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Home >> Kia >> 2014 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.4L (Except HEV) >> DTC P2123: Throttle/Pedal Position Sensor/Switch 'D' Circuit High Input >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

  1. IG key ON.
  2. Check sensor data as below.
    Fig 1: APPS Voltage Data
    G00536213Courtesy of KIA MOTORS AMERICA, INC.
  3. Data Analysis
    APS DATA ANALYSIS

    Accelerator Position Output Voltage (V)
    APS1 APS2
    C.T 0.7~0.8 0.29~0.46
    W.O.T 3.85~4.35 1.93~2.18
    Fig 2: APPS Voltage Graph
    G00536214Courtesy of KIA MOTORS AMERICA, INC.
  4. Is data in accordance with "Data Analysis"?

    YES 

    • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to next procedure.
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