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Home >> Infiniti >> 2021 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Component/Circuit Diagnosis >> Fuel Pump Control Module >> Component Inspection >> VR30DDTT engine
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VR30DDTT engine

  1. CHECK FUEL PUMP CONTROL MODULE 
    1. Check the voltage between Fuel pump control module terminals under the following conditions.

      FUEL PUMP CONTROL MODULE

      Condition

      Voltage

      Connector

      +

      -

      Terminal

      Terminal

      B11

      1

      2

      For 1 second after turning ignition switch ON

      Approx. 9.9 V

      More than 1 second after turning ignition switch ON

      Approx. 0 V

      Idle speed

      Approx. 9.9 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace Fuel pump control module. Refer to FUEL PUMP CONTROL MODULE (FPCM) : Removal & Installation .