Kia Niro: Cooling System / Active Air Flap (AAF) Troubleshooting

Troubleshooting
Symptoms
Possible Causes
Remedy
Warning illuminated
"Check active air flap system"
Active Air Flap System Fail
(Flap stuck)
• Inspect the flap and remove the foreign substance
• Check the Active Air Flap assembly 
• Repair or replace as required
Actuator Fault
Replace the actuator
Malfunction Indicating Lamp On
Linkage damage
Replace the linkage
Active Air Flap System Fail
(Flap stuck)
• Inspect the flap and remove the foreign substance 
• Check the Active Air Flap assembly 
• Repair or replace as required
Actuator Fault
Replace the actuator

※ After performing repairs, clear Diagnostic Trouble Codes (DTC) and check the warning and Malfunction Indicating Lamp.

Active Air Flap (AAF) Repair procedures
Removal and Installation 1. Remove the air duct. (Refer to Intake and Exhaust System - "Air Cleaner") 2. Remove the front bumper cov ...

Cylinder Block
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Other information:

Kia Niro 2017 (DE HEV) Service Manual: Radiator Components and components location
Components 1. Reservoir tank 2. Radiator reservoir hose & pipe 3. Radiator 4. Radiator upper hose 5. Radiator lower hose 6. Radiator upper bracket [RH] 7. Radiator upper bracket [LH] 8. Radiator lower mounting insulator [RH] 9 ...

Kia Niro 2017 (DE HEV) Service Manual: Description and operation
System Configuration PAS consists of 8 sensors (4 in the front and 4 in the rear) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IPM (BCM) via LIN communication. IPM (BCM) decides the alarm level by the tr ...

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