WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect IAT sensor 1 2P connector (A).
Fig 1: Disconnecting IAT Sensor 1 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the clip (B) and IAT sensor 1 (C).
Install the sensor in the reverse order of removal.