Cayenne S (9PA) V8-4.5L (2003)
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4. Select Vehicle electrical system with the cursor keys and press the >> key.
5. Select Control unit replacement with the cursor keys and press the >> key.
6. Select Read out values (codings) with the cursor keys and press the >> key.
7. The message "Reading code" will appear on the screen of the Porsche System Tester. Press the >> key.
8. Switch off the ignition and replace the vehicle electrical system control unit.
9. After replacement of the vehicle electrical system control unit, the vehicle data is installed under the menu Write in data (see Section 6). Press the
>> key.
10. System Tester displays Coding write-in complete. Press the >> key.
11. Quit menu, switch off ignition, lock vehicle and read out fault memory. If necessary erase fault memory.
