WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the MAP sensor connector (A).
Fig 1: Identifying MAP Sensor With Screw And Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the screw (B).
Remove the MAP sensor (C).
Install the parts in the reverse order of removal with a new O-ring (D).