General Information

Active Air Flap
P1235 Active Air Flap System Fail - General Information

Component Location





Gerneral Description

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 temperature rise is to be a concern if the components overheat the engine room.
it opened the flap function to lower the internal temperature.

DTC Description

The A.A.F(=Active Air Flap) actuator(The Control Module) sets DTC P1235 and turns the MIL Lamp ON if the driving voltage of AAF can not reach to more than 0.1V for the designated time or linkage can not open / close AAF flap.

DTC Detecting Condition





Diagnostic Diagram