Intake Manifold Runner Control System: MDX
WARNING: This page is about a different car, the 2004 Acura 3.5RL, 2003 Acura 3.5RL, 2003 Acura 3.2TL, and 2003 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.
See DIAGNOSTIC TESTS for DTC P1077 & DTC P1078: IMRC CONTROL SYSTEM MALFUNCTION in SELF-DIAGNOSTICS - MDX article.