KIA Niro: Resolver Sensor | Motor Temperature Sensor
Description
The accurate position of the rotor must be known at all times to ensure maximum output control of the motor.

Part Circuit Diagram
Hybrid Drive Motor

HSG

Resolver Sensor Repair procedures
Inspection
Hybrid Drive Motor
- 1. Inspect the resolver sensor resistance.


- If the resolver sensor needs to be replaced, replace the hybrid drive motor assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Drive Motor Assembly")
Hybrid Starter Generator (HSG)
- Inspect the resolver sensor resistance.


- If the resolver sensor needs to be replaced, replace the HSG assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Starter Generator")
Resolver Calibration
Perform the resolver calibration using the KDS after replacing or reinstalling the below components.
- Hybrid Drive Motor installation
- Hybrid Starter Generator (HSG) installation
- Motor Control Unit (MCU) replacement
- Engine clutch system replacement

Motor Temperature Sensor
Description
Temperature of the motor largely influences the motor output. Hence, when the motor is overheated,
major components such as the IPM or stator coil may get damaged or affected. To prevent this, a
motor temperature sensor is embedded in the motor to control the motor torque according to its
temperature.
Part Circuit Diagram
Hybrid Drive Motor

HSG

Motor Temperature Sensor Repair procedures
Inspection
Hybrid Drive Motor
- Inspect the temperature sensor resistance.


- If the temperature sensor needs to be replaced, replace the hybrid drive motor assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Drive Motor Assembly")
Hybrid Starter Generator (HSG)
- Inspect the temperature sensor resistance.


- If the temperature sensor needs to be replaced, replace the HSG assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Starter Generator")
READ NEXT:
Hybrid Motor Cooling System
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
Radiator Repair procedures
Removal
Disconnect the negative (-) cable of the 12V battery.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
Drain the coolant of hybrid motor cooling system.
(Refer to Hybrid Motor Cooli
SEE MORE:
Charging door (Kia Niro EV)
Opening the charging door
Operation
Press the right center edge of the
charging door.
The charging door is not open when
the vehicle is locked.
Closing the charging door
Operation
Close the charging door by pressing
rear
Replacing the key battery
Operation
Pry open the key cover gently.
Replace the old battery with a new
battery.
WARNING
THIS PRODUCT CONTAINS A BUTTON
BATTERY
If swallowed, a lithium button battery
can cause severe or fatal injuries within
2 hours.
Keep
Categories
- Home
- KIA Niro EV, Hybrid - Second generation - (SG2) (2021-2024) - Owner's manual
- Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual
- Contact Us
