Reprogramming The DME After Programming Interruption (GROUP 2, NO. 9/04)

Publication date: 2004-11-19
Reference number: GROUP 2, NO. 9/04
Supersedes refnos: GROUP 2, NO. 0401, GROUP 2, NO. 14/04

REPROGRAMMING THE DME AFTER PROGRAMMING INTERRUPTION

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 2, NO. 14/04, Date of Issue: November 19, 2004

PORSCHE:	Cayenne/Cayenne S/Cayenne Turbo, As of 2003 (3)
GROUP:	2 - Fuel, Exhaust & Engine Elc.
PART IDENTIFIER:	2470

Superceded Bulletin(s): GROUP 2, NO. 9/04, Date of Issue: October 7, 2004, GROUP 2, NO. 0401, Date of Issue: November 8, 2004

FILING

This bulletin replaces Cayenne Technical Information Bulletin Group 2, #9/04, dated, 10-7-04 and Advanced Technical Information Bulletin Group 2, #0401, dated 11-8-04.

CONCERNS

Reprogramming of the DME after programming interruptions have occurred is now possible as of PIWIS Tester Version 4.0.

WORK PROCEDURE

Open the fuse box in the engine compartment cowl area and remove fuses 1 (60 Amp) and 2 (30 Amp) to disable the engine compartment fans.
Connect a suitable 40 Amp charger on vehicle.
NOTE: It is possible that during programming, the PIWIS tester display will go dark because of the screen saver. This will not affect programming. The screen saver can be deactivated at any time by touching the screen.
Select "Cayenne" in the main menu. See Fig 1 .

Fig 1: PIWIS Tester Main Menu Display
Highlight "DME" and select "F12" to continue. See Fig 2 .

Fig 2: Control Unit Selection Display
Highlight "Control Unit Programming" and select "F12" to continue. See Fig 3 .

Fig 3: Function Selection Display
Highlight "Program Control Unit" and select "F12" to continue. See Fig 4 .

Fig 4: Control Unit Programming Display
The PIWIS Tester will display the following message. Continue with "F12". See Fig 5 .

Fig 5: Displayed Message
Programming conditions will appear on your screen. Verify that all conditions are met and continue with "F12". See Fig 6 .

Fig 6: Programming Conditions On Display
Specify the vehicle type. Confirm with "F7" and continue with "F12". See Fig 7 .
ATTENTION: Failure to select the correct data record may cause irreparable damage to the DME.

Fig 7: Vehicle Types On Display
Select Model Year and continue with "F12". See Fig 8 .

Fig 8: Model Year Selection On Display
Select Transmission type and continue with "F12". See Fig 9 .

Fig 9: Transmission Type Selection On Display
Highlight the correct exhaust standard and continue with "F12". See Fig 10 .

Fig 10: Exhaust Standard Selection On Display
Select "F6" (picture of a snail) so that "Programming mode: slow appears at the top of your screen then select "F8" to continue with programming (Fig 11 & Fig 12 ).

Fig 11: Programming Mode "F6" Location On Display

Fig 12: "F8" Location On Display

NOTE: Reprogramming of a DME after an Interruption has occurred can only be performed in Slow Programming Mode. Failure to do so will cause irreparable damage to the DME.
Programming in slow mode will take approximately 2.5 hours to complete. See Fig 13 .

Fig 13: Control Unit Programming Progress On Display
Switch the ignition "off" and then "on" to complete programming. "Programming was completed successfully" should appear at the top of your screen (Fig 14 & Fig 15 ).

Fig 14: To End Function On Display

Fig 15: Programming Completed On Display
Reinstall fuses 1 and 2 in fuse panel.
Read out and clear fault memory.