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.
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HOMESERVICE MANUALSMAZDA1999PROTEGE ES, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONCOMPUTER RELEARN PROCEDURESPORSCHEBOXSTERALARM/DRIVE BLOCK CONTROL UNIT PROGRAMMING
1999 Mazda Protege ES, Automatic
Alarm/Drive Block Control Unit Programming
1999 Mazda Protege ES, AutomaticSECTION Alarm/Drive Block Control Unit Programming
- If control unit requires replacement, new control unit must be coded. It will be necessary to obtain immobilizer (drive block) code and teaching code from Porsche Cars North America (PCNA) prior to replacement. To obtain codes, complete code request form (Technical Bulletin, Boxster bulletin group 9, number 9801) from nearest Porsche dealer. Proof of ownership (valid title or registration) is required. Original transponders can be reused, but require recoding to new control unit.
- Install control unit. Connect Porsche System Tester 2 and turn on. Select BOXSTER and begin control unit search sequence. Select ALARM SYSTEM, TEACHING FUNCTIONS AND IMMOBILIZER. Enter 16-digit immobilizer code obtained from PCNA and press ENTER. Confirm code entry by pressing F7.
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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.