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 151 (POWER MIRRORS)COMPONENT TESTSOUTSIDE REAR VIEW MIRROR SWITCH CIRCUITINSPECTION 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 ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Check fuses. Check if the ECU - B and ECU - ACC fuse are normal. If the fuses are OK, go to the next step. If the fuses are not OK, replace the fuse.
- Inspect the outside rear view mirror switch assembly. See Figure. If the switch is OK, go to the next step. If the switch is not OK, replace the outside rear view mirror switch assembly.
- Check the mirror switch and mirror ECU wiring harness. See Fig 1. If the connectors are OK, replace the outside rear view mirror control ECU assembly. If the connectors are not OK, repair or replace the wiring harness or connector.
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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.