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

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Motor System / Hybrid Motor Control System / Motor Temperature Sensor. Description and operation

Description
•
Motor temperature affects the motor power significantly.
•
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)

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    Inspection1.Turn the ignition switch OFF.2.Disconnect the intake actuator connector.3.Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4.Verify that the intake actuator operates to the recirculation position when connected in reverse.

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