KIA Niro: 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.

(2) Remove the high voltage battery system assembly from left side.

(2) 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.

Disassembly

    READ NEXT:

     Battery Pack Assembly Repair procedures

    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

     High Voltage Battery Module Balancing & Voltage Measurement

    After removing the defective module from the HV battery pack make carefully a visual check and then put back it into the safety disposal box. Warning The cell quantity varies per module number. Check before conducting procedure.

     Power Relay Assembly (PRA)

    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

    SEE MORE:

     Body Control Module (BCM) / Repair Procedures

    Removal Disconnect the negative (-) battery terminal. Remove the glove box housing. (Refer to Body - "Glove Box Housing") Disconnect the blower motor connector (A). Disconnect the body control module connectors (A).

     Battery Current Sensor

    Specification Battery Current Sensor Specification Description Battery Current Sensor is integrated into the Power Relay Assembly (PRA) and measures the current of the high voltage battery during charging or discharging. Installation

    Categories