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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (6 OF 9))DTC/CIRCUIT DIAGNOSISDTC P1220: FUEL PUMP CONTROL MODULE (FPCM)COMPONENT INSPECTION (FPCM)
2019 Infiniti Q70 3.7 Luxe, AWD

Component Inspection (FPCM)

2019 Infiniti Q70 3.7 Luxe, AWDSECTION Component Inspection (FPCM)
WARNING: This page is about a different variant/trim than selected.
  1. CHECK FUEL PUMP CONTROL MODULE (FPCM) 
    1. Check the voltage between FPCM terminals under the following conditions.

      FPCM

      Condition

      Voltage

      Connector

      +

      -

      Terminal

      Terminal

      B95

      1

      2

      For 1 second after turning ignition switch ON

      Approx. 10 V

      More than 1 second after turning ignition switch ON

      Approx. 0 V

      Idle speed

      Approx. 10 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace FPCM. Refer to FUEL PUMP CONTROL MODULE (FPCM)

RENDER: 1.0x

NO RELATED

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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.