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.
1994 Geo Metro XFiFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Audio Alarm Module | Behind right side of dash, below radio. |
| Automatic Door Lock Control Module | Behind right side of dash, near blower housing. |
| A/T Control Module (ATCM) | Behind left side of dash, near steering column. See Figure . |
| Daytime Running Light (DRL) Module | Behind left side of dash. See Figure . |
| Diagnostic Energy Reserve Module (DERM) | Behind left side of dash, right of steering column. |
| Diode Module | Behind left side of dash, left of steering column. See Figure . |
| Engine Control Module (ECM) | At left side of dash, behind instrument cluster. See Figure . |
| Seat Belt Controller | Behind left side of dash, left of steering column. |
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.