Reset Procedure

Information

The PIWIS Tester II 9818 instructions take precedence since the description may be different with later Tester releases.

The procedure described here has been structured in general terms. Different text or additional information may appear in PIWIS Tester II 9818.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition and press F12 to continue.
2. Select the vehicle type and start the PIDT.
3. Select the required control unit, e.g. Tyre Pressure Monitoring system in the overview.
4. Select Maintenance/repairs.
5. Select Control unit replacement and press F12.
6. Select Read data and press F12.
7. Press F8 to start reading out data.
8. Check the chassis number and press F12.
9. Switch off ignition and replace control unit. -> 443419 Removing and installing TPM control unit 443419 Removing and installing control unit for Tyre Pressure Monitoring (TPM).
10. Switch on ignition. Select the Write data menu (procedure described above), press F12 and then press F8 to start installing the data that was read out.
11. The System Tester displays the message Data has been written. Press F12 to continue.
12. Read out the fault memory and erase it if necessary.
13. Return to the overview of control units.
14. Check the TPM function during the test drive.