Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2019 >> QX50 Essential, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 12) >> DTC/Circuit Diagnosis >> DTC P025B: Fuel Pump Module A >> Component Inspection (FPCM)

Component Inspection (FPCM)

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

      FPCM

      Condition

      Voltage

      (Approx.)

      Connector

      +

      -

      Terminal

      M194

      6

      5

      For 1 second after turning ignition switch ON

      9.9 V

      More than 1 second after turning ignition switch ON

      0 V

      Idle speed

      9.9 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace FPCM. Refer to Removal and Installation .