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.
Control Units/Modules
/Modules Control Units/Modules CONTROL UNITS/MODULES LOCATION Component Location ABS/ASC Control Unit In electrical box, behind right front shock tower. Air Bag Diagnostic Module Behind left side of dash, left of steering column. Anti-Theft Module Below left side of dash. Automatic A/C Control Unit Behind front footwell, ahead of plenum. Check Control Module On front fuse/relay block. See Figure. Crash Control Unit On front fuse/relay block. See Figure. Cruise Control Module In electrical box, behind right front shock tower. EDC Electronic Control Unit Under right side of rear seat, near battery. Electric Power Protection Relay On rear fuse/relay block. Electronic Trans. Control Unit Behind right kick panel. Final Stage Unit On left side of right footwell. General Module On rear fuse/relay block. See Figure. Headrest Control Unit (Rear) On rear fuse/relay block. See Figure. Headlight/Foglight Module On auxiliary relay block. See Figure. Infrared Locking Control Unit On rear fuse/relay block. See Figure. Light Control Module On front fuse/relay block. See Figure. Lock Sensor Control Unit Behind left kick panel, left of driver's footrest. Motronic Control Unit (DME) In electrical box, behind right front shock tower. On-Board Computer Behind center of dash, right of radio. Relay Module On rear fuse/relay block. See Figure. Seat/Mirror/Steering Column Memory Control Module Under driver's seat. Servotronic Control Unit Behind left kick panel, left of driver's footrest. Wheel Camber Control Unit Under car, above right side half-shaft.
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.