ECM Idle Learn Procedure: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Honda S2000, 2004 Honda S2000, 2003 Honda S2000, 2002 Honda S2000, and 2001 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.

Make sure all electrical items (A/C, audio, rear window defogger, lights, etc.) are off.
Start the engine. Hold the engine speed at 3,000 RPM without load (in neutral) until the radiator fan comes on, or the engine coolant temperature reaches 176 °F (80 °C)-212 °F (100 °C).
Let the engine idle for about 5 minutes with the throttle fully closed and with all electrical items off.

NOTE: If the radiator fan comes on, do not include its running time in the 5 minutes.