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 205 (ENGINE IMMOBILIZER)SELF-DIAGNOSTIC SYSTEMCLEARING DIAGNOSTIC TROUBLE CODES
2004 Toyota Matrix XR, FWD, Standard
Clearing Diagnostic Trouble Codes
2004 Toyota Matrix XR, FWD, StandardSECTION Clearing Diagnostic Trouble Codes
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
Clear the DTC. The following operations will erase the DTCs and freeze frame data.
- Operating the OBD II scan tool (complying with SAE J1978) or hand-held tester to erase the codes. See the OBD II scan tool's instruction book for operating instructions.
- Disconnecting the battery terminals or EFI fuse.
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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.