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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 6) (PHEV) >> DTC P2401-00: EVAP System Leak Detection Pump Control Circuit Low >> Wiring Inspection >> ELCM Pump Motor Power Circuit Inspection

ELCM Pump Motor Power Circuit Inspection

  1. Ignition "OFF"
  2. Refer to EVAPORATION LEAK CHECK MODULE (ELCM) "service information" and disconnect ELCM connector.
  3. Ignition "ON"
  4. Measure voltage between Pin No. 2 (Power) terminal of ELCM harness connector and chassis ground.

    Specification:  B+

  5. Is measured value within specification?

    YES 

    NO 

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