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Electrical function schematic for common rail diesel injection (CDI), quantity control - PE14.20-U-2051-99MAA

Code: Designation: Position:
1 Oil temperature sensor, signal 8 G
10 Accelerator pedal sensor, signal 5 D
11 Crankshaft Hall sensor, signal 7 D
12 Fuel injectors, actuation 6 J
13 Quantity control valve, actuation 8 E
14 Pressure regulator valve, actuation 8 H
2 Hot film mass air flow sensor, signal 4 G
3 Hot film mass air flow sensor, signal 4 H
4 Rail pressure sensor, signal 7 H
5 Boost pressure sensor, signal 8 F
6 Camshaft Hall sensor, signal 4 E
7 Coolant temperature sensor, signal 4 D
8 Charge air temperature sensor, signal 7 D
9 Pressure sensor downstream of air filter, signal 4 F
B1 Oil temperature sensor 9 H
B11/4 Coolant temperature sensor 3 D
B17/8 Charge air temperature sensor 8 C
B2/6 Left hot film MAF sensor 2 J
B2/7 Right hot film MAF sensor 3 K
B28/5 Pressure sensor downstream of air cleaner 2 G
B37 Accelerator pedal sensor 4 C
B4/6 Rail pressure sensor 7 K
B5/1 Charge pressure sensor 9 G
B6/1 Camshaft Hall sensor 2 E
B70 Crankshaft Hall sensor 7 C
N3/9 CDI control module 6 D
Y74 Pressure regulator valve 9 J
Y76y1 Fuel injector (1st cylinder) 5 K
Y76y2 Fuel injector (2nd cylinder) 5 K
Y76y3 Fuel injector (3rd cylinder) 5 L
Y76y4 Fuel injector (4th cylinder) 5 L
Y76y5 Fuel injector cylinder 5 5 L
Y76y6 Fuel injector cylinder 6 5 L
Y94 Volume control valve 9 E
Fig 1: Common Rail Diesel Injection Quantity Control Electrical Function Schematic
G10120114Courtesy of MERCEDES-BENZ USA