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.
- Turn ignition switch OFF and disconnect the negative (-) battery terminal.
- Shut off the high voltage circuit.
(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")
- 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)
- 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)
- Disconnect the BMS connector (A).
- 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
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.
- 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:
Displaying operating status
You can see the status of the Smart
Cruise Control operation in the Driving
Assist view on the cluster. Refer to "LCD
display modes"
Smart Cruise Control will be displayed as
below depending on the status of the
function.
Operating
Safe use of the Tire Mobility Kit
Stop the vehicle in a safe, level place
away from traffic.
Set the parking brake.
Only use the Tire Mobility Kit for sealing/
inflating passenger vehicle tires.
Do not remove any foreign objects
from the tire.
Read the precautionary
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