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Home >> Mercedes Benz >> 2012 >> CLS550 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 218 Chassis >> Wiring Diagrams >> Wiring diagram of automatic air conditioning (AAC) control unit >> Wiring diagram of automatic air conditioning (AAC) control unit - PE83.40-P-2101-97XAA

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

Code: Designation: Position:
A0 Color code key 64L
A9 Refrigerant compressor 20L
A9 Refrigerant compressor 23L
B10/31 Left side air outlet temperature sensor 55L
B10/32 Right side air outlet temperature sensor 57L
B10/35 Left front footwell air outlet temperature sensor 54L
B10/36 Right front footwell air outlet temperature sensor 58L
B10/4 Interior temperature sensor 44L
B10/6 Evaporator temperature sensor 61L
B12 Refrigerant pressure sensor 30L
B32/3 Sun sensor 59L
B82 Vehicle interior humidity/temperature sensor 52L
CAN B Interior CAN 49K
E10/1 Left center air outlet symbol illumination 32L
E10/2 Left front side air outlet symbol illumination 34L
E10/2x1 Left front side vent symbol illumination electrical connector 34H
E10/3 Right front side air outlet symbol illumination 36L
E10/3x1 Right front side vent symbol illumination electrical connector 35H
E10/4 Right center air outlet symbol illumination 33L
E10/5 Rear air outlet symbol illumination 37L
E10/5x1 Rear vent symbol illumination electrical connector 37H
N10/1 Front SAM control unit with fuse and relay module 4L
N10/1 Front SAM control unit with fuse and relay module 11L
N10/1 Front SAM control unit with fuse and relay module 27L
N10/1f12 Fuse 12 1K
N22/7 Automatic air conditioning control and operating unit 12A
N22/7 Automatic air conditioning control and operating unit 4A
N22/7 Automatic air conditioning control and operating unit 20A
N22/7 Automatic air conditioning control and operating unit 28A
N22/7 Automatic air conditioning control and operating unit 36A
N22/7 Automatic air conditioning control and operating unit 44A
N22/7 Automatic air conditioning control and operating unit 52A
N22/7 Automatic air conditioning control and operating unit 60A
N22/7s1 Rear window heater button 7A
N22/7s2 Air recirculation mode button 10A
N70/3 Overhead control panel electronics 16L
U12 Valid for left-hand drive vehicles 4C
U12 Valid for left-hand drive vehicles 7D
U12 Valid for left-hand drive vehicles 25F
U12 Valid for left-hand drive vehicles 40J
U12 Valid for left-hand drive vehicles 42E
U13 Valid for right-hand drive vehicles 4C
U13 Valid for right-hand drive vehicles 7D
U13 Valid for right-hand drive vehicles 25F
U13 Valid for right-hand drive vehicles 40J
U13 Valid for right-hand drive vehicles 44E
U328 Valid for air outlet symbol illumination 31D
U487 Valid for refrigerant compressor with magnetic clutch 22D
U74 Valid for diesel engines 18F
U74 Valid for diesel engines 22F
U75 Valid for gasoline engines 20F
U75 Valid for gasoline engines 23F
U897 Valid for intelligent servo module for DIRECT SELECT 38J
U940 Valid without DIRECT SELECT 38J
U991 Valid for all except tilting/sliding roof 14G
W15/1 Right footwell ground point 26H
W15/2 Left footwell ground point 26H
W15/5 Left front footwell ground point 5F
W15/5 Left front footwell ground point 7E
W15/5 Left front footwell ground point 41L
W15/7 Right front footwell ground point 5F
W15/7 Right front footwell ground point 7E
W15/7 Right front footwell ground point 41L
W18 Left front seat crossmember ground point 39L
W19 Right front seat crossmember ground point 39L
X15/5 Temperature sensor electrical connector 45G
X157/1 Center console ambiance illumination electrical connector 31G
X25/2 Engine compartment/interior electrical connector 11G
X25/2 Engine compartment/interior electrical connector 27E
X26 Interior and engine wiring harness electrical connector 18H
X26 Interior and engine wiring harness electrical connector 22H
X26 Interior and engine wiring harness electrical connector 20H
X26 Interior and engine wiring harness electrical connector 24H
X83/11 Circuit 56 exterior lights switch electrical connector 51H
Z111 Air conditioning connector sleeve 1 27G
Z37/6z2 Interior CAN (high) connector sleeve 48E
Z37/7z2 Interior CAN (low) connector sleeve 50E
Z50/1 Circuit 58d instrument panel connector sleeve 5G
Z50/1 Circuit 58d instrument panel connector sleeve 35E
Z51/6 Circuit 58d vehicle interior connector sleeve 4G
Z51/6 Circuit 58d vehicle interior connector sleeve 37E
Z6/85 Sensor ground connector sleeve 3G
Z6/85 Sensor ground connector sleeve 45D
Z68/10 Instrument panel LIN connector sleeve 51E
Z6z1 Circuit 31 connector sleeve 34E
Z6z3 Circuit 31 connector sleeve 4E
Z6z5   42E
Z7/21 Air conditioning circuit 30 connector sleeve 2G
Z7/21 Air conditioning circuit 30 connector sleeve 6G
Z7/21 Air conditioning circuit 30 connector sleeve 52E
Fig 1: Automatic Air Conditioning Control Unit - Wiring Diagram (1 Of 4)
G10084148Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Control Unit - Wiring Diagram (2 Of 4)
G10084149Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning Control Unit - Wiring Diagram (3 Of 4)
G10084150Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning Control Unit - Wiring Diagram (4 Of 4)
G10084151Courtesy of MERCEDES-BENZ USA