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Home >> Mercedes Benz >> 2008 >> C350 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - OEM Wiring Diagrams - C63/C350 (204) >> Wiring Diagrams >> Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052-97FAB

Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052-97FAB

Code: Designation: Position:
1 Circuit 15, status 14J
2 Engine stop enable, status 8K
2 Engine stop enable, status 10J
3 Vehicle speed, signal 19H
4 Engine speed, signal 7K
4 Engine speed, signal 10H
5 Power window motor, signal 30G
5 Power window motor, signal 24H
6 Tilting/sliding roof motor, signal 37H
7 Panoramic sliding sunroof motor, signal 37E
8 Outside temperature sensor, signal 8H
8 Outside temperature sensor, signal 10H
9 Refrigerant pressure sensor, signal 8J
9 Refrigerant pressure sensor, signal 10G
10 Rear automatic air conditioning operating unit, request 22E
11 Dew point sensor, signal 22D
12 Pollutant sensor, signal 22C
13 Evaporator temperature sensor, signal 24C
14 Interior temperature sensor, signal 37G
14 Interior temperature sensor, signal 25E
14 Interior temperature sensor, signal 25C
15 Sun sensor, signal 25D
16 Rotary tumbler switch, status 34G
16 Rotary tumbler switch, status 24G
16 Rotary tumbler switch, status 34J
16 Rotary tumbler switch, status 25K
17 Coolant temperature sensor, signal 7K
17 Coolant temperature sensor, signal 10G
17 Coolant temperature sensor, signal 4C
18 Evaporator drying, request 19J
19 Voice input, status 12E
20 Humidity/temperature sensor, signal 22C
A1 Instrument cluster 19J
A2/56 Radio with auto pilot system 9B
A40/3 COMAND control unit 13B
A8/1 Transmitter key 15L
A85/1s1 Right front door rotary tumbler switch 26K
A85/3s1 Left rear door rotary tumbler switch 33K
A85/4s1 Right rear door rotary tumbler switch 33L
A85s1 Left front door rotary tumbler switch 26K
A98 Panoramic sliding roof control module 37C
B10/4 Interior temperature sensor 27B
B10/6 Evaporator temperature sensor 23B
B11/12 Dew point sensor 17C
B11/4 Coolant temperature sensor 4B
B12 Refrigerant pressure sensor 6H
B14 Outside temperature sensor 7G
B31 Emissions sensor 17B
B32/3 Sun sensor 29B
B82 Interior humidity/temperature sensor 19A
CAN B Interior CAN 14G
CAN B Interior CAN 28G
CAN B Interior CAN 36G
CAN E Chassis CAN 5K
Code 413 Panoramic sliding sunroof 36B
Code 414 Electric glass tilting/sliding roof 36J
Code 511 Audio 50 APS incl. DVD changer 8A
Code 512 COMAND APS with DVD changer 11A
Code 527 COMAND APS 11A
Code 581 Comfort automatic air conditioning 16A
LIN B8 Climate control LIN 20E
LIN B8 Climate control LIN 20D
LIN B8 Climate control LIN 20C
LIN B8 Climate control LIN 21B
N10/1 Front SAM control unit with fuse and relay module 8J
N10/2 Rear SAM control unit with fuse and relay module 33H
N22/4 Rear automatic air conditioning operating unit 17E
N22/7 Automatic air conditioning control and operating unit 23D
N3/10 ME-SFI [ME] control unit 5D
N3/9 CDI control unit 2D
N69/1 Left front door control unit 23H
N69/2 Right front door control unit 23J
N69/3 Left rear door control unit 29H
N69/4 Right rear door control unit 29H
N70 Overhead control panel control unit 37J
N70/3 Overhead control panel electronics 31C
N70/3b1 Interior temperature sensor with integrated fan 32B
N70b1 Interior temperature sensor with integrated fan 37J
N73 Electronic ignition switch control unit 13J
U111 Valid for overhead control panel without CAN 30B
U113 Valid for 2-zone THERMATIC 22C
U114 Valid for 3-zone THERMOTRONIC 22C
U52 Valid for Japan 11B
U54 Valid for all except Japan 11B
U61 Not valid for model 204.3 28H
U61 Not valid for model 204.3 32J
U74 Valid for diesel engines 1D
U75 Valid for gasoline engines 4D
Fig 1: Automatic Air Conditioning, Input Signals - Electrical Function Schematic (1 Of 3)
G07532201Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning, Input Signals - Electrical Function Schematic (2 Of 3)
G07532202Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning, Input Signals - Electrical Function Schematic (3 Of 3)
G07532203Courtesy of MERCEDES-BENZ USA