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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Engine Control System Diagnosis - 3.3L (9 Of 9)) >> DTC U0109-00: Lost Communication With Fuel Pump Control Module >> Wiring Inspection >> Power Circuit Inspection >> Open or Short Check

Open or Short Check

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  1. Start the engine.
  2. Measure voltage between power terminal of the FECM harness connector and chassis ground.

    Specification:  Approx. 12V

  3. Is the measured value within specifications?

    YES 

    NO