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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P1220: Fuel Pump Control Module (FPCM) >> Component Inspection (FPCM)

Component Inspection (FPCM)

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FUEL PUMP CONTROL MODULE (FPCM) 
    1. Check the voltage between FPCM terminals under the following conditions.

      FPCM

      Condition

      Voltage

      Connector

      +

      -

      Terminal

      Terminal

      C12

      6

      5

      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.