Kia Niro: Hybrid Motor Control System / Resolver Sensor Repair procedures

Inspection

Hybrid Drive Motor

1.

Inspect the resolver sensor resistance.

Item
Pin
Specification
Remarks
Resistance
(Resolver sensor)
1 - 5
11.7 Ω ± 10 %
At room temperature 68°F (20°C)
2 - 6
34.5 Ω ± 10 %
3 - 7
29.5 Ω ± 10 %

2.

If the resolver sensor need to be replaced, hybrid drive motor assembly should be replaced.

(Refer to Hybrid Motor Assembly - "Hybrid Drive Motor Assembly")

Hybrid Starter Generator (HSG)

1.

Inspect the resolver sensor resistance.

Item
Pin
Specification
Remarks
Resistance
(Resolver sensor)
1 - 4
13.8 - 17.8 Ω
At room temperature 68°F (20°C)
2 - 5
26.2 - 30.2 Ω
3 - 6
26.2 - 30.2 Ω

2.

If the resolver sensor need to be replaced, HSG assembly should be replaced.

(Refer to Hybrid Motor Assembly - "Hybrid Starter Generator")

Resolver Calibration

Perform the resolver calibration using the KDS / GDS 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

Resolver Sensor Schematic diagrams
Part Circuit Diagram [Hybrid Drive Motor] [HSG] ...

Motor Temperature Sensor Description and operation
Description The motor temperature has the large effect on the motor output. When the motor over heats, it’s IPM and stator coil may deform and their performance may be affected. To ...

Other information:

Kia Niro (DE HEV) Owners Manual: USB charger
The USB charger is designed to recharge batteries of small size electrical devices using a USB cable.The electrical devices can be recharged when the Engine Start/Stop button is in ACC/ON/START position. The battery charging state may be monitored on the electrical device. Disconnect the USB ...

Kia Niro 2017 (DE HEV) Service Manual: Hybrid Drive Motor Assembly Specification
Specification Item Specification Type PMSM (Interior Permanent Magnet Synchronous Motor) Max. output 32 kW / 1798 - 2500 rpm Max. torque 170 N·m / 0 - 1798 ...

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