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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> P025B Fuel Pump Module A >> Component Inspection (FPCM)
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Component Inspection (FPCM)

  1. CHECK FUEL PUMP CONTROL MODULE (FPCM) 
    1. Check the voltage between FPCM terminals under the following conditions.
      FPCM Condition Voltage(Approx.)
      Connector + -
      Terminal
      M194 6 5 For 1 second after turning ignition switch ON 9.9 V
      More than 1 second after turning ignition switch ON 0 V
      Idle speed 9.9 V

    Is the inspection result normal?

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    INSPECTION END

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    Replace FPCM. Refer to Removal and Installation .