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Home >> Mercedes Benz >> 2015 >> CLS400 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-2101-97XAB

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

Code: Designation: Position:
A0 Color code key 80L
A9 Refrigerant compressor 23L
A9 Refrigerant compressor 26L
B10/38 Rear footwell air outlet temperature sensor 74L
B10/4 Interior temperature sensor 39L
B12 Refrigerant pressure sensor 33L
B31 Emissions sensor 35L
B82 Vehicle interior humidity/temperature sensor 77L
CAN B Interior CAN 42K
E10/1 Left center air outlet symbol illumination 45L
E10/2 Left front side air outlet symbol illumination 48L
E10/2x1 Left front side vent symbol illumination electrical connector 47H
E10/3 Right front side air outlet symbol illumination 49L
E10/3x1 Right front side vent symbol illumination electrical connector 49H
E10/4 Right center air outlet symbol illumination 46L
E10/5 Rear air outlet symbol illumination 51L
E10/5x1 Rear vent symbol illumination electrical connector 50H
M2/1 Rear blower motor 64L
N10/1 Front SAM control unit with fuse and relay module 4L
N10/1 Front SAM control unit with fuse and relay module 13L
N10/1 Front SAM control unit with fuse and relay module 31L
N10/1f12 Fuse 12 1K
N10/2 Rear SAM control unit with fuse and relay module 57L
N10/2f66 Fuse 66 55K
N22/4 Rear automatic air conditioning operating unit 70L
N22/7 Automatic air conditioning control and operating unit 4A
N22/7 Automatic air conditioning control and operating unit 12A
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
N22/7 Automatic air conditioning control and operating unit 68A
N22/7 Automatic air conditioning control and operating unit 76A
N22/7s1 Rear window heater button 7A
N22/7s2 Air recirculation mode button 11A
N70/3 Overhead control panel electronics 19L
U12 Valid for left-hand drive vehicles 36H
U12 Valid for left-hand drive vehicles 10E
U12 Valid for left-hand drive vehicles 3C
U12 Valid for left-hand drive vehicles 28F
U12 Valid for left-hand drive vehicles 37F
U12 Valid for left-hand drive vehicles 53J
U13 Valid for right-hand drive vehicles 36J
U13 Valid for right-hand drive vehicles 10F
U13 Valid for right-hand drive vehicles 3C
U13 Valid for right-hand drive vehicles 28F
U13 Valid for right-hand drive vehicles 39F
U13 Valid for right-hand drive vehicles 53J
U328 Valid for air outlet symbol illumination 44D
U487 Valid for refrigerant compressor with magnetic clutch 25D
U74 Valid for diesel engines 21F
U74 Valid for diesel engines 25F
U75 Valid for gasoline engines 23F
U75 Valid for gasoline engines 26F
U897 Valid for intelligent servo module for DIRECT SELECT 73F
U897 Valid for intelligent servo module for DIRECT SELECT 52J
U897 Valid for intelligent servo module for DIRECT SELECT 59E
U897 Valid for intelligent servo module for DIRECT SELECT 65E
U940 Valid without DIRECT SELECT 52J
U940 Valid without DIRECT SELECT 62K
U940 Valid without DIRECT SELECT 62E
U940 Valid without DIRECT SELECT 73F
U991 Valid for all except tilting/sliding roof 17G
W15/1 Right footwell ground point 29H
W15/2 Left footwell ground point 29H
W15/5 Left front footwell ground point 11G
W15/5 Left front footwell ground point 36L
W15/5 Left front footwell ground point 4F
W15/5 Left front footwell ground point 54L
W15/7 Right front footwell ground point 11G
W15/7 Right front footwell ground point 36L
W15/7 Right front footwell ground point 4F
W15/7 Right front footwell ground point 54L
W18 Left front seat crossmember ground point 52L
W18 Left front seat crossmember ground point 62L
W19 Right front seat crossmember ground point 52L
W19 Right front seat crossmember ground point 60E
X138/1 Front center console electrical connector 60H
X138/1 Front center console electrical connector 65G
X138/1 Front center console electrical connector 73H
X15/5 Temperature sensor electrical connector 39G
X157/1 Center console ambiance illumination electrical connector 45G
X18 Vehicle interior and harness for tail lamp electrical connector 69F
X25/2 Engine compartment/interior electrical connector 14H
X25/2 Engine compartment/interior electrical connector 30E
X26 Interior and engine wiring harness electrical connector 22H
X26 Interior and engine wiring harness electrical connector 23H
X26 Interior and engine wiring harness electrical connector 25H
X26 Interior and engine wiring harness electrical connector 27H
X83/11 Circuit 56 exterior lights switch electrical connector 76G
Z111 Air conditioning connector sleeve 1 30G
Z37/6z2 Interior CAN (high) connector sleeve 42E
Z37/7z2 Interior CAN (low) connector sleeve 43E
Z50/1 Circuit 58d instrument panel connector sleeve 4G
Z50/1 Circuit 58d instrument panel connector sleeve 49E
Z51/6 Circuit 58d vehicle interior connector sleeve 9G
Z51/6 Circuit 58d vehicle interior connector sleeve 72H
Z51/6 Circuit 58d vehicle interior connector sleeve 50E
Z6/79 Front center console circuit 31 connector sleeve 61L
Z6/85 Sensor ground connector sleeve 2G
Z6/85 Sensor ground connector sleeve 39E
Z6/85 Sensor ground connector sleeve 73D
Z68/1 Instrument panel circuit 31 climate control LIN connector sleeve 5G
Z68/1 Instrument panel circuit 31 climate control LIN connector sleeve 76E
Z68/1 Instrument panel circuit 31 climate control LIN connector sleeve 71D
Z68/10 Instrument panel LIN connector sleeve 5D
Z68/10 Instrument panel LIN connector sleeve 76E
Z68/11 Rear air conditioning LIN bus ground line connector sleeve 71G
Z68/12 Rear air conditioning LIN bus positive lead connector sleeve 69H
Z68/13 Rear air conditioning LIN bus data line connector sleeve 70G
Z6z1 Circuit 31 connector sleeve 47E
Z6z3 Circuit 31 connector sleeve 4D
Z6z5   36G
Z7/21 Air conditioning circuit 30 connector sleeve 6G
Z7/21 Air conditioning circuit 30 connector sleeve 69D
Z7/21 Air conditioning circuit 30 connector sleeve 77D
Fig 1: Automatic Air Conditioning Control Unit - Wiring Diagram (1 Of 5)
G10084152Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Control Unit - Wiring Diagram (2 Of 5)
G10084153Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning Control Unit - Wiring Diagram (3 Of 5)
G10084154Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning Control Unit - Wiring Diagram (4 Of 5)
G10084155Courtesy of MERCEDES-BENZ USA
Fig 5: Automatic Air Conditioning Control Unit - Wiring Diagram (5 Of 5)
G10084156Courtesy of MERCEDES-BENZ USA