LEMON Manuals: Even more car manuals for everyone
Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Radio - 911 CARRERA (996) >> Removing and installing display and operator control unit (PCM) >> Notes

Removing and installing display and operator control unit (PCM): Notes

NOTE:
  • As of model year '02, the tolerance of the speed display has been restricted. This was achieved by changing the software ("K-number") on the instrument cluster and PCM control module. The"K-number" varies depending on vehicle type and country equipment.
  • The reason is as follows: different displays of the total mileage and the fuel consumption/average consumption in the instrument cluster and the PCM control module.
  • Therefore, in the case of repairs, the K-number in the PCM control module must be corrected with the Porsche System Tester 2 (PST2) after the installation of a new PCM control module or a new instrument cluster in vehicles as of model year '02. > If this correction is not carried out, conflicting values for the total mileage and fuel consumption/average consumption will be displayed on the instrument cluster and the PCM control module when in driving mode.

PROCEDURE for changing the"K-number" on PCM control module (as of PST2 Software 13.0): 

  1. Connect the PST2 to the diagnostic socket; switch on the PST2 and the ignition.
  2. When the PST2 is ready, select vehicle type and start the automatic control module search with the key >>
  3. In the menu"Control units", select Instrument cluster 
  4. In the function selection, select Synchronize K-number  .
  5. Start the function using the key >>.
  6. After the function has been successfully performed in the instrument cluster, the message K-number synchronized  or the message K-number updated  appears in the Tester display. Subsequently, it is automatically connected to the PCM. The message Connecting to PCM  appears.
  7. After the function has been successfully performed in the PCM, the message K-number synchronized  or the message K-number updated  appears in the Tester display. Subsequently, it is automatically reconnected to the instrument cluster. The message Connecting to instrument cluster  appears.
  8. Then the message Function successfully completed  appears.
  9. Return to the Start menu with the button ESC, switch off the PST2 and disconnect from the diagnostic socket.
scientia non olet · About LEMON Manuals