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Home >> Mercedes Benz >> 2013 >> S400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 221 Chassis - 3 Of 3 >> Wiring Diagrams >> Wiring diagram for automatic air conditioning (AAC) control unit >> Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97SAB

Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97SAB

Code: Designation: Position:
A0 Color code key 80L
A32 AC air recirculation unit 20L
A32m1 Blower motor 22L
A32n1 Blower regulator 19L
A9 Refrigerant compressor 26L
A9 Refrigerant compressor 28L
A9 Refrigerant compressor 24L
A9 Refrigerant compressor 30L
B10/31 Left side outlet temperature sensor 73L
B10/32 Right side outlet temperature sensor 78L
B10/35 Left footwell temperature sensor 74L
B10/36 Right footwell temperature sensor 77L
B10/4 In-car temperature sensor 72L
B10/6 Evaporator temperature sensor 75L
B12 Refrigerant pressure sensor 13L
B31/1 AAC [KLA] multifunction sensor 39L
B32/2 AAC [KLA] 4-way sun sensor 41L
F32 Front prefuse 43L
F32/4 Interior prefuse box 43L
F32/4f7 Fuse 7 43K
F32f5 Fuse 5 43K
M2/10 Left footwell flap actuator motor 63L
M2/10 Left footwell flap actuator motor 64L
M2/11 Right footwell flap actuator motor 64L
M2/11 Right footwell flap actuator motor 62L
M2/12 Left center air flap actuator motor 66L
M2/12 Left center air flap actuator motor 61L
M2/13 Right center air flap actuator motor 66L
M2/13 Right center air flap actuator motor 61L
M2/17 Left side outlet flap actuator motor 50L
M2/17 Left side outlet flap actuator motor 55L
M2/18 Right side outlet flap actuator motor 50L
M2/18 Right side outlet flap actuator motor 55L
M2/30 Upper left blending air flap actuator motor 48L
M2/30 Upper left blending air flap actuator motor 70L
M2/31 Lower left blending air flap actuator motor 59L
M2/31 Lower left blending air flap actuator motor 68L
M2/32 Upper right blending air flap actuator motor 48L
M2/32 Upper right blending air flap actuator motor 70L
M2/33 Lower right blending air flap actuator motor 59L
M2/33 Lower right blending air flap actuator motor 68L
M2/5 Fresh air/air recirculation flaps actuator motor 57L
M2/5 Fresh air/air recirculation flaps actuator motor 57L
M2/8 Left defroster vent flap actuator motor 52L
M2/8 Left defroster vent flap actuator motor 54L
M2/9 Right defroster vent flap actuator motor 52L
M2/9 Right defroster vent flap actuator motor 54L
N10/1 Front SAM control unit with fuse and relay module 32L
N10/1 Front SAM control unit with fuse and relay module 37L
N22/1 AAC [KLA] control unit 4A
N22/1 AAC [KLA] control unit 12A
N22/1 AAC [KLA] control unit 28A
N22/1 AAC [KLA] control unit 20A
N22/1 AAC [KLA] control unit 36A
N22/1 AAC [KLA] control unit 44A
N22/1 AAC [KLA] control unit 52A
N22/1 AAC [KLA] control unit 60A
N22/1 AAC [KLA] control unit 68A
N22/1 AAC [KLA] control unit 77A
R22/3 PTC heater booster 45L
R41/1 Left side air outlet potentiometer 2L
R41/1e1 Left side air vent symbol illumination 4K
R41/1r1 Left side air vent potentiometer adjustment wheel 2K
R41/2 Right side air outlet potentiometer 6L
R41/2e1 Right side air vent symbol illumination 5K
R41/2r1 Right side air vent potentiometer adjustment wheel 6K
R41/3 Front center air outlet potentiometer 10L
R41/3e1 Front center air vent symbol illumination 10K
R41/3e2 Front center air vent symbol illumination 10K
R41/3r1 Left front center air outlet potentiometer 10K
R41/3r2 Right front center air outlet potentiometer 9K
R41/4 Rear center air outlet potentiometer 15L
R41/4e1 Rear center air vent symbol illumination 14K
R41/4e2 Rear center air vent symbol illumination 14K
R41/4r1 Left rear center air outlet potentiometer 15K
R41/4r2 Right rear center air outlet potentiometer 16K
U1018 Valid for gasoline engine 276 24F
U1019 Valid for engine 278 24F
U1028 Valid for engine 157 24G
U12 Valid for left-hand drive vehicles 18F
U12 Valid for left-hand drive vehicles 11D
U12 Valid for left-hand drive vehicles 4D
U12 Valid for left-hand drive vehicles 47F
U13 Valid for right-hand drive vehicles 17G
U13 Valid for right-hand drive vehicles 4E
U13 Valid for right-hand drive vehicles 11E
U13 Valid for right-hand drive vehicles 47F
U152 Valid for engine 156 23F
U252 Valid for ECO start/stop function 24F
U484 Valid for M273 ME 26F
U576 Valid for heater booster 42F
U779 Valid for engine 275 29F
U819 Valid for engine 272 26F
U880 Valid for engine 642 23F
U882 Valid for engine 629 23F
U948 Valid for diesel engine 651 26F
W15 Power ground (electronics) 18H
W15 Power ground (electronics) 5F
W15 Power ground (electronics) 11F
W15 Power ground (electronics) 44H
W15/4 Ground (cockpit, left footwell) 18H
W17 Ground (right rear seat) 14H
W34 Ground (left footwell) 5E
W34 Ground (left footwell) 11E
X26 Interior and engine wiring harness connector 25H
X26 Interior and engine wiring harness connector 27H
X85/8 Heater booster connector 43H
Z110/1 AC bus solder terminal 39G
Z110/3 AC bus solder terminal 38G
Z111 Voltage supply connector sleeve 20E
Z111/1 AC 12V solder terminal 40G
Z68/3 AC LIN bus data connector sleeve 19E
Z68/3 AC LIN bus data connector sleeve 46E
Z68/7 Cockpit AC system sensor ground 75G
Z7/60 5V output connector sleeve (solder connector in wiring harness) 15G
Z7/60 5V output connector sleeve (solder connector in wiring harness) 3E
Z7/60 5V output connector sleeve (solder connector in wiring harness) 9E
Z7/72 COC nozzles and sensors sensor ground connector sleeve 17G
Z7/72 COC nozzles and sensors sensor ground connector sleeve 1E
Z7/72 COC nozzles and sensors sensor ground connector sleeve 8E
Z81/11 Front passenger circuit 58d connector sleeve 3E
Z81/11 Front passenger circuit 58d connector sleeve 10E
Fig 1: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (1 Of 5)
G10129442Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (2 Of 5)
G10129443Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (3 Of 5)
G10129444Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (4 Of 5)
G10129445Courtesy of MERCEDES-BENZ USA
Fig 5: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (5 Of 5)
G10129446Courtesy of MERCEDES-BENZ USA