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 the vehicle type  .
3. Move from vehicle type  to the list of control units and press [>>].
4. Select the relevant control unit  using the cursor keys and press [>>].
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. Select the vehicle type, choose the Special functions  menu, start Vehicle handover  and follow the instructions on the Tester.
10. Erase All fault memories  .
11. Using the [>>] key, move from the vehicle type to the list of control units. Perform the automatic control unit search.
12. After replacing the control unit, the data that was previously read out (see Item  6) is reloaded under the Write in data  menu. Press [>>].
13. The System Tester displays the message Coding write-in complete  . Press [>>].
14. Go to the Coding  menu by pressing [>>], compare the coding with the vehicle equipment and code it if necessary.
15. Check the operation of the memory switch, read out the fault memory and erase it if necessary.