Hyundai Ioniq (AE): Cooling System / Active Air Flap (AAF)

Troubleshooting Symptoms Possible Causes Remedy Coolant leakage• From the thermostat gasketCheck the mounting bolts• Check the torque of the mounting bolts• Retighten the bolts and check leakage again.

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 .

Other information:

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Components and components location

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Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defoging Actuator. Repair procedures

Inspection1.Turn the ignition switch OFF. 2.Disconnect the auto defogging connector. 3.Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.

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