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 needs to be replaced, replace the hybrid drive motor assembly.

(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 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/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 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 affec ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: General information
Identifying a Kia Niro "Eco Hybrid" logo on tail gate The Kia Niro can be easily identified by the "Eco Hybrid" logo attached on the tail gate.    Electrocution Risk The hybrid logo can becom ...

Kia Niro 2017 (DE HEV) Service Manual: Temperature Control Actuator Repair procedures
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