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.
1999 Saturn SW2 AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| ABS Control Module | Under left side of dash. See Figure . |
| Chime Module | In I/P junction block. |
| Cruise Control Module | Under dash, on right of steering column. See Figure . |
| Electronic Ignition (EI) Module | On top left rear of engine. See Figure . |
| Flasher Module | In I/P junction block. |
| Powertrain Control Module (PCM) | Behind left side of dash. See Figure . |
| Remote Keyless Entry (RKE) Module | Behind right rear quarter trim panel. |
| SDM Lamp Driver Module | Under center console. |
| Sensing & Diagnostic Module (SDM) | Under center console. See Figure . |
| Sun Roof Module | Front center of roof. |
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.
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