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: Rear Coil Spring. Repair procedures

Removal1.Loosen the wheel nuts slightly.Raise the vehicle, and make sure it is securely supported.2.Remove the rear wheel and tire (A) from the rear hub. Tightening torque : 107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)    • Be careful not to damage the hub bolts when removing the rear wheel and tire (A)...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Rear Glass Defogger Printed Heater. Repair procedures

Inspection    • Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply finger pressure on the tin foil, moving the tin foil along the grid line to check for open circuits...