PCM Idle Learn Procedure: Procedure

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. 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.
Reset the PCM with the HDS.
Turn the ignition switch ON (II), and wait 2 seconds.
Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194°F (90°C).
Let the engine idle for about 5 minutes with the throttle fully closed.
NOTE: If the radiator fan comes on, do not include its running time in the 5 minutes.