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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1220: Fuel Pump Control Module (FPCM) >> Component Inspection (FPCM) >> Diagnostic Test

Diagnostic Test

  1. CHECK FUEL PUMP CONTROL MODULE (FPCM)

    1. Check the voltage between FPCM terminals under the following conditions.
      FPCM Condition Voltage
      Connector + -
      Terminal Terminal
      B1 1 2 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.