2012 Infiniti M37 BaseFACTORY OEM SERVICE PROCEDURE

Component Inspection (Cooling Fan Motor)

  1. CHECK COOLING FAN MOTORΒ 
    1. Turn ignition switch OFF.
    2. Disconnect cooling fan control module harness connectors.
    3. Supply cooling fan control module terminals with battery voltage and check operation.
      Cooling fan control module Operation
      Motor Connector Terminal
      (+) (-)
      1 E301 4 5 Cooling fan operates.
      2 E302 6 7

      Is the inspection result normal?Β 

      YES: INSPECTION END

      NO: Replace cooling fan motor. Refer to "EXPLODED VIEW ".

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:

  • 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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