Hyundai Ioniq (AE): Hybrid Motor Cooling System / Electric Water Pump(EWP). Description and operation
| Description |
| • | Function : It circulates the coolant for the hybrid system (HPCU, drive motor, and HSG). |
| • | Operating Principles: When the coolant temperature exceeds the limit set in the MCU in the hybrid system, the motor control unit (MCU) sends a command to the electric water pump (EWP) through the CAN communication to operate the EWP. EWP then sends its operation status to MCU through the CAN communication.
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Specifications Cooling system CoolantSpecified coolant LLC - 10 Quantity Approx. 3.2L (0.85 US gal, 3.38 US qt, 2.82 lmp qt.)
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: Intake Actuator. Repair procedures
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.
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Description and operation
Cruise ControlThe cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed.It also has a safety interrupt, engaged upon depressing brake or shifting select lever.
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