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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC P2401-00: EVAP System Leak Detection Pump Control Circuit Low >> Wiring Inspection >> ELCM Pump Motor Power Circuit Inspection
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ELCM Pump Motor Power Circuit Inspection

  1. Ignition "OFF"
  2. Refer to EVAPORATION LEAK CHECK MODULE (ELCM) 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 

    • Go to "ELCM Pump Motor Control Circuit Inspection" procedure below.

    NO