KIA Niro: Sub Battery Pack Assembly

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Service Highlight / High Voltage Battery System / Sub Battery Pack Assembly

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 Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.
  1. Turn ignition switch OFF and disconnect the negative (-) battery terminal.
  2. Shut off the high voltage circuit.

    (Refer to Hybrid Control System - "High Voltage Shut-off Procedures")

  3. Remove the high voltage rear cover (A) after loosening the mounting bolts.

High Voltage Battery Rear Cover mounting bolt : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Remove the rear outlet cooling duct (B) after loosening bolts.

Rear Outlet Cooling Duct mounting bolt : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Remove the cooling fan #2 connector (A).

  1. Remove the cooling fan #2 (A) after loosening the mounting bolts.

Cooling Fan #2 mounting bolt : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

  1. Disconnect the BMS ECU connector (A).

  1. Disconnect the high voltage cable connector (A) and BMS wiring harness connector (B) connected the main high voltage battery.

  1. Remove the sub high voltage battery system assembly mounting bolts (A).

Sub High Voltage Battery System Assembly mounting bolt : 54.9 - 82.4 N*m (5.6 - 8.4 kgf*m, 40.5 - 60.8 lb*ft)

  1. Remove the sub high voltage batter system assembly (A).

Warning

Warning

Refer to the instructions below when removing the sub high voltage battery system because of tiny places to remove. Be careful not to damage on the interior trim or rear bumper when removing the battery.

  1. Push the sub high votlage battery system assembly (A) to the right as much as possible.

  1. Remove the high voltage battery system assembly from left side.

Installation

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 read and follow the "High Voltage Shut-off Procedures" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
  1. Install the high voltage battery pack in the reverse order of removal.

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