A.A.F(=Active Air Flap) system is equipped with a flip can be opened between radiator grille and radiator.
During High speed driving, it will enhance the driving stability by closing the flap to reduce the air resistance.
Inside the engine room, the temp
The A.A.F(=Active Air Flap) Actuator sets DTC P1237 and turns warning lamp ON If the detected driving voltage is higher than 4.9V.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
A.A.F operating voltage detection | 1. A.A.F Actuator |
Enable conditions |
•
IG " ON " | |
Threshold value |
•
When feed back voltage of actuator driving voltage is higher than 4.9V | |
Diagnosis time |
•
continuous | |
DTC clear time |
•
After the system recovers the normal status and then keeps 40 WUC(Warm Up Cycle) times, it is possible to delete the DTC. |
