Activating intake manifold tuning (IMT) valve 2 -N261-

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

(test does not apply to S8 vehicles)

Press --> button.
Indicated on display:

Fig 1: VAG1551 Scan Tool Display - Output Diagnostic Test Mode: Engine Code AYS (Intake Manifold Tuning Valve 2 -N261-)
Courtesy of AUDI OF AMERICA, INC.

Solenoid valve must click.

If the solenoid valve is not activated (does not click):.

Intake manifold tuning (IMT) valve -2- -N261-, checking