Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2009S2000 BASEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISINTAKE AIR SYSTEMTHROTTLE BODY TESTTHROTTLE POSITION LEARNING CHECK
2009 Honda S2000 Base
Throttle Position Learning Check
2009 Honda S2000 BaseSECTION Throttle Position Learning Check
- Connect the HDS to the data link connector (DLC) (A) located behind under the driver's side of the front console.
- Turn the ignition switch ON (II).
- Make sure the HDS communicates with the vehicle and the ECM. If it doesn't, go to DLC CIRCUIT TROUBLESHOOTING .
- Select the INSPECTION MENU with the HDS.
- Do the TP LEARNING CHECK in the ETCS TEST. If needed, clean the throttle body (see THROTTLE BODY CLEANING ).
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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.