WARNING: This page is about a different car, the 2009 Honda S2000, 2008 Honda S2000, 2007 Honda S2000, and 2006 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the MAP sensor 3P connector (A).
Fig 1: MAP Sensor 3P Connector With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the bolt (B).
Remove the MAP sensor (C).
Install the parts in the reverse order of removal with a new O-ring (D).