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Electrical function schematic for energy management for engine start/stop - PE54.10-P-2070-97NBA

Code: Designation: Position:
1 Alternator, signal 14G
10 Decoupling relay, actuation 4J
11 Circuit 87, status 9B
12 Engine start, request 10K
12 Engine start, request 12G
12 Engine start, request 14C
13 Specified alternator voltage, signal 10K
13 Specified alternator voltage, signal 12G
13 Specified alternator voltage, signal 15C
14 Excitation voltage, request 14J
15 Instrument cluster message, request 2C
2 Engine running, signal 5F
2 Engine running, signal 12J
2 Engine running, signal 14E
3 Alternator operating rate, signal 6F
3 Alternator operating rate, signal 12J
3 Alternator operating rate, signal 14E
4 Battery sensor, signal 3E
6 On-board electrical system energy state, signal 9K
6 On-board electrical system energy state, signal 11G
6 On-board electrical system energy state, signal 14C
7 Drivetrain operational, signal 6F
7 Drivetrain operational, signal 12H
7 Drivetrain operational, signal 15E
8 Hot start, signal 5E
9 ECO start/stop function additional battery relay, actuation 4C
A1 Instrument cluster 2A
B95 Battery sensor 1E
CAN B Interior CAN 9K
CAN B Interior CAN 8E
CAN B Interior CAN 2D
CAN C1 Engine CAN 14D
CAN E1 Chassis CAN 1 11H
F32/3 Engine compartment prefuse box 4L
F32/3k1 Decoupling relay 4L
G2 Alternator 14K
K114 ECO start/stop function additional battery relay 4C
LIN B15 Battery sensor LIN 2E
LIN C1 Drive train LIN 14H
N10 SAM control unit 4E
N127 Drivetrain control unit 14E
N3/10 ME-SFI [ME] control unit 11E
N3/10 ME-SFI [ME] control unit 14B
N3/9 CDI control unit 11B
N73 Electronic ignition switch control unit 11J
R62 Voltage dip limiter 9B
U74 Valid for diesel engines 10B
U75 Valid for gasoline engines 10D
U974 Not valid for hybrid drive 8A
U978 Valid for hybrid drive 4A
U978 Valid for hybrid drive 4G
U978 Valid for hybrid drive 6D
U978 Valid for hybrid drive 13B
Fig 1: Energy Management For Engine Start/Stop Electrical Function Schematic
G10077835Courtesy of MERCEDES-BENZ USA