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Home >> Kia >> 2018 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Hydraulic System (PHEV) >> Oil Pump Unit (OPU) >> Repair Procedures >> Inspection

Repair Procedures: Inspection

WARNING:
  • Be sure to read and follow the "GENERAL SAFETY INFORMATION AND CAUTION " before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
  • Be sure to shut off the high voltage circuit according to the "HIGH VOLTAGE SHUTOFF PROCEDURE " before doing any work related with the high voltage system to avoid serious electrical injuries.
  1. Shut off the high voltage circuit.

    (Refer to Automatic Transaxle System - "HIGH VOLTAGE SHUTOFF PROCEDURE ")

  2. Remove the under cover.

    (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")

  3. Remove the air duct (A).
    G12347785Courtesy of KIA MOTORS AMERICA, INC.
  4. Inspect high voltage connector connection state (dual connection).
  5. Disconnect the oil pump control unit (OPU) high-voltage power connector and measure the resistance.
G12347786Courtesy of KIA MOTORS AMERICA, INC.