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Home >> Hyundai >> 2015 >> Equus Signature >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> DTC Inspection >> Monitor GDS Data
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Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor "APS" parameter on the "Current Data  " with GDS.
    Fig 1: Scantool Display - APS Parameter On Current Data With GDS
    G10391445Courtesy of HYUNDAI MOTOR AMERICA
  4. Are the parameters displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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