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 MANUALSHONDA2008CIVIC SI, 4D SEDANREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWARNING SYSTEMSTIRE PRESSURE MONITORING SYSTEM (EXCEPT HYBRID)SYMPTOM TROUBLESHOOTING INDEX
2008 Honda Civic Si, 4D Sedan
Symptom Troubleshooting Index
2008 Honda Civic Si, 4D SedanSECTION Symptom Troubleshooting Index
SYMPTOM TROUBLESHOOTING CHART
| Symptom | Diagnostic procedure |
|---|---|
| HDS does not communicate with the TPMS control unit or the vehicle | Troubleshooting the DLC circuit: Except Si model (see DLC CIRCUIT TROUBLESHOOTING ), Si model (see DLC CIRCUIT TROUBLESHOOTING ) |
| Low tire pressure indicator does not come on, and no DTCs are stored | Symptom Troubleshooting (see LOW TIRE PRESSURE INDICATOR DOES NOT COME ON, AND NO DTCS ARE STORED ) |
| Low tire pressure indicator does not go off, and no DTCs are stored | Symptom Troubleshooting (see LOW TIRE PRESSURE INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED ) |
| TPMS indicator does not come on, and no DTCs are stored | Symptom Troubleshooting (see TPMS INDICATOR DOES NOT COME ON, AND NO DTCS ARE STORED ) |
| TPMS indicator does not go off, and no DTCs are stored | Symptom Troubleshooting (see TPMS INDICATOR DOES NOT COME ON, AND NO DTCS ARE STORED ) |
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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.