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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - 177 Chassis (2 Of 2) >> Wiring Diagrams >> Function Schematic For Actuating Refrigerant Compressor >> (Function Schematic For Actuating Refrigerant Compressor - PE83.55-P-2501-97B)

(Function Schematic For Actuating Refrigerant Compressor - PE83.55-P-2501-97B)

Model 167 

Code: Designation: Position:
1 Operation, signal 23C
1 Operation, signal 15C
1 Operation, signal 23A
10 Solar radiation, signal 8J
10 Solar radiation, signal 23J
11 Pressure sensor, signal 23K
12 Crash, signal 26E
13 Air outlet temperature sensor, signal 28E
14 Evaporator temperature sensor, signal 31E
15 Electric refrigerant compressor, actuation 35A
16 Refrigerant compressor, actuation 35C
17 Refrigerant compressor magnetic clutch, actuation 35C
18 Refrigerant compressor torque, signal 36E
18 Refrigerant compressor torque, signal 51E
18 Refrigerant compressor torque, signal 51F
19 Transmission shift point increase, request 36E
19 Transmission shift point increase, request 43E
19 Transmission shift point increase, request 51F
2 Vehicle speed, signal 23D
2 Vehicle speed, signal 15D
3 Engine running, signal 15E
3 Engine running, signal 22C
3 Engine running, signal 8E
4 Coolant temperature, signal 22D
4 Coolant temperature, signal 15E
4 Coolant temperature, signal 8E
5 Engine speed, signal 14E
5 Engine speed, signal 7E
5 Engine speed, signal 22D
6 Circuit 15, status 21D
7 Interior temperature sensor, signal 23G
8 Outside temperature sensor, signal 23J
8 Outside temperature sensor, signal 8H
9 Dew point temperature, signal 8J
9 Dew point temperature, signal 23J
A26/17 Head unit 1C
A9/5 Electric refrigerant compressor 39B
A9/7 Refrigerant compressor with magnetic clutch 39D
B10/31 Left side air outlet temperature sensor 29H
B10/32 Right side air outlet temperature sensor 29J
B10/35 Left footwell air outlet temperature sensor 29J
B10/36 Right footwell air outlet temperature sensor 29J
B10/38 Rear footwell vent air outlet temperature sensor 29K
B10/39 Left rear air vent outlet air temperature sensor 29L
B10/4 Interior temperature sensor 1G
B10/40 Right rear air vent outlet air temperature sensor 29L
B10/6 Evaporator temperature sensor 32J
B12/2 Refrigerant pressure sensor 1K
B14 Outside temperature sensor 1H
B38/2 Rain/light sensor with additional functions 1J
CAN B Interior CAN 22D
CAN B Interior CAN 22J
CAN B Interior CAN 14J
CAN B Interior CAN 34F
CAN C1 Drive train CAN 7F
CAN C1 Drive train CAN 50G
CAN C1 Drive train CAN 50E
CAN HMI User interface CAN 14C
CAN HMI User interface CAN 7C
Code 580 Air conditioning 28K
Code 581 Automatic air conditioning 28K
Code B01 48V technology 36A
Flex E Chassis FlexRay 14E
Flex E Chassis FlexRay 14F
Flex E Chassis FlexRay 7E
Flex E Chassis FlexRay 42F
LIN B16 Rain and light sensor LIN 6J
LIN B8-2 Climate control LIN 2 34B
LIN B8-3 AC operation LIN 22A
LIN B8-3 AC operation LIN 7A
LIN B8-3 AC operation LIN 14A
N10/6 Front SAM control unit 9J
N127 Drivetrain control unit 9F
N127 Drivetrain control unit 47F
N2/10 Supplemental restraint system control unit 25K
N22/1 Climate control, control unit 26D
N22/4 Rear air conditioning operating unit 2B
N3/10 ME-SFI [ME] control unit 2F
N3/10 ME-SFI [ME] control unit 55E
N3/9 CDI control unit 1F
N3/9 CDI control unit 55E
N30/4 Electronic Stability Program (ESP®) control unit 1D
N58/1 Climate control operating unit 1A
N73 Electronic ignition switch control unit 16D
N73 Electronic ignition switch control unit 39F
U1042 Valid except code B01 (48 V technology) 36C
Y3/8 Fully integrated transmission control controller unit 55G
G15074823Courtesy of MERCEDES-BENZ USA
G15074824Courtesy of MERCEDES-BENZ USA
G15074825Courtesy of MERCEDES-BENZ USA