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Home >> Mercedes Benz >> 2007 >> CL550 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control -- Cl550 -- 216 Chassis >> Wiring Diagrams >> Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97CAB

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

Code: Designation: Position:
A0 Color code key 48L
A32 AC air recirculation unit 20L
A32m1 Blower motor 22L
A32n1 Blower regulator 19L
A9 Refrigerant compressor 24L
A9 Refrigerant compressor 28L
A9 Refrigerant compressor 26L
B10/30 Non-ventilated interior air in-car temperature cockpit sensor 43K
B10/31 Left side outlet temperature sensor 44K
B10/32 Right side outlet temperature sensor 46K
B10/35 Left footwell temperature sensor 44K
B10/36 Right footwell temperature sensor 46K
B10/6 Evaporator temperature sensor 45K
B12 Refrigerant pressure sensor 13L
B31/1 AAC [KLA] multifunction sensor 37L
B32/2 AAC [KLA] 4-way sun sensor 39L
M2/30 Upper left blending air flap actuator motor 41K
M2/31 Lower left blending air flap actuator motor 42K
M2/5 Fresh air/air recirculation flaps actuator motor 42K
N10/1 Front SAM control unit with fuse and relay module 30L
N10/1 Front SAM control unit with fuse and relay module 35L
N22/1 AAC [KLA] control unit 4A
N22/1 AAC [KLA] control unit 12A
N22/1 AAC [KLA] control unit 20A
N22/1 AAC [KLA] control unit 28A
N22/1 AAC [KLA] control unit 36A
N22/1 AAC [KLA] control unit 45A
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 8K
R41/4 Rear center air outlet potentiometer 15L
R41/4e1 Rear center air vent symbol illumination 15K
R41/4e2 Rear center air vent symbol illumination 15K
R41/4r1 Left rear center air outlet potentiometer 15K
R41/4r2 Right rear center air outlet potentiometer 16K
U1019 Valid for engine 278 23F
U1028 Valid for engine 157 23F
U12 Valid for left-hand drive vehicles 18F
U12 Valid for left-hand drive vehicles 4D
U12 Valid for left-hand drive vehicles 11D
U13 Valid for right-hand drive vehicles 17G
U13 Valid for right-hand drive vehicles 4E
U13 Valid for right-hand drive vehicles 11E
U252 Valid for ECO start/stop function 23F
U484 Valid for M273 ME 25F
U779 Valid for engine 275 27F
W15 Power ground (electronics) 18H
W15 Power ground (electronics) 5F
W15 Power ground (electronics) 11F
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 23H
X26 Interior and engine wiring harness connector 25H
Z110/1 AC bus solder terminal 37G
Z110/3 AC bus solder terminal 36G
Z111 Voltage supply connector sleeve 20E
Z111/1 AC 12V solder terminal 38G
Z68/3 AC LIN bus data connector sleeve 19E
Z68/7 Cockpit AC system sensor ground 45E
Z7/60 5V output connector sleeve (solder connector in wiring harness) 15G
Z7/60 5V output connector sleeve (solder connector in wiring harness) 9E
Z7/60 5V output connector sleeve (solder connector in wiring harness) 3E
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 3)
G07638914Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning (AAC) Control Unit Wiring Diagram (2 Of 3)
G07638915Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning (AAC) Control Unit Wiring Diagram (3 Of 3)
G07638916Courtesy of MERCEDES-BENZ USA