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Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine -- Cooling System (2 Of 2) -- 223 Chassis >> Wiring Diagrams >> Function Schematic For Heat Management >> Function Schematic For Heat Management - PE20.00-P-2502-97I

Function Schematic For Heat Management - PE20.00-P-2502-97I

Engine 279 in model 223 

Code: Designation: Position:
1 Air conditioning, status 5B
1 Air conditioning, status 14A
1 Air conditioning, status 20A
10 Circuit 87, status 20E
11 Engine load, signal 20G
12 Engine speed, signal 20J
13 Pressure and temperature sensor upstream of throttle valve, signal 20K
14 Transmission control diagnosis, communication 27B
15 Throttle valve actuator motor, actuation 26E
16 Coolant thermostat heating element, actuation 26G
17 Fuel injectors, actuation 26K
18 Fan motor, target motor speed request 33B
19 Low-temperature circuit switchover valve, actuation 33D
2 Low-temperature circuit circulation pump 1, request 9A
20 Instrument cluster, message 42F
20 Instrument cluster, message 36F
3 Low-temperature circuit circulation pump 1, actuation 11C
4 Outside temperature sensor, signal 20A
4 Outside temperature sensor, signal 13A
5 Wheel speed, signal 14E
5 Wheel speed, signal 20A
6 Coolant temperature, signal 14F
7 Transmission control, status 14H
7 Transmission control, status 19A
8 Throttle valve position, signal 19A
9 Coolant temperature sensor, signal 20D
A40/18 Instrument cluster display 43G
B11/4 Coolant temperature sensor 15D
B11/6 Coolant temperature sensor 10F
B18/4 Intake air pressure sensor 15G
B18/5 Intake air pressure sensor 15G
B28/6 Charge air pressure sensor 15K
CAN C CAN for engine 26B
CAN C CAN for engine 19B
CAN C1 CAN 1 for drive 13H
Code 503 Remote-controlled parking 6D
Code 503 Remote-controlled parking 7F
Ethernet Ethernet 11B
Ethernet Ethernet 34F
F152/3 Fuse and relay module 15E
Flex E Chassis FlexRay 12E
HSVL High-speed video link 41F
L5 Crankshaft Hall sensor 15J
LIN Local Interconnect Network 4B
LIN 1 Local Interconnect Network 32B
M13 Circulation pump 13C
M16/6 Throttle valve actuator 27F
M4/7 Fan 35B
N10/6 Front signal acquisition and actuation module control unit 6B
N127 Drivetrain control unit 28C
N127 Drivetrain control unit 15B
N133/1 Instrument cluster control unit 37G
N15/15 Fully integrated transmission control electric controller unit 8H
N29 Blower regulator 1B
N3/10 Engine management control unit 22G
N30/10 Electronic Stability Program control unit 7E
N30/3 Electronic Stability Program control unit 7F
R48 Coolant thermostat heating element 28G
Y62/1 Injector 28J
Y62/10 Injector 29K
Y62/11 Injector 29K
Y62/12 Injector 29L
Y62/2 Injector 28J
Y62/3 Injector 28K
Y62/4 Injector 28K
Y62/5 Injector 28K
Y62/6 Injector 28L
Y62/7 Injector 29J
Y62/8 Injector 29J
Y62/9 Injector 29K
Y73/1 Coolant directional control valve 35D
G16230261Courtesy of MERCEDES-BENZ USA
G16230262Courtesy of MERCEDES-BENZ USA
G16230263Courtesy of MERCEDES-BENZ USA
G16230264Courtesy of MERCEDES-BENZ USA
G16230265Courtesy of MERCEDES-BENZ USA
G16230266Courtesy of MERCEDES-BENZ USA