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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (PHEV) >> Inhibitor Switch >> Repair Procedures >> Removal
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Repair Procedures: Removal

WARNING:
  • Be sure to read and follow the "GENERAL SAFETY INFORMATION & 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 SHUT-OFF PROCEDURE ")

  2. Drain the coolant of hybrid motor cooling system.

    (Refer to Hybrid Motor System - "COOLANT ")

  3. Remove the air cleaner assembly and air duct.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  4. Remove the hybrid power control unit (HPCU) assembly.

    (Refer to Hybrid Control System - "HYBRID POWER CONTROL UNIT ")

  5. Remove the high voltage cable (A) and HPCU tray (B).
    G13362121Courtesy of KIA MOTORS AMERICA, INC.
  6. Disconnect the inhibitor switch connector (A).
    G13362122Courtesy of KIA MOTORS AMERICA, INC.
  7. Loosen the nut (A).
    G13362123Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the manual control lever (A) loosening the nut.
    G13362124Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the inhibitor switch (A) loosening the bolts.
    G13362125Courtesy of KIA MOTORS AMERICA, INC.