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

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ENGINE 651 (except 651.925) in MODEL 212 (except 212.098/298) Except 651.925 

Code: Designation: Position:
1 Pressure sensor downstream of air filter, signal 11F
10 Boost pressure control pressure transducer, actuation 3C
11 Circuit 87, status 6D
12 Hot film mass air flow sensor, signal 7D
13 Exhaust pressure sensor, signal 8D
14 Rail pressure sensor, signal 9D
15 Intake air temperature sensor, signal 10D
16 Charge air temperature sensor, signal 10E
17 Temperature sensor upstream of charge air cooler, signal  
2 Temperature sensor upstream of turbocharger, signal 11G
3 Boost pressure sensor, signal 10G
3 Boost pressure sensor, signal 7H
4 Coolant temperature sensor, signal 10H
5 Engine speed, signal 9J
6 Differential pressure sensor (DPF), signal 7H
7 Boost pressure control flap pressure transducer, actuation 3H
8 Fuel injectors, actuation 3G
9 Charge air bypass flap switchover valve, actuation 3E
B11/4 Coolant temperature sensor 11L
B17/11 Temperature sensor upstream of charge air cooler 15E
B17/8 Charge air temperature sensor 14C
B19/11 Temperature sensor upstream of turbocharger 15J
B2/5 Hot film mass air flow sensor 7B
B2/5b1 Intake air temperature sensor 13B
B28/5 Pressure sensor downstream of air filter 14G
B28/8 Differential pressure sensor (DPF) 6K
B4/6 Rail pressure sensor 11B
B5/1 Boost pressure sensor 4J
B5/4 Low-pressure turbocharger boost pressure sensor 14K
B60 Exhaust pressure sensor 8B
B70 Crankshaft Hall sensor 9K
Code 474 Diesel particulate filter 5K
Code 494 USA version 13E
Code 494 USA version 7G
L5 Crankshaft position sensor 8K
N10/1 Front SAM control unit with fuse and relay module 4A
N10/1kN Engine circuit 87 relay 5D
N3/9 CDI control unit 8D
U240 Valid for all except ECO start/stop function 7K
U252 Valid for ECO start/stop function 8K
Y132 Charge air bypass flap switchover valve 2E
Y31/5 Boost pressure control pressure transducer 2D
Y76/1 Cylinder 1 fuel injector 2G
Y76/2 Cylinder 2 fuel injector 2G
Y76/3 Cylinder 3 fuel injector 2G
Y76/4 Cylinder 4 fuel injector 2H
Y93 Boost pressure control flap pressure transducer 2J
Fig 1: Charging Electrical Function Schematic
G10242543Courtesy of MERCEDES-BENZ USA