FixVault

Electrical Function Diagram For Injection Control - PE07.10-P-2704-97FBA

Engine 274.9 in model 205 (except 205.047/053/054/147/247/253) 

Engine 274.9 in model 253 (except 253.354/954) 

Code: Designation: Position:
1 Oxygen sensor element, signal 6G
10 Charge air temperature sensor, signal 7E
11 Circuit 87, status 7E
12 Engine running, signal 9H
13 Powertrain control unit, status 7G
2 Engine load, signal 5G
3 Accelerator pedal sensor, signal 3G
4 Fuel injectors, actuation 2F
5 Engine speed, signal 3E
6 Camshaft Hall sensor, signal 4D
7 Coolant temperature sensor, signal 5D
8 Fuel pressure, signal 6D
9 Fuel temperature, signal 6D
B11/4 Coolant temperature sensor 5C
B17/7 Charge air temperature sensor upstream of throttle valve 7C
B17/9 Charge air temperature sensor downstream of throttle valve 7C
B28/7 Pressure sensor downstream of throttle valve 5J
B37 Accelerator pedal sensor 2K
B4/25 Fuel pressure and temperature sensor 6C
B6/15 Intake camshaft Hall sensor 3A
B6/16 Exhaust camshaft Hall sensor 3B
B70 Crankshaft Hall sensor 2C
CAN C Engine CAN 8G
G3/1b1 Sensor element of oxygen sensor downstream of catalytic converter 7J
G3/2b1 Sensor element of oxygen sensor upstream of catalytic converter 7J
K40/8 Engine fuse and relay module 13E
K40/8kN Circuit 87M relay 11E
N127 Drivetrain control unit 9H
N3/10 ME-SFI [ME] control unit 5E
Y76/1 Cylinder 1 fuel injector 1E
Y76/2 Cylinder 2 fuel injector 1F
Y76/3 Cylinder 3 fuel injector 1F
Y76/4 Cylinder 4 fuel injector 1F
G12934091Courtesy of MERCEDES-BENZ USA