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 230 (ELECTRICAL COMPONENT LOCATOR)CONTROL UNITS
2004 Toyota Matrix XR, FWD, Standard
Control Units
2004 Toyota Matrix XR, FWD, StandardSECTION Control Units
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL UNITS LOCATION
| Component | Component Location |
|---|---|
| Air Bag Sensor Assembly | Below front of center console. See Figure. |
| Back Door ECU | On left side of liftgate. See Figure. |
| Body ECU | Behind left end of dash. See Figure. |
| Driver Door ECU | In left front door. See Figure. |
| Engine Control Module | Behind right side of dash. See Figure. |
| Front Passenger Door ECU | In right front door. See Figure. |
| Glass Breakage Sensor ECU | Inside of steering column. |
| Integration Control & Panel | Behind center of dash. See Figure. |
| Overhead Module | On center front of roof. See Figure. |
| Rear Seat Audio Controller | On center of roof, under headliner. |
| Rear Seat Entertainment ECU | Under rear of center console. |
| Skid Control ECU | On right rear of engine compartment. See Figure. |
| Sliding Roof Control ECU | On center front of roof. See Figure. |
| Stereo Component Amplifier (Front) | Center of dash, below radio. See Figure. |
| Stereo Component Amplifier (Rear) | Below rear of center console. See Figure. |
| Towing Brake Controller ECU | At left kick panel. |
| Translate ECU | Above right kick panel. See Figure. |
| Transponder Key Amplifier | Inside of steering column. See Figure. |
| Transponder Key Computer | Inside of steering column. |
| Wireless Door Control Receiver | Behind left center of dash. See Figure. |
| 4WD Control ECU | Behind right center of dash. See Figure. |
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.