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Electrical function schematic for start phase, post-start phase and warm-up enrichment - PE07.10-P-2707-97DAU

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ENGINE 276.9 in MODEL 212.095 as of model year 2014 

Code: Designation: Position:
1 Selector lever position, status 7E
10 Fuel injectors, actuation 3E
11 Coolant temperature sensor, signal 5D
12 Camshaft Hall sensor, signal 4E
13 Circuit 87, status 7E
2 Engine load, signal 7F
2 Engine load, signal 5E
3 Intake air temperature sensor, signal 8F
3 Intake air temperature sensor, signal 6D
4 Circuit 30, status 7G
5 Intake manifold intake air temperature sensor, signal 6H
6 Circuit 50, status 5H
7 Engine speed, signal 4G
8 Ignition coils, actuation 3H
9 Camshaft solenoids, actuation 3G
B11/4 Coolant temperature sensor 6C
B17 Intake air temperature sensor 8B
B17/1 Intake manifold intake air temperature sensor 7K
B2/5 Hot film mass air flow sensor 10H
B2/5b1 Intake air temperature sensor 10H
B28/7 Pressure sensor downstream of throttle valve 4C
B6/4 Left intake camshaft Hall sensor 2C
B6/5 Right intake camshaft Hall sensor 2C
B6/6 Left exhaust camshaft Hall sensor 2C
B6/7 Right exhaust camshaft Hall sensor 2C
B70 Crankshaft Hall sensor 4K
CAN C Drive train CAN 10F
CAN E1 Chassis CAN 1 6H
G1 On-board electrical system battery 10K
G1/11 Rear on-board electrical system battery 12K
N10/1 Front SAM control unit with fuse and relay module 11D
N10/1kN Engine circuit 87 relay 8D
N3/10 ME-SFI [ME] control unit 6E
N73 Electronic ignition switch control unit 6K
R4 Spark plugs 2L
T1/1 Cylinder 1 ignition coil 2H
T1/2 Cylinder 2 ignition coil 2H
T1/3 Cylinder 3 ignition coil 2J
T1/4 Cylinder 4 ignition coil 2J
T1/5 Cylinder 5 ignition coil 2J
T1/6 Cylinder 6 ignition coil 2J
U1020 Valid for gasoline engine with stratified operation 9G
U1021 Not valid for gasoline engine with stratified operation 7B
U968 Valid for mild hybrid drive 11J
U968 Valid for mild hybrid drive 13E
U977 Not valid for mild hybrid drive 9J
U977 Not valid for mild hybrid drive 13E
Y3/8n4 Fully integrated transmission control unit 14E
Y49/4 Left intake camshaft solenoid 2F
Y49/5 Right intake camshaft solenoid 2G
Y49/6 Left exhaust camshaft solenoid 2G
Y49/7 Right exhaust camshaft solenoid 2G
Y76/1 Cylinder 1 fuel injector 2D
Y76/2 Cylinder 2 fuel injector 2E
Y76/3 Cylinder 3 fuel injector 2E
Y76/4 Cylinder 4 fuel injector 2E
Y76/5 Cylinder 5 fuel injector 2E
Y76/6 Cylinder 6 fuel injector 2F
Fig 1: Start Phase, Post-Start Phase And Warm-Up Enrichment Electrical Function Diagram
G10242413Courtesy of MERCEDES-BENZ USA