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 MANUALSTOYOTA1994TERCEL DX, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
1994 Toyota Tercel DX, 4D Sedan, Standard
Control Units
1994 Toyota Tercel DX, 4D Sedan, StandardSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS ECU | Behind left side of dash. See Figure. |
| Air Bag Center Sensor Assembly | Behind center of dash, under theft deterrent ECU. See Figure. |
| Electronic-Controlled Trans. ECU (A/T) | Behind center of dash, integral within ECM. See Figure. |
| Engine Control Module (ECM) | Behind center of dash, under ashtray. See Figure. |
| Shift Lock Control ECU (A/T) | Under center console, behind gear selector. See Figure. |
| Theft Deterrent ECU | Behind center of dash, below radio and ashtray. See Figure. |
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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.