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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit High Input (Gasoline) / Accelerator Position Sensor 1-High Input (Diesel) >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. With connector still disconnected, measure voltage between terminal 1 of the sensor harness connector and chassis ground.

    Specification : Approx. 5V

    Fig 1: Measuring Voltage Between Terminal 1 Of Sensor Harness Connector And Chassis Ground
    G03842726Courtesy of HYUNDAI MOTOR CO.
  2. Is voltage within the specification?

    YES 

    NO 

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