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Home >> Hyundai >> 2019 >> Accent Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2128-00: Accelerator Position Sensor 2 Signal Circuit-High Input >> Component Inspection
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Component Inspection

  1. Turn the ignition switch "OFF" and install a GDS
  2. Warm up the engine to normal operating temperature.
  3. Monitor "APS" parameter on the "Current Data" with GDS.

    Specification:  "Current Data" will be displayed as follows

  4. Is the measured signal waveform O.K?

    YES 

    • Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair ".

    NO 

    • Replace the APS with an usable one and check for proper operation. If the problem is corrected, replace the APS and then go to "Verification of Vehicle Repair ".