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Home >> Hyundai >> 2011 >> Accent GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0123: Throttle/Pedal Position Sensor/Switch A Circuit High Input >> Scan Tool Diagnostics >> Monitor Scan Tool Data
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Monitor Scan Tool Data

  1. Connect scan tool to Data Link Connector (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor the "TPS" parameters on the scan tool.
    Fig 1: Monitoring TPS Parameters On Scan Tool
    G06881346Courtesy of HYUNDAI MOTOR CO.
  4. Are the parameters displayed correctly?

    YES 

    1. 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 

    1. Go to "TERMINAL AND CONNECTOR INSPECTION " procedure
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