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Home >> Kia >> 2018 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (3 Of 3) (Except HEV) >> DTC P2127-00: Accelerator Position Sensor 2 Signal Circuit Low Input >> DTC Inspection >> Monitor KDS/GDS Data
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Monitor KDS/GDS Data

  1. Ignition "OFF".
  2. Connect KDS/GDS to Data Link Connector (DLC).
  3. Ignition "ON" & Engine "OFF"
  4. Monitor following parameters in "Current Data  " with KDS/GDS.

    Specification:  Refer to Fig 1 below

    Fig 1: Scantool Display - Accelerator Pedal Position Sensor Current Data When Accelerator Pedal Operated
    G12133015Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the parameter displayed within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "Verification of Vehicle Repair " procedure.

    NO 

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