Hyundai Ioniq: Hybrid Control System / Hybrid Control System

Troubleshooting

Basic TroubleshootingBasic Inspection ProcedureMeasuring Condition of Electronic Parts' ResistanceThe measured resistance at high temperature after vehicle running may be high or low...

Description and operation

DescriptionThe HCU (Hybrid Control Unit) controls whole hybrid systems and is connected with each control modules (ECM, TCM, MCU, BMS ECU etc.) by CAN interface...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Description and operation

DescriptionThe AAF (Active Air Flap) is located between radiator grille and radiator, and consists of an actuator and 6 air flaps. The system receives information from EMS, FATC, TCU, MCU and LDC via CAN communication . With this information, the AAF controls the motor properly and then the air flaps adjust air flow from the radiator grille...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Troubleshooting

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