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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P0122-00: Throttle Pedal Position Sensor Switch 'A' Circuit Low Input >> Wiring Inspection >> Power Circuit Inspection
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Power Circuit Inspection

  1. Ignition "OFF".
  2. Refer to ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM and disconnect Throttle Body connector.
  3. Ignition "ON".
  4. Measure voltage between Pin No. 5 (TPS Supply) terminal of Throttle Body Sensor harness connector and chassis ground.

    Specification:  Approx. 5V

  5. Is the measured value within specification?

    YES 

    NO