VSA Off Switch
WARNING: This page is about a different car, the 2003 Acura 3.2CL and 2002 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.
Remove the cruise control/VSA off switch from the switch panel. See Fig 1 . Check the continuity between terminals No. 5 and 6. There should be continuity when the VSA off switch is pushed.