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Home >> Kia >> 2015 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 4) >> DTC P0638: Throttle Actuator Control Range/Performance >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Cable (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Check the "Current Data  " about related DTC with GDS.

    Specification:  Refer to Fig 1

    Fig 1: Screen Display - Signal Waveform In Current Data At Engine Idle (Approx 3000rpm)
    G10646933Courtesy of KIA MOTORS AMERICA, INC.
  4. If the parameter is not similar with shown data below, measure related waveforms with GDS.
    Fig 2: Screen Display - Signal Waveform In Current Data (Engine Idle After Warm Up)
    G10646934Courtesy of KIA MOTORS AMERICA, INC.

    ETC Motor(+) → Duty(+) Approx. 88%

    Duty(-) Approx. 12%

    ETC Moter(-) → Not in Control

  5. Are the parameters 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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