Component description for ME-SFI (ME) control unit - GF07.61-P-6000CY

ENGINE 272.911 in MODEL 204.0 up to Model Year 8 

ENGINE 272.921 in MODEL 204.0/2 up to Model Year 8 

ENGINE 272.947 in MODEL 204.0/2 up to Model Year 8 

ENGINE 272.948 in MODEL 204.0 up to Model Year 8 

ENGINE 272.961 in MODEL 204.0/2 up to Model Year 8 

ENGINE 272.971 in MODEL 204.0 up to Model Year 8 

Location 

The ME-SFI [ME] control unit it located in the middle on the variable intake manifold.

Task 

The ME-SFI [ME] control unit controls the engine control "ME 9.7" according to input signals.

The abbreviated designation "ME 9.7" means:

M  = M  otronic

E  = E  lectronic accelerator pedal

9.7  = Version 9.7 

Design 

The housing of the ME-SFI [ME] control unit is manufactured from aluminum and is watertight.

The housing contains measuring and control electronics for the engine control. Cooling fins on the upper side provide the necessary rejection of heat.

Vibrations are suppressed by rubber brackets.

Functions 

The following systems are controlled and coordinated by the ME-SFI [ME] control unit:

• Ignition system
• Injection system
• Electronic accelerator
• Diagnosis and fault storage
• Drive authorization system and immobilizer
• Regulated camshaft adjustment
• Torque interface
• Heat management
• Intake manifold and tumble flap switchover
• Alternator interface (via drive train LIN (LIN C1))
• Emission control system

The ME-SFI [ME] control unit exchanges data for this purpose via the attached drive train CAN (CAN-C) and chassis CAN (CAN-E). The ME-SFI [ME] control unit also serves as an interface (gateway) between both CAN bus systems.

Control unit programming (flashing) 

The engine control in the ME-SFI [ME] control unit is flashable, which means that the complete software for the ME-SFI [ME] control unit can be replaced (flashed). The software required to program the control units is provided on the DAS Update DVD.

Variant coding 

The following vehicle versions and equipment can be coded using variant coding with the DAS:

• Vehicle model
• National version
• Transmission version
• With or without catalytic converter

Diagnosis 

For diagnostic purposes individual functions can be actuated in a targeted way using the DAS.

Furthermore correction programming of individual performance maps is possible with the DAS.

Power supply for engine control (shown on left rear engine compartment) 

The engine control in ME-SFI [ME] control unit is supplied with voltage for "ignition ON" via the engine circuit 87 relay.