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Electrical function schematic for charging - PE09.00-P-2050-97DAF

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ENGINE 642.8 in MODEL 212 

Code: Designation: Position:
1 Fuel pressure, signal 9D
10 Boost pressure positioner, actuation 12D
11 Circuit 87, status 6E
2 Exhaust pressure sensor, signal 8D
3 Charge air temperature sensor, signal 7D
4 Fuel injectors, actuation 3F
5 Boost pressure, signal 6H
6 Engine speed, signal 8H
7 Coolant temperature sensor, signal 9H
7 Coolant temperature sensor, signal 6G
8 Temperature sensor upstream of turbocharger, signal 10G
9 Pressure sensor downstream of air filter, signal 11F
B11/4 Coolant temperature sensor 11K
B11/5 Charge air cooler coolant temperature sensor 2J
B17/8 Charge air temperature sensor 6B
B19/11 Temperature sensor upstream of turbocharger 14H
B28/5 Pressure sensor downstream of air filter 14F
B4/6 Rail pressure sensor 11A
B5/1 Boost pressure sensor 5J
B60 Exhaust pressure sensor 8A
B70 Crankshaft Hall sensor 8K
N10/1 Front SAM control unit with fuse and relay module 2A
N10/1kN Engine circuit 87 relay 4C
N3/9 CDI control unit 8E
U1 Valid for USA 1H
U244 Valid for BlueTEC 1J
Y76/1 Cylinder 1 fuel injector 2E
Y76/2 Cylinder 2 fuel injector 2F
Y76/3 Cylinder 3 fuel injector 2F
Y76/4 Cylinder 4 fuel injector 2F
Y76/5 Cylinder 5 fuel injector 2F
Y76/6 Cylinder 6 fuel injector 2G
Y77/1 Boost pressure positioner 13C
Fig 1: Charging Electrical Function Diagram
G10054476Courtesy of MERCEDES-BENZ USA