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Home >> Mercedes Benz >> 2015 >> C400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 205 Chassis (4D Sedan) >> Wiring Diagrams >> Electrical function schematic for climate control actuation >> Electrical function schematic for climate control actuation - PE83.40-P-2057-97FBA

Electrical function schematic for climate control actuation - PE83.40-P-2057-97FBA

Code: Designation: Position:
1 Circuit 15, status 16G
10 Fan motor, request 16J
10 Fan motor, request 9K
10 Fan motor, request 5G
11 Fan motor, actuation 4D
12 PTC heater booster, actuation 17C
13 High-voltage PTC heater, actuation 11B
14 High-voltage PTC heater switchover valve, request 11C
15 High-voltage PTC heater switchover valve, actuation 9B
16 Evaporator shutoff valve, actuation 21C
17 Coolant circulation pump, actuation 18G
18 Heater circuit circulation pump, request 11C
19 Heater circuit circulation pump, actuation 9A
2 Blower motor, request 19E
20 Ionizer, actuation 11F
21 Glove compartment anti-theft alarm system switch, status 9E
22 Perfume atomizer generator, actuation 11E
23 Refrigerant circuit, status 16J
23 Refrigerant circuit, status 10K
23 Refrigerant circuit, status 9H
24 High-voltage battery cooling shutoff valve, actuation 9H
25 High-voltage battery cooling system expansion valve, actuation 6J
26 Shift point, increase request 10K
26 Shift point, increase request 7D
26 Shift point, increase request 16H
27 Light-emitting diode actuation 13C
3 Blower motor, actuation 21E
4 Booster blower electronic blower regulator, actuation 15B
5 Actuator motors, actuation 30G
6 Refrigerant compressor, actuation 13G
7 Refrigerant compressor magnetic clutch, actuation 13F
8 Idle speed increase, request 16J
8 Idle speed increase, request 3G
8 Idle speed increase, request 9K
9 Electric refrigerant compressor, actuation 10C
A32m1 Blower motor 21D
A32n1 Blower regulator 21F
A9 Refrigerant compressor 14H
A9/5 Electric refrigerant compressor 9C
A9/5m1 Refrigerant compressor electric motor 9C
A9/5n1 Refrigerant compressor control unit and power electronics 9C
A9/7 Refrigerant compressor with magnetic clutch 12H
A9/7y1 Refrigerant compressor regulation valve 12J
A9/7y2 Refrigerant compressor magnetic clutch 12J
A9y1 Refrigerant compressor regulation valve 14J
CAN B Interior CAN 16H
CAN C Engine CAN 6K
CAN C1 Drive train CAN 7H
CAN C1 Drive train CAN 5L
CAN L Hybrid CAN 8J
Code 581 THERMOTRONIC automatic air conditioning 20H
Code 581 THERMOTRONIC automatic air conditioning 20K
Code 581 THERMOTRONIC automatic air conditioning 15A
Code B09 Refrigerant compressor with magnetic clutch 12H
Code B09 Refrigerant compressor with magnetic clutch 13F
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 8A
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUGIN) 5H
Code P21 AIR-BALANCE package 9D
Code P21 AIR-BALANCE package 9F
Flex E Chassis FlexRay 12K
LIN B8-1 Climate control LIN 1 18F
LIN B8-2 Climate control LIN 2 17E
LIN B8-2 Climate control LIN 2 16D
LIN B8-2 Climate control LIN 2 12D
LIN B8-2 Climate control LIN 2 12E
LIN B8-2 Climate control LIN 2 12F
LIN B8-2 Climate control LIN 2 15C
LIN B8-2 Climate control LIN 2 12C
LIN B8-3 AC operation LIN 14C
M13/5 Coolant circulation pump 18H
M16/11 Left A-pillar air distribution actuator motor 22G
M16/12 Right A-pillar air distribution actuator motor 22G
M2/10 Rear blend air flap actuator motor 21H
M2/11 Left footwell vent/center air vent/side air vent and rear vent flap actuator motor 21J
M2/12 Right footwell vent/center air vent and side air vent flap actuator motor 21J
M2/13 Fresh air/ram air/air recirculation flap actuator motor 21J
M2/14 Defroster/footwell/center air vent flap actuator motor 21K
M2/15 Defroster vent flap actuator motor 21K
M2/8 Left blending air flap actuator 21H
M2/9 Right blending air flap actuator 21H
M4/7 Fan motor 4B
M91/6 Heater circuit circulation pump 8A
N127 Drivetrain control unit 8K
N18/9 Driver side air vent ionizer 10F
N22/1 Climate control unit 15E
N29/8 Booster blower electronic blower regulator 15B
N3/10 ME-SFI [ME] control unit 5E
N3/9 CDI control unit 2E
N33/5 High-voltage PTC heater 10A
N58/1 Climate control operating unit 13A
N59 Perfume atomizer generator 10E
N73 Electronic ignition switch control unit 16K
N82/2 Battery management system control unit 8G
R22/3 PTC heater booster 19C
S17/9 Glove box lamp switch 8F
U1018 Valid for gasoline engine 276 4F
U25 Valid for automatic transmission 17H
U25 Valid for automatic transmission 11K
U25 Valid for automatic transmission 8D
U25 Valid for automatic transmission 5B
U362 Valid for gasoline engine 274 4F
U39 Valid for gasoline engine 177 4F
U406 Valid for diesel engine 626 1F
U462 Valid without code B09 Refrigerant compressor with magnetic clutch 13H
U561 Valid for Delphi system 1F
U562 Valid for Bosch system 1F
U74 Valid for diesel engines 18A
U948 Valid for diesel engine 651 1F
U974 Not valid for hybrid drive 8D
U974 Not valid for hybrid drive 13H
U974 Not valid for hybrid drive 17H
U974 Not valid for hybrid drive 11K
U974 Not valid for hybrid drive 5C
U978 Valid for hybrid drive 21B
U978 Valid for hybrid drive 9B
U978 Valid for hybrid drive 10G
U978 Valid for hybrid drive 8G
Y110 High-voltage battery cooling system expansion valve 5H
Y16/5 High-voltage PTC heater switchover valve 8B
Y19/1 High-voltage battery cooling system shutoff valve 10H
Y19/3 Front evaporator shutoff valve 22B
Y3/8n4 Fully integrated transmission control unit 7C
Fig 1: Climate Control Actuation Electrical Function Schematic (1 Of 2)
G10134943Courtesy of MERCEDES-BENZ USA
Fig 2: Climate Control Actuation Electrical Function Schematic (2 Of 2)
G10134944Courtesy of MERCEDES-BENZ USA