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 635 (CAN COMMUNICATION SYSTEM - DIAGNOSTICS)
2004 Toyota Matrix XR, FWD, Standard
Section 635 (Can Communication System - Diagnostics)
2004 Toyota Matrix XR, FWD, StandardSECTION Section 635 (Can Communication System - Diagnostics)
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
- Precaution
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Terminals Of Ecu
- Diagnostic Trouble Code Chart
- Check Can Bus Line
- DTC U0126/63: Steering Sensor Communication Stop Mode
- DTC U0126/63 & U0124/95: Yaw Rate Sensor Communication Stop Mode
- Check Can Main Bus Line For Disconnection
- Check Can Bus Lines For Short Circuit
- Check Can Bus Line (Can-H) For Short To B+
- Check Can Bus Line (Can-L) For Short To B+
- Check Can Bus Line (Can-H) For Short To GND
- Check Can Bus Line (Can-L) For Short To GND
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.