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Home >> Hyundai >> 2019 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System (PHEV) >> Fuel Pump Control Module (FPCM) >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

  1. Connect the GDS to the vehicle's data link connector (DLC).
  2. Check any DTCs and if exist, repair according to the DTC guide.
  3. Check the power supply voltage provided to the fuel pressure sensor (FPS).

    Specification:  5V

    G12727298Courtesy of HYUNDAI MOTOR AMERICA
  4. Check the voltage provided to the fuel pressure sensor (FPS) at idle.

    Specification:  1.9 - 3.2V

    G12727299Courtesy of HYUNDAI MOTOR AMERICA
  5. Check the fuel pressure in the low fuel line.

    (Refer to Fuel Delivery System - "FUEL PRESSURE TEST ")

    Items Specification
    Start Max. 600 KPa
    (Max. 6.1 kgf/cm2 , Max. 87.0 psi)
    In operation 350 - 500 KPa
    (3.5 - 5.1 kgf/cm2 , 50.7 - 72.5 psi)