Power Mirror Defogger
WARNING: This page is about a different car, the 2003 Acura 3.2TL and 2002 Acura 3.2TL. However, it is still accessible from the selected car via links, so may be relevant.
Remove appropriate door panel. See DOOR PANEL under REMOVAL & INSTALLATION. Disconnect power mirror harness connector. See Figure . Using DVOM, check for continuity between mirror connector terminals No. 4 and 5. If continuity does not exist, replace power mirror defogger.