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Home >> Porsche >> 2009 >> Cayenne Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Fuel System >> 24 - Fuel System - Electronic Ignition >> WM 247019 Removing And Installing DME (DFI) Control Unit >> Obtaining Read-Out And Saving Vehicle Data From Dme Control Unit

Obtaining Read-Out And Saving Vehicle Data From Dme Control Unit

  1. PIWIS Tester II 9818  must be connected to the vehicle and ignition switched on.
  2. Select the vehicle type and start the PIDT.
  3. Select the DME/DFI  and Maintenance/repairs  menu.
  4. Select the Read data  menu and press [F8] to start.
  5. The PIWIS Tester II 9818  screen displays the message "Vehicle data was read out".
  6. Switch off ignition and remove ignition key. Refit DME (DFI) control unit.
  7. Following replacement of the DME (DFI) control unit, the vehicle data that was read out is loaded under the Maintenance/repairs  menu when you select Write data.