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.

→ 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 using the cursor keys.
3. Switch from vehicle type to list of control units [>>].
4. Select the relevant control unit 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 (Code) 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 ignition and replace control unit.
9. Switch on ignition. After replacement of the control unit, the vehicle data that has been read out is transferred to the new unit using the "Write data" menu option (see Step  6 . Press the [>>] key.
10. System Tester displays Coding write-in complete. Press the [>>] key.
11. Read out fault memory again and erase.