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Home >> Mercedes Benz >> 2006 >> R350 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 251 Chassis - 2 Of 2 >> Wiring Diagrams >> Electrical function diagram for automatic air conditioning Input signals >> Electrical function diagram for automatic air conditioning Input signals - PE83.40-U-2052-99RAA

Electrical function diagram for automatic air conditioning Input signals - PE83.40-U-2052-99RAA

Code: Designation: Position:
1 Circuit 15, status 14 G
10 Tilting/sliding roof motor, signal 19 G
11 Sun sensor, signal 16 H
12 Coolant temperature sensor, signal 4 D
12 Coolant temperature sensor, signal 4 K
12 Coolant temperature sensor, signal 15 H
13 Engine speed, signal 4 J
13 Engine speed, signal 15 H
14 RCP control unit, signal 17 D
15 Rear air conditioning evaporator temperature sensor, signal 18 E
16 Rear-end door locking unit, status 18 F
16 Rear-end door locking unit, status 28 G
17 Rotary tumbler microswitch, status 19 F
17 Rotary tumbler microswitch, status 27 F
18 Vent window motor, signal 19 F
18 Vent window motor, signal 27 H
19 Panoramic sliding sunroof motor, signal 19 H
2 Vehicle speed, signal 14 D
21 Evaporator drying, request 14 D
3 Power window motor, signal 18 H
4 Air outlet temperature sensor, signal 18 D
5 Dew point sensor, signal 14 H
6 Outside temperature indicator temperature sensor, signal 14 F
7 Refrigerant pressure sensor, signal 14 F
8 Pollutant sensor, signal 14 E
9 Evaporator temperature sensor, signal 18 F
A1 Instrument cluster 6 A
A72 Rear door locking unit 29 G
A8/1 Transmitter key 11 G
B10/11 Rear air conditioning evaporator temperature sensor 25 E
B10/31 Left side outlet temperature sensor 23 D
B10/32 Right side outlet temperature sensor 23 D
B10/33 Left center outlet temperature sensor 23 D
B10/34 Right center outlet temperature sensor 23 D
B10/35 Left footwell temperature sensor 23 E
B10/36 Right footwell temperature sensor 23 E
B10/37 Rear headroom AC temperature sensor 25 E
B10/6 Evaporator temperature sensor 21 F
B10/7 Center rear interior temperature sensor 23 C
B11/12 Dew point sensor 13 K
B11/4 Coolant temperature sensor 4 C
B12 Refrigerant pressure sensor 12 E
B14 Outside temperature display temperature sensor 12 F
B31 Emissions sensor 9 D
B32 Sun sensor 16 K
B32/3 Dual sun sensor 16 K
CAN B Interior CAN 9 B
CAN B Interior CAN 10 L
CAN B Interior CAN 12 H
CAN B Interior CAN 19 J
CAN B Interior CAN 19 H
CAN B Interior CAN 20 G
CAN B Interior CAN 23 B
CAN C Engine compartment CAN 3 J
Code 581 Comfort automatic air conditioning 9 D
Code 581 Comfort automatic air conditioning 13 K
Code 581 Comfort automatic air conditioning 14 E
Code 581 Comfort automatic air conditioning 15 K
Code 582 Rear air conditioning 24 E
Code 582 Rear air conditioning 24 D
LIN B8 Climate control LIN 14 J
M14/5s1 Right front door rotary tumbler microswitch 26 D
M14/6s1 Left front door rotary tumbler microswitch 26 D
M14/8s1 Left rear door rotary tumbler microswitch 26 E
M14/9s1 Right rear door rotary tumbler microswitch 26 E
M21/8 Left vent window motor 26 J
M21/9 Right vent window motor 26 J
N10 Front SAM control unit 18 J
N10/8 Rear SAM control unit 26 F
N22 AAC [KLA] control and operating unit 16 E
N22/7 Comfort AAC [KLA] control and operating unit 16 F
N22/7b1 In-car temperature sensor 17 E
N22b1 In-car temperature sensor 17 E
N3/10 ME-SFI [ME] control unit 5 E
N3/9 CDI control unit 3 E
N69/1 Left front door control unit 20 J
N69/2 Right front door control unit 20 K
N70 Overhead control panel control unit 23 G
N72/2 RCP [HBF] control unit 26 B
N73 EIS [EZS] control unit 11 G
N93 Central gateway control unit 4 K
U151 Valid for engine 113 4 G
U152 Valid for engine 156 4 H
U273 Valid for engine 272 except 272.973, 273 4 G
U277 Valid for engine 642.9 1 G
U74 Valid for diesel engines 1 E
U75 Valid for gasoline engines 4 E
Fig 1: Automatic Air Conditioning Input Signals Electrical Function Diagram (1 Of 2)
G10122879Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Input Signals Electrical Function Diagram (2 Of 2)
G10122880Courtesy of MERCEDES-BENZ USA