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Home >> Hyundai >> 2013 >> Genesis 5.0 R-Spec >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 5.0L >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> Scantool Diagnostics >> 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 the "APS" parameters on the GDS.
    Fig 1: Display - Normal Data Of APS 1 And APS 2 At Idle
    G08824525Courtesy of HYUNDAI MOTOR AMERICA
  4. Is parameter displayed within specifications?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECMs 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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