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Electrical function schematic for exhaust treatment - PE14.00-P-2051-97DAP

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ENGINE 157.9, 278.9 in MODEL 212 as of model year 2014 

Code: Designation: Position:
1 Engine diagnosis indicator lamp, actuation 11E
1 Engine diagnosis indicator lamp, actuation 13D
2 Shift point, increase request 4D
3 Wheel speed, signal 5F
4 Coolant temperature sensor, signal 6D
5 Oxygen sensor, signal 7H
5 Oxygen sensor, signal 7D
6 Engine speed, signal 8E
A1 Instrument cluster 12B
A1e58 Engine diagnosis indicator lamp 12A
B11/4 Coolant temperature sensor 5D
B70 Crankshaft Hall sensor 10D
CAN C Drive train CAN 4F
CAN E1 Chassis CAN 1 4G
CAN E1 Chassis CAN 1 10F
CAN E2 Chassis CAN 2 12D
Code 233 DISTRONIC PLUS 1H
G3/3 Left oxygen sensor upstream of catalytic converter 7K
G3/4 Right oxygen sensor upstream of catalytic converter 7K
G3/5 Left oxygen sensor downstream of catalytic converter 7A
G3/6 Right oxygen sensor downstream of catalytic converter 7B
N10/1 Front SAM control unit with fuse and relay module 12E
N3/10 ME-SFI [ME] control unit 7E
N30/4 Electronic Stability Program control unit 3H
N30/7 Premium Electronic Stability Program control unit 3H
U999 Not valid with DISTRONIC PLUS 1H
Y3/8 Fully integrated transmission control unit 3B
Fig 1: Exhaust Treatment Electrical Function Schematic
G10242554Courtesy of MERCEDES-BENZ USA