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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P1424 >> DTC P1220: Fuel Pump Control Module (FPCM) >> 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
    Connector + -
    Terminal terminal
    B41 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? 

    YES: INSPECTION END

    NO: Replace FPCM.

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