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Electrical function schematic, ignition ON - PE07.10-P-2700-97DAI

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ENGINE 157.9, 276.9, 278.9 in MODEL 212 (except 212.095) up to model year 2014 

Code: Designation: Position:
1 Circuit 15, request ON 5B
10 Correction programming, communication 7E
10 Correction programming, communication 7D
10 Correction programming, communication 7E
10 Correction programming, communication 7D
11 Engine diagnosis indicator lamp, actuation 13D
12 Throttle valve actuator, actuation 4H
2 Circuit 15 relay, actuation 4C
3 Circuit 15, status ON 5F
3 Circuit 15, status ON 5E
4 Combustion engine circuit 87 relay, actuation 5K
5 Circuit 30, status 7K
5 Circuit 30, status 8H
6 Circuit 87, status 7H
7 Circuit 31, status 8E
8 Fuel pump, request ON 12H
8 Fuel pump, request ON 12F
9 Fuel pump, actuation 14J
A1 Instrument cluster 14D
A1e58 Engine diagnosis indicator lamp 13C
CAN B Interior CAN 4C
CAN C Drive train CAN 10G
CAN D Diagnostic CAN 9C
CAN E Chassis CAN 6D
CAN E Chassis CAN 3G
CAN E Chassis CAN 11E
G1 On-board electrical system battery 9L
M16/6 Throttle valve actuator 4J
M3 Fuel pump (FP) 14J
N10/1 Front SAM control unit with fuse and relay module 6B
N10/1 Front SAM control unit with fuse and relay module 2K
N10/1kJ Circuit 15 relay 4D
N10/1kN Engine circuit 87 relay 6K
N118 Fuel pump control unit 14F
N3/10 ME-SFI [ME] control unit 7F
N73 Electronic ignition switch control unit 2B
U1018 Valid for gasoline engine 276 5F
U1032 Valid for engine 278 and 157 5F
W10 Right front battery ground point 9J
W16/5 Left major assembly compartment electronics ground point 9D
X11/4 Diagnostic connector 11B
Fig 1: Ignition On Electrical Function Diagram
G10054241Courtesy of MERCEDES-BENZ USA