Circuit Test

WARNING: This page is about a different car, the 2005 Acura NSX, 2004 Acura NSX, 2003 Acura NSX, and 2002 Acura NSX. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect 8-pin harness connector from Ignition Control Module (ICM). ICM is located below throttle body. See Fig 1 .

Fig 1: Locating Ignition Components
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Inspect harness connectors. Repair as necessary.
Check for continuity and voltage as indicated. See Fig 2 . If any problem is found, repair as necessary. If no problem is found, replace ICM.

Fig 2: Testing Ignition Control Module Inputs
Courtesy of AMERICAN HONDA MOTOR CO., INC.