Hyundai Ioniq (AE): Hybrid Motor Assembly / Description and operation

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Motor System / Hybrid Motor Assembly / Description and operation

Description
Hybrid motor system is equipped with two electric motors.
These motors include the drive motor and the HSG that plays the role of starter motor and alternator (generator).
The drive motor moves the vehicle, reduces the noise, vibration and harshness (NVH), and improves fuel efficiency.
The drive motor supplements the engine power when the driver press the accelerator pedal or when the vehicle is running in the fuel efficiency mode.
In addition, the drive motor plays the role of an alternator (generator) when decelerating or braking to charge the high-voltage battery.
The HSG performs restart/cold start of the engine while the vehicle is running, or charges the high-voltage battery.

Power Flow

    Component location1. HPCU (Hybrid Power Control Unit)(LDC+MCU+HCU+Reservoir)2. Hybrid drive motor3. Hybrid starter generator (HSG)4. Electrical radiator5.

    Other information:

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

    Self Diagnosis1.Self-diagnosis process.    â€¢ When operating the self-diagnostics, the below fault (self-diagnostics code) will blink at 0.5 seconds interval on the temperature display settings (driver's side only) and the remaining symbols are OFF .

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

    RemovalWarning Indicator1.Disconnect the negative (-) battery terminal.2.Remove the mirror (A).InstallationWarning Indicator1.Install the outside mirror.2.Connect the negative (-) battery terminal.Inspection1.Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly.

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