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.
1990 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location | |
|---|---|---|
| Anti-Lock Brake (ABS) Control Module | Under driver's seat. | |
| Auto. Temp. Control (ATC) Air Control Module | In center of instrument panel, behind left side of radio. See Figure . | |
| Automatic Transaxle Control Unit | In front of dash left side. | |
| Central Processing Unit (CPU) | Behind dash, left of steering column above fuse block. See Figure & Figure . | |
| Electrical Load Unit | In front of ECA and center console. | |
| Electronic Control Assembly (ECA) | Forward of center console. See Figure . | |
| Heater Control Module | Center of instrument panel, behind right side of radio. | |
| Ignition Module | ||
| 2.2L Turbo | On left rear of engine bay, next to ignition coil. | |
| 3.0L | On distributor. | |
| Integrated Relay Control (IRC) Module (3.0L Only) | Center of firewall, right of brake booster. See Figure . | |
| Intermittent Wiper Module | Behind left side of dash. See Figure . | |
| Knock Control Module | On center of firewall, to right of map sensor. See Figure . | |
| Oil Level Sensor Module | Behind right side of dash. See Figure . | |
| Passive Restraint Control Module | Behind interior quarter trim panel, at left of rear seat. | |
| Programmed Ride Control (PRC) Module | Under passenger's seat. | |
| Shift-Lock Control Module | At front of center console. | |
| Speed Control Module | Behind dash, upper right of steering column. See Figure . | |
| Variable Assist Power Steering (VAPS) Control Module | Under driver's seat. | |
Factory Service Tools
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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.
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