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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC P1777: OPU Power Control Circuit Failure >> DTC Inspection >> Monitor KDS/GDS Data
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Monitor KDS/GDS Data

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Engine "ON" or EV Mode "ON".
  3. Operate vehicle or system in accordance with Enable Condition in DTC Detecting Condition.
  4. Monitor "Oil Pump Speed Command RPM", "Oil Pump Speed Actual RPM", "OPU Controllable Status" and "Engine RPM" parameter in "Current Data  " with KDS/GDS.

    Specification  : Refer to Figure below

    G12348221Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured value within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO