KIA Niro: Main High Voltage Battery Case
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Hybrid Control System / Main High Voltage Battery Case
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Main High Voltage Battery Front Cover | Sub High Voltage Battery upper Cover
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 inj
Main/ Sub High Voltage Battery
Main High Voltage Battery
Power Relay Assembly (PRA)
Cell Monitoring Unit (CMU)
Battery Temperature Sensor
Runaway Arresting Device (RAD)
Warning
Main Relays (Positive, Negative), Pre-Charge Relay, Pre-Charge
Resistor, and Battery
SEE MORE:
Replacing main/multi fuses
Operation
Turn off the vehicle.
Remove the fuse panel cover by
pressing the tab and pulling the cover
up.
Disconnect the negative battery cable.
Remove the nuts shown in the picture
above.
Replace the fuse with a new one of
th
Coolant
Check the condition and connections of
all the cooling system hoses and heater
hoses. Replace any swollen or deteriorated
hoses.
The coolant level should be filled
between the MAX or F and the MIN or L
marks on the side of the coolant reser
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