ECM/PCM Idle Learn Procedure: Procedure

WARNING: This page is about a different car, the 2006 Honda CR-V and 2005 Honda CR-V. 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 ECM/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 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.