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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 221 Chassis - 3 Of 6 >> Wiring Diagrams >> Electrical function schematic for engine limp-home mode >> Electrical function schematic for engine limp-home mode - PE07.10-P-2719-97SAH

Electrical function schematic for engine limp-home mode - PE07.10-P-2719-97SAH

Code: Designation: Position:
1 Service brake, status 5G
2 Fuel injectors, actuation 6E
3 Camshaft Hall sensor, signal 6F
4 Engine speed, signal 2F
5 Accelerator pedal sensor, signal 3E
6 Throttle valve actuator, actuation 3C
7 Throttle valve actuator, signal 5C
B37 Accelerator pedal sensor 1F
B6/4 Left intake camshaft Hall sensor 7G
B6/5 Right intake camshaft Hall sensor 7G
B6/6 Left exhaust camshaft Hall sensor 7G
B6/7 Right exhaust camshaft Hall sensor 7H
B70 Crankshaft Hall sensor 1H
CAN E Chassis CAN 4H
M16/6 Throttle valve actuator 4B
N3/10 ME-SFI [ME] control unit 4D
N47-5 ESP control unit 4H
Y76y1 Cylinder 1 fuel injector 7D
Y76y2 Cylinder 2 fuel injector 7D
Y76y3 Cylinder 3 fuel injector 7E
Y76y4 Cylinder 4 fuel injector 7E
Y76y5 Cylinder 5 fuel injector 7E
Y76y6 Fuel injector cylinder 6 7E
Y76y7 Cylinder 7 fuel injector 7F
Y76y8 Cylinder 8 fuel injector 7F
Fig 1: Engine Limp-Home Mode Electrical Function Schematic
G10126491Courtesy of MERCEDES-BENZ USA