2012 Infiniti QX56 AWDFACTORY OEM SERVICE PROCEDURE

Component Inspection (FPCM)

  1. CHECK FUEL PUMP CONTROL MODULE (FPCM)
    1. Check the voltage between FPCM terminals under the following conditions.
      FPCM Condition Voltage
      + -
      Terminal Terminal
      7 6 For 1 second after turning ignition switch ON Approx. 8.5 V
      More than 1 second after turning ignition switch ON Approx. 0 V
      Idle speed Approx. 8.5 V

      Is the inspection result normal?Β 

      YES: INSPECTION END

      NO: Replace FPCM. Refer to "REMOVAL AND INSTALLATIONΒ ".

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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