2019 Kia Optima EXFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Inspection

WARNING: This page is about a different variant/trim than selected.
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 SHUT-OFF PROCEDURES " 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. Remove the hybrid power control unit (HPCU) assembly.

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

  3. Remove the high voltage cable (A) and HPCU tray (B).

    Tightening torque:Β 

    19.6 - 29.4 N.m (2.0 - 3.0 kgf.m, 14.5 - 21.7 lb.ft)

    G13155953Courtesy of KIA MOTORS AMERICA, INC.
  4. Disconnect the solenoid valve connector (A).
    G13155954Courtesy of KIA MOTORS AMERICA, INC.
  5. Measure the resistance between power terminal (14) and signal terminal (8).

    Specification:Β  Approx. 0.88 MΞ©

    G13155955Courtesy of KIA MOTORS AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.