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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 6) (PHEV) >> DTC P2127-00: Accelerator Position Sensor 2 Signal Circuit Low Input >> Wiring Inspection >> APS 1 Circuit Inspection >> Power Circuit Inspection
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Power Circuit Inspection

  1. Ignition "OFF"
  2. Refer to ACCELERATOR POSITION SENSOR (APS) , "service information" and disconnect Accel Pedal Position Sensor connector.
  3. Ignition "ON"
  4. Measure voltage between Pin No. 4 (Power) terminal of Accel Pedal Position Sensor harness connector and chassis ground.

    Specification:  Approx. 5V

  5. Is measured value within specification?

    YES 

    NO