to "DIAGNOSIS DESCRIPTION ".

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.