LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Low Pressure Fuel Pump >> Component Inspection (FPCM)
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Component Inspection (FPCM)

  1. CHECK FUEL PUMP CONTROL MODULE (FPCM)
    1. Check the voltage between FPCM terminals under the following conditions.
      VOLTAGE SPECIFICATION

      FPCM Condition Voltage
      + -
      Terminal Terminal
      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. Refer to "REMOVAL AND INSTALLATION ".