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:

     Auto reverse function (if equipped)

    The outside rear view mirror will move downwards when the vehicle is in R (Reverse) position to assist reverse parking. Operation The outside rear view mirror switch (1) position determines the mirror movement: L/R: Outside rear view mir

     Resolver Sensor | Motor Temperature Sensor

    Description The accurate position of the rotor must be known at all times to ensure maximum output control of the motor. Part Circuit Diagram Hybrid Drive Motor HSG Resolver Sensor Repair procedures Inspection Hybrid Drive Motor

    Categories

    2022-2025 © - www.infoniro.com | Policy