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Home >> Infiniti >> 1999 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Tests - Q45 >> Diagnostic Tests >> DTC P1220: Fuel Pump Control Module (FPCM) >> DTC Confirmation Test

DTC Confirmation Test

Malfunction is detected when PCM receives improper voltage signal from FPCM. Depending on equipment available, use one of the following to set DTC: