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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 6) (HEV) >> DTC P2123-00: Accelerator Position Sensor 1 Signal Circuit High Input >> Wiring Inspection >> APS2 Circuit Inspection >> Power Circuit Inspection

Power Circuit Inspection

  1. Ignition "OFF"
  2. Refer to ACCEL PEDAL REMOVAL and disconnect Accel Pedal Position Sensor connector.
  3. Ignition "ON"
  4. Measure voltage between Pin No. 5 (Power) terminal of Accel Pedal Position Sensor harness connector and chassis ground.

    Specification:  Approx. 5V

  5. Is measured value within specification?

    YES 

    NO 

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