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
SEE MORE:
Electrical Circuit Inspection Procedure
Check Open Circuit
Procedures for Open Circuit
Continuity Check
Voltage Check
If an open circuit occurs (as seen in (FIG. 1)), it can be found by
performing Step 2 (Continuity Check
Method) or Step 3 (Voltage Check Method) as s
Hybrid Control System / Components And Components Location
HPCU (Hybrid Power Control Unit)
On-Board Charger (OBC)
Charge Port
Power Cable (HPCU↔HSG,Electronic A/C
Compressor)
Power Cable (HPCU↔Main High Voltage Battery System)
Power Cable (Main High Voltage Battery System â
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