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 DIAGNOSISBRAKESTRACTION CONTROLVSA (VEHICLE STABILITY ASSIST) SYSTEM COMPONENTSSYMPTOM TROUBLESHOOTING INDEX
2009 Honda S2000 Base
Symptom Troubleshooting Index
2009 Honda S2000 BaseSECTION Symptom Troubleshooting Index
When the vehicle has one of these symptoms, check for VSA diagnostic trouble codes (DTCs) with the HDS. If there are no DTCs, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.
SYMPTOM TROUBLESHOOTING INDEX
| Symptom | Diagnostic procedure |
|---|---|
| HDS does not communicate with the VSA modulator-control unit or the vehicle | Troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ) |
| ABS indicator does not come on | Symptom Troubleshooting (see SYMPTOM TROUBLESHOOTING ) |
| ABS indicator does not go off, and no DTCs are stored | Symptom Troubleshooting (see ABS INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED ) |
| Brake system indicator does not come on | Symptom Troubleshooting (see BRAKE SYSTEM INDICATOR DOES NOT COME ON ) |
| Brake system indicator does not go off, and no DTCs are stored | Symptom Troubleshooting (see BRAKE SYSTEM INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED ) |
| VSA indicator does not come on | Symptom Troubleshooting (see VSA INDICATOR DOES NOT COME ON ) |
| VSA indicator does not go off, and no DTCs are stored | Symptom Troubleshooting (see VSA INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED ) |
| VSA activation indicator does not come on at startup (bulb check) | Symptom Troubleshooting (see VSA ACTIVATION INDICATOR DOES NOT COME ON AT START-UP (BULB CHECK) ) |
| VSA activation indicator does not go off, and no DTCs are stored | Symptom Troubleshooting (see VSA ACTIVATION INDICATOR DOES NOT COME ON AT START-UP (BULB CHECK) ) |
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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.