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

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ENGINE 642.8 in MODEL 212 as of model year 2014 

Code: Designation: Position:
1 Gear range, status 7G
10 Circuit 87, status 7H
2 Service brake, status 6E
3 Pressure regulator valve, actuation 4E
4 Fuel injectors, actuation 3G
5 Quantity control valve, actuation 3J
6 Accelerator pedal sensor, signal 5J
7 Engine speed, signal 6J
8 Camshaft Hall sensor, signal 7F
9 Combustion engine circuit 87 relay, actuation 7J
9 Combustion engine circuit 87 relay, actuation 10K
B37 Accelerator pedal sensor 4K
B6/1 Camshaft Hall sensor 8D
B70 Crankshaft Hall sensor 6K
CAN C Drive train CAN 8G
CAN E1 Chassis CAN 1 5E
N10/1 Front SAM control unit with fuse and relay module 7K
N10/1kN Engine circuit 87 relay 10K
N3/9 CDI control unit 5F
N30/4 Electronic Stability Program control unit 5A
N30/7 Premium Electronic Stability Program control unit 5B
U909 Valid for DISTRONIC PLUS 4A
U999 Not valid with DISTRONIC PLUS 4A
Y3/8 Fully integrated transmission control unit 11E
Y3/8 Fully integrated transmission control unit 13E
Y74 Pressure regulator valve 3D
Y76/1 Cylinder 1 fuel injector 2F
Y76/2 Cylinder 2 fuel injector 2G
Y76/3 Cylinder 3 fuel injector 2G
Y76/4 Cylinder 4 fuel injector 2G
Y76/5 Cylinder 5 fuel injector 2G
Y76/6 Cylinder 6 fuel injector 2H
Y94 Quantity control valve 2J
Fig 1: Engine Limp-Home Mode Electrical Function Diagram
G10054302Courtesy of MERCEDES-BENZ USA