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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (PHEV) >> DTC P0452-00: Evaporative Emission System-Pressure Sensor/Switch Low Input >> Wiring Inspection >> Power Circuit Inspection
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Power Circuit Inspection

  1. Ignition "OFF"
  2. Refer to FUEL TANK PRESSURE SENSOR (FTPS) and disconnect Fuel Tank Pressure Sensor (FTPS) connector.
  3. Ignition "ON"
  4. Measure voltage between Pin No. 1 (Power) terminal of Fuel Tank Pressure Sensor (FTPS) harness connector and chassis ground.

    Specification:  Approx. 5V

  5. Is measured value within specification?

    YES 

    NO