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Home >> Kia >> 2023 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Accelerator Position Sensor (APS) >> On Vehicle Inspection

On Vehicle Inspection

  1. The engine control system can be more quickly diagnosed for problems by using the KDS (Refer to "DTC guide").
    1. Self diagnosis: Inspect the Diagnostic Trouble Code (DTC) using the KDS

      (Refer to DTC guide when fault code is found.)

    2. Data analysis: Measure the output voltage of the APS 1 and 2

      (Data Analysis → System Selection → Engine)

      Accelerator Position Output Voltage (V)
      APS1 APS2
      Accelerator pedal is not pressed 0.7 - 0.8 0.33 - 0.43
      Accelerator pedal is fully pressed 3.98 - 4.22 1.98 - 2.13
    3. Actuation test: Checking the system operation condition

      (Data Analysis → Actuation test → Accelerator Pedal 5%/Accelerator Pedal 95%)