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
...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Air Conditioner Refrigerant/Compressor Repair procedures
Refrigerant Recovery Use only U.L.-listed service equipment certified to meet the requirements of SAE J2210 when removing HFC-134a (R-134a) from the air conditioning system.    • Air conditio ...

Kia Niro 2017 (DE HEV) Service Manual: Motor Temperature Sensor Circuit diagram
Part Circuit Diagram [Hybrid Drive Motor] [HSG] ...

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