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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 477 (SUPPLEMENTAL RESTRAINT SYSTEM - DIAGNOSTICS)PROBLEM SYMPTOMS TABLE
2004 Toyota Matrix XR, FWD, Standard
Problem Symptoms Table
2004 Toyota Matrix XR, FWD, StandardSECTION Problem Symptoms Table
WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
Proceed with troubleshooting of each circuit in SRS PROBLEM SYMPTOMS .
SRS PROBLEM SYMPTOMS
| Symptom | Suspected Area | See |
|---|---|---|
| When the ignition switch is in the ON position, the SRS warning light sometimes turns on after approximately 6 seconds. | SRS warning light circuit malfunction (Always turns on when DTC is not output) | SRS Warning Light Circuit Malfunction (does not light up, when ignition switch is turned to on) |
| SRS warning light always turns on even when DTC is not output. | SRS warning light circuit malfunction (Always turns on when DTC is not output) | |
| With the ignition switch in the ON position, the SRS warning light does not turn on. | SRS warning light circuit malfunction (Does not turn on when ignition switch is turned to the ON position). | TC Terminal Circuit |
| Although SRS warning light operates normally, DTC or normal system code is not displayed. | TC Terminal circuit | SRS Warning Light Circuit Malfunction (does not light up, when ignition switch is turned to on) |
| Although terminals TC and CG are not connected, DTC or normal system code is displayed. | TC Terminal circuit | TC Terminal Circuit |
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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.