KIA Niro: Hybrid Motor Cooling System
Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Service Highlight / Hybrid Motor Cooling System
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Electric Water Pump (EWP) Repair procedures
Description
The Hybrid Power Control Unit (HPCU) uses various semiconductors that are
supplied with high voltage, hence generating
more heat than engine combustion devices. Overheating can decrease the
efficiency of control devices, restrict pr
Refilling And Bleeding
Warning
Never remove the cap when the engine is hot. Serious scalding could
be caused by hot fluid under high pressure escaping
from the reservoir.
Warning
When pouring inverter coolant, be sure to shut the relay box lid to
prevent spilling c
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Before Troubleshooting
Check applicable fuses in the appropriate fuse/relay box.
Check the battery for damage, state of charge, cleanliness and tight
connections.
(Refer to Engine Electrical System - "Battery")
Warning
Do not quick-charge a batte
Inhibitor Switch Repair procedures
Inspection
Warning
Inspect the following items by referring to inspection flow chart.
(Refer to Inhibitor Switch - "Troubleshooting")
Check the diagnostic trouble codes (DTC) using KDS.
Inspect if "N" range setting matc
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