Electrical function schematic for European On-Board Diagnosis - PE07.10-P-2725-97NBG

Code:	Designation:	Position:
1	Engine control diagnosis, communication	5E
1	Engine control diagnosis, communication	7E
1	Engine control diagnosis, communication	10D
1	Engine control diagnosis, communication	12D
1	Engine control diagnosis, communication	5C
1	Engine control diagnosis, communication	12C
1	Engine control diagnosis, communication	15C
1	Engine control diagnosis, communication	17C
18	Engine running, signal	7D
2	Engine diagnosis indicator lamp, actuation	7E
2	Engine diagnosis indicator lamp, actuation	12D
2	Engine diagnosis indicator lamp, actuation	12C
2	Engine diagnosis indicator lamp, actuation	16J
3	Circuit 87, status	3E
A1	Instrument cluster	18G
A1e58	Engine diagnosis indicator lamp	17F
CAN C	Drive train CAN	6F
CAN C1	Engine CAN	6D
CAN D	Diagnostic CAN	16C
CAN E1	Chassis CAN 1	11E
CAN E1	Chassis CAN 1	8C
CAN E2	Chassis CAN 2	15H
Code ME05	HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN)	5D
F58	Engine compartment fuse and relay module	5H
F58kN	Circuit 87M relay	3G
F58kN	Circuit 87M relay	3F
N127	Drivetrain control unit	9D
N3/10	ME-SFI [ME] control unit	3C
N73	Electronic ignition switch control unit	14C
U1032	Valid for engine 278 and 157	1C
U1073	Valid for gasoline engine 276.9	1B
U391	Valid for gasoline engine 276.8	1C
U974	Not valid for hybrid drive	5B
X11/4	Diagnostic connector	19C

Fig 1: European On-Board Diagnosis - Electrical Function Schematic (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: European On-Board Diagnosis - Electrical Function Schematic (2 Of 2)

Courtesy of MERCEDES-BENZ USA