KIA Niro: Sub High Voltage Battery - Removal

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Service Highlight / Power Relay Assembly (PRA) / Sub High Voltage Battery - Removal

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. 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 sub high voltage battery 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 sub high voltage battery cover (A) after loosening the mounting bolts.

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

  1. Disconnect the BMS connector (A).
  2. Remove the BMS ECU after loosening the mounting nuts (B).

BMS ECU mounting nut : 7.8 - 11.8 N*m (0.8 - 1.2 kgf*m, 5.8 - 8.7 lb*ft)

Installation

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 BMS ECU in the reverse order of removal.

    READ NEXT:

     Safety Plug Description and operation

    Description Safety Plug is installed on the rear side of the high voltage battery and it can mechanically shut the high voltage circuit off when servicing the high voltage system. (i.e. High Voltage Battery, Power Relay Assembly, HPCU, BMS ECU

     The Power Relay Assembly

    Description The Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor. It is located inside the battery pack assembly and controls the high voltage power c

     High Voltage Battery Cooling

    Component Location Cooling Fan #1 Cooling Fan #2 Main High Voltage Battery Cooling Duct (Inlet) Main High Voltage Battery Cooling Duct (Outlet) Sub High Voltage Battery Cooling Duct (Inlet) Sub High Voltage Battery Cooling Duct (Ou

    SEE MORE:

     Front Wheel Speed Sensor

    Front Wheel Speed Sensor Components and components location Front wheel speed sensor Front wheel speed sensor cable Front Wheel Speed Sensor Repair procedures Removal Remove the tire. Tightening torque: 107.9 - 127.5 N*m (11.0 -

     Front / Rear Outlet Cooling Duct

    Front Outlet Cooling Duct Switch "OFF" the ignition and disconnect the negative (-) terminal of the auxiliary 12V battery. Shut off the high voltage circuit. (Refer to Hybrid Control System - "High Voltage Shutoff Procedure")

    Categories

    2022-2026 © - www.infoniro.com | Policy