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Electrical Function Schematic For Lambda Control - PE07.10-P-2710-97FBA

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 Instrument cluster, request 9H
1 Instrument cluster, request 13J
1 Instrument cluster, request 14D
2 Coolant temperature sensor, signal 6F
3 Fuel injectors, actuation 7D
4 Engine load, signal 9D
5 Oxygen sensor, signal 9E
6 Oxygen sensor heater, actuation 10F
7 Circuit 87, status 6F
8 Engine running, signal 6H
A1 Instrument cluster 14B
B11/4 Coolant temperature sensor 4G
B28/7 Pressure sensor downstream of throttle valve 10C
CAN C Engine CAN 7G
CAN C1 Drive train CAN 8G
CAN HMI User interface CAN 14F
Flex E Chassis FlexRay 10J
G3/1b1 Sensor element of oxygen sensor downstream of catalytic converter 11F
G3/1r1 Heater of oxygen sensor heater downstream of catalytic converter 11F
G3/2b1 Sensor element of oxygen sensor upstream of catalytic converter 11F
G3/2r1 Heater of oxygen sensor upstream of catalytic converter 11F
K40/8 Engine fuse and relay module 2C
K40/8kN Circuit 87M relay 4C
N127 Drivetrain control unit 8J
N3/10 ME-SFI [ME] control unit 8E
N73 Electronic ignition switch control unit 14J
Y76/1 Cylinder 1 fuel injector 8B
Y76/2 Cylinder 2 fuel injector 8C
Y76/3 Cylinder 3 fuel injector 8C
Y76/4 Cylinder 4 fuel injector 8C
G12934098Courtesy of MERCEDES-BENZ USA