Correction programming, function - GF07.61-P-3031MAS

ENGINE 156.984 in MODEL 216.377, 221.077 /177 as of Model Year 09 /AEJ 08 

Function requirements for correction programming, general points 

• Circuit 15 ON (ignition ON)
• Circuit 87M ON (engine control ON)

Correction programming, general points 

Different performance maps for the engine control can be stored and activated with correction programming in the ME-SFI [ME] control unit (N3/10).

Correction programming function sequence 

Correction programming is carried out with "ignition ON" using the Diagnosis Assistance System (DAS) over the data link connector (X11/4).

The ME-SFI control unit is connected to the data link connector over the chassis CAN (CAN E) and diagnostic CAN (CAN D).

The following performance maps can be influenced (programming):

• Ignition maps for adaptation to different fuel grades (research o  ctane n  umber correction) (except code (494) USA version)
• Mixture maps for enrichment of the fuel/air mixture in different operating conditions (except code (494) USA version)
• Basic setting for idle speed
• Idle speed for engaged drive position
• Fault setting conditions for smooth running detection