Reading Out And Printing Out Values

→ Prior to disconnecting the control unit, switch off ignition and remove ignition key.

→ Ensure that the power supply is not interrupted during programming.

→ Connect a battery charger with a current rating of at least → Nominal value: 40 A  to the vehicle battery.

Information 

Follow the instructions on the Tester.

Later versions of the software may display slightly different text or require a slightly different procedure. The instructions you receive from the tester itself take precedence over this description.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. [>>] Continue.
2. Select vehicle type  .
3. From vehicle type  , change to control units  [>>].
4. Select required control unit  with the cursor keys and press [>>] 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 Codes successfully read out  appears on the screen of the Porsche System Tester. Press [>>].
8. Switch off ignition and replace control unit.
9. Switch on ignition. After replacement of the control unit, the data previously read out (see Item  6) is reloaded under the menu Write in codes  . Press [>>].
10. System Tester displays Coding write-in complete. Press the [>>] key.
11. Leave menu, read out all control units and erase fault memories.
12. Select front end  on the control unit, carry out calibration  menu.
13. Check headlight setting and adjust if necessary.