Checking the Mechanical Operation of the Flap
Checking The Mechanical Operation Of The Flap
^ Turn the ignition switch to the OFF position.
^ Wait for 10 seconds.
^ Open and close the flap valve by hand.
^ The flap valve should not bind in any position.
^ The spring should return the flap valve to the stop screw.
^ No external objects, hoses, cables, etc. must obstruct the movement of the throttle arm.
Is the function correct?
NO ^ Continue With Checking The Mechanical Operation Of The Flap
YES ^ Checking the Control Module's Flap Motor Output
Can the fault be rectified without changing the throttle body?
NO ^ Changing Components
YES ^ Diagnostic Procedure