Hyundai Ioniq: AHB(Active Hydraulic Boost) System / Hydraulic Power Unit. Components and components location

Brake Actuation Unit. Repair procedures

Removal 1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Disconnector TCM connector (A).3.Disconnector TCM connector (B).4.Loosen the bolt & nut (A) then remove the ECM, TCM with bracket (B)...

Hydraulic Power Unit. Repair procedures

Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the wiring bracket.3.Remove the brake fluid from the reservoir with a syringe...

Other information:

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

Troubleshooting Error Item Failure symptom Inspection items Detailed inspections Relevant Parts/ Components Screen displayTFT-LCD screen does not turn on1)Connector attachments2)Components1)Check the connector attachments2)Check B+, IGN and GND wiring3)Check the components Connectors, wiring, fuses, dashboardWarning lightAirbag warning lamp malfunction1)Connector attachments2)C-CAN3)Components1)Check airbag + signal (connectors)2)Check C-CAN (ACU4) signal3)Check the FPC attachment inside the dashboardACU Connectors, wiring, fuses, dashboardMode conversionIntegrated driving mode malfunction1)Connector attachments2)Switch3)Components1)Check the switch input (connector)2)Check the switch signal input(disconnection or shorting)3)Check conversion with dashboard componentSwitch connector, wiring dashboardIlluminationInterior light brightness cannot be controlled...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Heater Unit. Repair procedures

Replacement    When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station...