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 165 (POWER WINDOWS)CIRCUIT TESTSPOWER WINDOW SWITCH CIRCUIT (REAR)INSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard
Inspection Procedure
2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Check the power window switch circuit using the DTC check. See MULTIPLEX COMMUNICATION SYSTEM
article under COMMUNICATION DEVICES in ACCESSORIES & EQUIPMENT. If the results are OK, check the following:
- Rear Power Window Switch Circuit. See POWER WINDOW MOTOR CIRCUIT (REAR) .
- Rear Door ECU.
- Check the power window switch. See POWER WINDOW SWITCH (PASSENGER & REAR) under COMPONENT TESTS. If the results are OK, go to the next step. If the results are not good, replace the power window switch. See POWER WINDOW MASTER SWITCH under REMOVAL & INSTALLATION.
- Check the wire harness and connector between the power window switch and rear door ECU. If the results are OK, go to the next step. If the results are not good, repair or replace the wire harness or connector.
- Check the wire harness and connector between the power window switch and power window master switch. If the results are OK, check the following:
- Rear Power Window Switch Circuit. See POWER WINDOW MOTOR CIRCUIT (REAR) .
- Rear Door ECU.
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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.