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Home >> Kia >> 2005 >> Rio Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> DTC Troubleshooting >> DTC P0123: Throttle Position Sensor Circuit High Input >> Scantool Diagnostics >> Monitor Scantool Data
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Monitor Scantool Data

  1. Ignition "ON" & Engine "OFF"
  2. Connect Scantool and monitor the "TPS VOLTAGE" parameter on scantool.
    1. Specification:
    1. Throttle valve fully closed: Approx. 0.2~0.8V
    2. Throttle valve fully open: Approx. 4.0~4.4V
    3. TP sensor signal should increase smoothly as throttle is opened.
      Fig 1: Display Signal Increases Proportionally With Throttle Opening Angle
      G07339429
      Fig 2: Display TPS Data
      G07339430
      Fig 3: Display TPS Data (Signal Circuit Open)
      G07339431
      Fig 4: Display TPS Data (Power Supply Circuit Open)
      G07339432
  3. Is TPS parameter near the specified value?

    YES

    1. Fault is intermittent caused by poor contact in the sensor's and/or the ECM's connector, which was repaired but 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 "W/HARNESS INSPECTION " procedure.