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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 P0463-00: Fuel Level Sensor 'A' Circuit High Input >> Wiring Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect Battery (-) terminal.
  3. Refer to FUEL PUMP CONTROL MODULE (FPCM) and disconnect Fuel Control Module connector.
  4. Measure resistance between Pin No. 1 (Ground) terminal of Fuel Control Module harness connector and chassis ground.

    Specification:  Approx. below 1Ω

  5. Is the measured value within specification?

    YES 

    • Go to "Signal Circuit Inspection" procedure below.

    NO 

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