Kia Optima Hybrid: 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 1. Remove the front bumper. (Refer to BD group - "Front bumper") 2. Remove the headlamps. (Refer to BE group - "Headlamps") 3. Remove the air guards (A). 4. Unfasten the 2 bolts (A) and 2 fasteners ...

Lubrication System

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Hands Free Switch Repair procedures


Inspection 1. Check the hands free remote control switch for resistance between terminals in each switch position. [Audio/ Bluetooth] [Voice recognition] [Bluetooth] SwitchConnectorterminalResistance(±5%)Send2-718.91k?End of call2-740.91k? [Voice recognition] SwitchConnector terminalResistance(±5%)VoiceAudio/ ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Exhaust Manifold Repair procedures


Removal and Installation 1. Remove the engine cover. 2. Disconnect the battery negative terminal. Tightening torque: 4.0 ~ 6.0N.m (0.4 ~ 0.6kgf.m, 3.0 ~ 4.4lb-ft) 3. Disconnect the oxygen sensor connectors (A). 4. Remove the front muffler (A). Tightening torque: 39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ...

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