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: Photo Sensor. Repair procedures

    Inspection1.Turn the ignition switch ON.2.Connect the GDS.3.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.4.The voltage will rise with higher intensive light and reduce with lower intensive light.1. Auto light signal2.

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

    Replacement    When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.

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