Hyundai Ioniq (AE): Hybrid Motor Control System / Motor Control Unit(MCU). Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Motor System / Hybrid Motor Control System / Motor Control Unit(MCU). Repair procedures

Removal

•	MCU is integrated with HPCU. Therefore, to install / remove the MCU, follow the procedure for installing / removing the HPCU. (Refer to Hybrid Control System - "HPCU (Hybrid Power Control Unit)".)

•	You need to perform resolver compensation whenever the engine, HPCU, drive motor, or starter generator (HSG) is replaced, removed, or reinstalled. Perform compensation according to the GDS motor / HSG resolver compensation procedure shown below.

GDS Motor/HSG Resolver Compensation Procedure

❮Motor Control Unit(MCU). Schematic diagrams

Diagram System CircuitA high-capacity power module is applied to the two high-voltage motors.The power module consists of a high - speed switching circuit that is isolated from the IGBT and DIODE circuits.

Resolver Sensor. Description and operation❯

Description• To efficiently control the drive motor, you need to know the absolute location of a motor rotor (permanent magnet).• Resolver detects the absolute location of the motor rotor.

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Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Photo Sensor. Description and operation

Description The photo sensor is located at the center of the defrost nozzles.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control

Hyundai Ioniq (AE): Hybrid Motor Control System / Motor Control Unit(MCU). Repair procedures

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Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Photo Sensor. Description and operation

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