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.
1992 Mazda MX-3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location | |
|---|---|---|
| ABS Control Unit | Under passenger's seat. | |
| A/T Control Unit | Under center of dash, forward of center console. | |
| Cruise Control Unit | Behind right kick panel. | |
| Daytime Running Light (DRL) Control Unit | Behind right kick panel. | |
| Electronic Control Unit (ECU) | ||
| 1.8L (DOHC) | Behind center of dash. See Figure . | |
| 1.8L (SOHC) | Behind center of dash. See Figure . | |
| Passive Shoulder Belt Control Unit | Under driver's seat. | |
Factory Service Tools
Use the Manual With the Right Hardware
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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.