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 456 (SLIDING ROOF SYSTEM - DIAGNOSTICS)TERMINALS OF ECU
2004 Toyota Matrix XR, FWD, Standard
Terminals Of Ecu
2004 Toyota Matrix XR, FWD, StandardSECTION Terminals Of Ecu
WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect sliding roof drive gear (sliding roof ECU)
.
- Inspect relay operation
- Disconnect the connector from the sliding roof ECU and inspect the connector on the wire harness side.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the circuit is not as specified, inspect the circuits connected to other part.
- Connect wire harness side connector to sliding roof and inspect connector from the back side
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the circuit is not specified, inspect the circuits connected to the other parts.
- Inspect relay operation
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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.