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 DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING/AIR CONDITIONINGDTC TROUBLESHOOTING INDEX
2009 Honda S2000 Base
DTC Troubleshooting Index
2009 Honda S2000 BaseSECTION DTC Troubleshooting Index
DTC TROUBLESHOOTING INDEX
| DTC (Recirculation Indicator Blinks) | Detection Item |
|---|---|
| 1 | A problem in the air mix control motor circuit |
| 2 | A problem in the mode control motor circuit |
| 3 | A problem in the blower motor circuit |
| 4 | A problem in the evaporator temperature sensor circuit |
- In case of multiple problems, the recirculation indicator will indicate only the DTC with the least number of blinks.
- In case of an intermittent failure, the heater control panel will store the DTC until the ignition switch to LOCK (0).
RENDER: 1.0x
NO RELATED
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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.