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Electrical function schematic for lambda control - PE07.10-P-2710-97DAQ

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ENGINE 276.8/9 in MODEL 212 (except 212.095) as of model year 2014 

Code: Designation: Position:
1 Engine diagnosis indicator lamp, actuation 4J
1 Engine diagnosis indicator lamp, actuation 7J
2 Coolant temperature sensor, signal 2E
3 Fuel injectors, actuation 3D
4 Engine load, signal 4D
4 Engine load, signal 5E
5 Oxygen sensor, signal 6F
6 Oxygen sensor heater, actuation 6F
A1 Instrument cluster 8J
A1e58 Engine diagnosis indicator lamp 7H
B11/4 Coolant temperature sensor 1F
B2/5 Hot film mass air flow sensor 4C
B28/7 Pressure sensor downstream of throttle valve 6D
CAN E1 Chassis CAN 1 4H
CAN E2 Chassis CAN 2 6K
G3/3 Left oxygen sensor upstream of catalytic converter 7F
G3/4 Right oxygen sensor upstream of catalytic converter 7F
G3/5 Left oxygen sensor downstream of catalytic converter 7F
G3/6 Right oxygen sensor downstream of catalytic converter 7F
N10/1 Front SAM control unit with fuse and relay module 4J
N3/10 ME-SFI [ME] control unit 4E
U1020 Valid for gasoline engine with stratified operation 3B
Y76/1 Cylinder 1 fuel injector 2C
Y76/2 Cylinder 2 fuel injector 2C
Y76/3 Cylinder 3 fuel injector 2C
Y76/4 Cylinder 4 fuel injector 2C
Y76/5 Cylinder 5 fuel injector 2D
Y76/6 Cylinder 6 fuel injector 2D
Fig 1: Lambda Control Electrical Function Diagram
G00565303Courtesy of MERCEDES-BENZ USA