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Home >> Infiniti >> 2010 >> M45 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0460 To P1421 >> DTC P1220 Fuel Pump Control Module (FPCM) >> On Board Diagnosis Logic
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On Board Diagnosis Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1220
1220
Fuel pump control module (FPCM) An improper voltage signal from the FPCM, which is supplied to a point between the fuel pump and the dropping resistor, is detected by ECM.
  • Harness or connectors

    (FPCM circuit is shorted.)

  • Dropping resistor
  • FPCM