Hyundai Ioniq (AE): Hybrid Motor Control System / Motor Temperature Sensor. Description and operation

Description
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Motor temperature affects the motor power significantly.
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If the motor overheats, its main components, including permanent magnet, stator coil, etc., may be damaged, negatively affecting the operation of the drive motor.
To prevent this, a temperature sensor is installed to determine the overheat of the motor and control the motor torque.

    Inspection1.Check the resolver sensor resistance. [Hybrid drive motor] Measuring equipment: Multimeter Category Inspection area Inspection criteria Remarks Resistance(Resolversensor)Pin 1 - 511.

    Circuit DiagramTemperature sensor (hybrid drive motor)Resolver sensor (HSG)

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Schematic diagrams

    Trouble Symptom ChartsComponent Parts and Function Outline Component part Function Cruise Control Switch Input the set speed and distance to the SCC ECU. Instrument Cluster Display various information inputted from SCC.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the tailgate lid trim.(Refer to Body - "TailGate Lid Trim")3.Disconnect the Rear view camera connector (A).4.Remove the Rear view camera assembly after loosening the mounting screws.Installation1.

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