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: Ambient Temperature Sensor. Repair procedures

Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Warning Indicator. Components and components location

C

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