KIA Niro: Resolver Sensor Repair procedures | Motor Temperature Sensor Repair procedures

Kia Niro - First generation - (2017-2022) - Service and Repair Manual / Service Highlight / Hybrid Motor Control System / Resolver Sensor Repair procedures | Motor Temperature Sensor Repair procedures

Inspection

Hybrid Drive Motor

  1. Inspect the resolver sensor resistance.

  1. 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.

  1. 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 Repair procedures

Motor Temperature Sensor Repair procedures

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

HSG

Motor Temperature Sensor Repair procedures

Motor Temperature Sensor Repair procedures

Inspection

Hybrid Drive Motor

  1. Inspect the temperature sensor resistance.

  1. 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)

  1. Inspect the temperature sensor resistance.

  1. If the temperature sensor needs to be replaced, replace the HSG assembly.

     

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

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