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Home >> Kia >> 2010 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> Scantool Diagnostics >> Monitor Scantool Data
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Monitor Scantool Data

  1. Connect scantool to DLC (Data Link Connector).
  2. Warm up the engine to normal operating temperature.
  3. Monitor "APS1 & APS2" parameters on the scantool.
    VOLTAGE SPECIFICATION

    Pedal Position Output Voltage (V) [Vref = 5.0V]  
    APS1 APS2
    C.T 0.7 ~ 0.8V 0.275 ~ 0.475V
    W.O.T 3.8 ~ 4.4V 1.75 ~ 2.35V
    Fig 1: Scantool Display - Current Data
    G06837133Courtesy of KIA MOTORS AMERICA, INC.
  4. Are those "APS1 & APS2" parameters displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in 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 replaces necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

    NO 

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