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 MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 49 (ELECTRICAL COMPONENT LOCATOR)CONTROL UNITS
2004 Toyota Celica GT, Standard
Control Units
2004 Toyota Celica GT, StandardSECTION Control Units
WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL UNITS LOCATION
| Component | Component Location |
|---|---|
| ABS Actuator W/ ECU (3.4L) | In right rear corner of engine compartment. See Figure. |
| ABS Actuator W/ ECU (4.7L) | In right rear corner of engine compartment. See Figure. |
| Center Air Bag Sensor Assembly | Behind lower center of dash, on transmission tunnel. See Figure. |
| Cruise Control ECU (3.4L) | Behind upper right center of dash. See Figure. |
| Engine Control Module (ECM) | Behind right side of dash, near "A" pillar. See Figure. |
| 4WD Control ECU (4.7L) | Behind lower right side 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.