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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) (PHEV) >> DTC P0462-00: Fuel Level Sensor 'A' Circuit Low 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 

    NO 

    • Repair open or short in ground circuit of Fuel Control Module and then go to "VERIFICATION OF REPAIR " procedure.