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.
1998 Porsche Boxster AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| A/C-Heating Control Unit | Behind center of dash. |
| ABS Control Unit | On left side of front luggage compartment. |
| ABS Hydraulic Unit | On left side of front luggage compartment. |
| ABS/ABD Hydraulic Unit | On left side of front luggage compartment. |
| Air Bag Control Unit | Under center console. |
| Alarm System/Central Locking System Control Unit | Under driver's seat. |
| Cruise Control (W/ Drive Motor) Control Unit | Above accelerator pedal, on bracket. |
| MFI-DI Control Unit | On left side of engine compartment. See Figure. |
| Parking Assistant Control Unit | Under driver's seat. |
| Tiptronic Transmission Control Unit | On front center of engine compartment. See Figure. |
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.