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: PWM Blower Module Repair procedures


Inspection 1. Ignition "ON" 2. Manually operate the control switch and measure the voltage of blower motor. 3. Select the control switch to raise voltage until high speed. BLOWER speedManual VoltageAuto Voltage13.4Auto Low(4.5V)24.64.5~5.535.95.6~6.747.26.8~7.758.37.8~8.969.59.0~10.1711.310.2~11.38B+? ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Input Speed Sensor Specifications


Specifications Type: Hall effect sensor Operation condition (°C)°F((-)40 ~ 150)) -40 ~ 302Air gap(mm)in.(0.95~1.65) 0.037 ~ 0.065 Output voltage(V)High1.18 ~ 1.68Low0.59 ~ 0.84 ...

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