Hyundai Ioniq (AE): Hybrid Motor Cooling System / Specifications
| Specifications |
| Coolant | Specified coolant | LLC - 10 |
| Quantity | Approx. 3.2L (0.85 US gal, 3.38 US qt, 2.82 lmp qt.) |
Description• Various devices containing semiconductor are used in HPCU.And heat is generated when the HPCU operates.• These devices are connected to the high voltage directly and cause heat hotter than the electrical devices of an internal combustion engine.
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.
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 Core. Repair procedures
Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Loosen the mounting screws and remove the driver's temperature control actuator (A).4.Remove the heater core cover (A) after loosening the mounting screws.
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