ECM Idle Learn Procedure: Procedure

2009 Honda S2000 BaseSECTION 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.
  1. Make sure all electrical items (A/C, audio, rear window defogger, lights, etc.) are off.
  2. 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).
  3. 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.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.