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Home › Kia › 2017 › Optima Plug-In Hybrid EX › Repair and Diagnosis › Hybrid/Electric Powertrain › Electric Converters and Controllers › Hybrid Control System (PHEV) › DC Fuse › 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 before doing any work related with the high voltage system (Refer to "High Voltage SHUTOFF Procedure "). Failure to follow the safety instructions may result in serious electrical injuries.
  1. Shut off the High Voltage circuit.

    (Refer to Hybrid Control System - "HIGH VOLTAGE SHUTOFF PROCEDURE ")

  2. Remove the air cleaner and air duct.

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

  3. Disconnect the power cable (A) and inverter power cable (B).
    G12353279Courtesy of KIA MOTORS AMERICA, INC.
  4. Remove the DC fuse cover (A) after loosening the mounting hexagon head bolts.

    DC Fuse Cover Mounting Bolt: 

    4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.0 lb.ft)

    G12353280Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the seal cover (B) using a pliers (A).
    G12353281Courtesy of KIA MOTORS AMERICA, INC.
  6. Check the continuity between ends of the DC fuse.

    Specification:  Less than 1Ω [20°C(68°F)]

G12353282Courtesy of KIA MOTORS AMERICA, INC.
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