The Hyundai Ioniq AE (2017-2022) combines eco-friendly hybrid or electric efficiency with practical liftback versatility. Available as hybrid, plug-in hybrid or fully electric, the Ioniq AE offers outstanding fuel economy or zero-emission driving, along with a modern design, compact dimensions and roomy five-door usability — a perfect choice for city commuting or sustainable everyday transport. :contentReference[oaicite:1]{index=1}
On this page you’ll find a comprehensive collection of service and repair manuals, wiring diagrams, workshop guides and maintenance instructions for the Ioniq AE. Whether you plan regular maintenance, troubleshoot an issue, or perform detailed repairs — these manuals deliver clear step-by-step procedures, technical specifications and diagnostic data to help you keep your vehicle in optimal condition over many years of service. :contentReference[oaicite:2]{index=2}

When the high voltage battery is discharged, when the 12-volt battery is discharged, or when the fuel tank is empty, the hybrid system may not operate while driving.
Inspection1.Turn the ignition switch OFF.2.Disconnect the mode control actuator connector.3.Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.Verify that the mode control actuator operates to the vent mode when connected in reverse.
Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se