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Home >> Hyundai >> 2004 >> Santa Fe Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2.4L) (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0123: Throttle Position Sensor Circuit High Input >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

  1. Ignition "OFF" & Engine "OFF".
  2. Install Scantool then, Ignition "ON" & Engine "OFF".
  3. Monitor the "TPS Value" parameter on scantool.
    1. Specification:

      Throttle valve fully closed: approx. 0.3~0.9V

      Throttle valve fully open: approx. 4.3~4.8V

      TP sensor signal should increase smoothly as throttle is opened.

      Fig 1: Screen Display - Sensor Data At Normal Idle
      G07378482
      Fig 2: Screen Display - Sensor Data At 2000 RPM
      G07378483
  4. Is Current data displayed correctly?

    YES

    • Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM 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

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