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Home >> Hyundai >> 2006 >> Elantra GLS, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Input >> Ground Circuit Inspection

Ground Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect TPS connector.
  3. Ignition "ON" & Engine "OFF".
  4. Measure voltage between terminal 2 of the sensor harness connector and chassis ground.

    Specification: Approx. 0V

    Fig 1: Measuring Voltage Between Terminal 2 Of Sensor Connector And Chassis Ground
    G04923880Courtesy of HYUNDAI MOTOR CO.
  5. Is voltage within the specification?

    Yes: 

    No: 

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