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Home >> Hyundai >> 2006 >> Tucson Limited, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G6BA - GSL 2.7) >> DTC Troubleshooting Procedures >> DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Input >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. With sensor connector still disconnected, measure voltage between terminal 3 of the sensor harness connector and chassis ground.

    Specification: Approx. 5V

    Fig 1: Measuring Voltage Between Sensor Harness Connector And Chassis Ground
    G04810300Courtesy of HYUNDAI MOTOR CO.
  2. Is voltage within the specification?

    YES  : --> Go to "COMPONENT INSPECTION " procedure.

    NO  : --> Possibility of open or short to power in signal circuit.

    Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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