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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) (PHEV) >> DTC P0462-00: Fuel Level Sensor 'A' Circuit Low Input >> Wiring Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Ignition "OFF".
  2. Refer to "FUEL PUMP CONTROL MODULE (FPCM) " and disconnect Fuel Control Module connector.
  3. Ignition "ON".
  4. Measure voltage between Pin No. 6 (Signal) terminal of Fuel Control Module harness connector and chassis ground.

    Specification:  B+

  5. Is measured value within specification?

    YES 

    NO