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Home >> Mercedes Benz >> 2017 >> E400 Base, 2D Convertible >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 207 Chassis >> Wiring Diagrams >> Wiring diagram of automatic air conditioning (AAC) control unit >> Wiring diagram of automatic air conditioning (AAC) control unit - PE83.40-P-2101-97EAA

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

Code: Designation: Position:
A0 Color code key 64L
A9 Refrigerant compressor 28L
A9 Refrigerant compressor 32L
A9 Refrigerant compressor 35L
A9 Refrigerant compressor 41L
A9/7 Refrigerant compressor with magnetic clutch 38L
A9/7 Refrigerant compressor with magnetic clutch 41L
B10/4 Interior temperature sensor 53L
B12 Refrigerant pressure sensor 43L
B82 Interior humidity/temperature sensor 20L
CAN B Interior CAN 56K
Code B03 ECO start/stop function 39F
E10/1 Left center air outlet symbol illumination 45L
E10/1x1 Center vent symbol illumination electrical connector 44J
E10/2 Left front side air outlet symbol illumination 47L
E10/3 Right front side air outlet symbol illumination 48L
E10/4 Right center air outlet symbol illumination 46L
E10/5 Rear air outlet symbol illumination 49L
E10/5x1 Rear vent symbol illumination electrical connector 49J
N10/1 Front SAM control unit with fuse and relay module 2L
N10/1 Front SAM control unit with fuse and relay module 11L
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 59A
N22/7s1 Rear window heater button 6A
N22/7s2 Air recirculation mode button 8A
N70/3 Overhead control panel electronics 23L
N70/3b1 Interior temperature sensor with integrated fan 24L
U1018 Valid for gasoline engine 276 31E
U1018 Valid for gasoline engine 276 33H
U1019 Valid for gasoline engine 278 31H
U1019 Valid for gasoline engine 278 31E
U111 Valid for overhead control panel without CAN 22E
U12 Valid for left-hand drive vehicles 6D
U12 Valid for left-hand drive vehicles 6D
U12 Valid for left-hand drive vehicles 4C
U12 Valid for left-hand drive vehicles 50J
U13 Valid for right-hand drive vehicles 4C
U13 Valid for right-hand drive vehicles 6D
U13 Valid for right-hand drive vehicles 50J
U157 Valid for combustion engine 272 DE 28F
U23 Valid for convertibles 18F
U328 Valid for air outlet symbol illumination 44D
U362 Valid for gasoline engine 274 39E
U462 Valid without code B09 Refrigerant compressor with magnetic clutch 39E
U484 Valid for gasoline engine 273 28E
U486 Valid for refrigerant compressor 31H
U486 Valid for refrigerant compressor 33H
U487 Valid for refrigerant compressor with magnetic clutch 37H
U611 Valid for Coupe 20F
U617 Interior humidity/temperature sensor 14H
U617 Interior humidity/temperature sensor 15H
U617 Interior humidity/temperature sensor 15H
U617 Interior humidity/temperature sensor 18E
U739 Valid for gasoline engine 271 DE 28E
U74 Valid for diesel engines 7D
U75 Valid for gasoline engines 7D
U819 Valid for gasoline engine 272 28E
U880 Valid for diesel engine 642 26E
U948 Valid for diesel engine 651 28F
U948 Valid for diesel engine 651 31E
U948 Valid for diesel engine 651 33J
U948 Valid for diesel engine 651 36J
W15/5 Left front footwell ground point 4E
W15/5 Left front footwell ground point 51L
W15/7 Right front footwell ground point 4E
W15/7 Right front footwell ground point 51L
W16/3 Left major assembly compartment ground point 7E
W16/4 Right wheelhouse ground point 7E
W16/5 Left major assembly compartment electronics ground point 7E
X15/12 Vehicle interior/cockpit temperature sensor electrical connector 52G
X18/35 Instrument panel and vehicle floor electrical connector 49G
X226 Electrical connector/fogging sensor 20H
X26 Interior and engine wiring harness electrical connector 27H
X26 Interior and engine wiring harness electrical connector 30H
X26 Interior and engine wiring harness electrical connector 34H
X26 Interior and engine wiring harness electrical connector 40H
X30/32 Left vehicle floor interior CAN voltage distributor electrical connector 56L
Z50/1 Circuit 58d instrument panel connector sleeve 4G
Z50/1 Circuit 58d instrument panel connector sleeve 47G
Z50/3 Circuit 31 instrument panel connector sleeve 46E
Z6/85 Sensor ground connector sleeve 2E
Z6/85 Sensor ground connector sleeve 54E
Z7/21 Air conditioning circuit 30 connector sleeve 5G
Z7/21 Air conditioning circuit 30 connector sleeve 2E
Z7/21 Air conditioning circuit 30 connector sleeve 14E
Z7/21 Air conditioning circuit 30 connector sleeve 41E
Fig 1: Automatic Air Conditioning Control Unit Wiring Diagram (1 Of 4)
G10082874Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Control Unit Wiring Diagram (2 Of 4)
G10082875Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning Control Unit Wiring Diagram (3 Of 4)
G10082876Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning Control Unit Wiring Diagram (4 Of 4)
G10082877Courtesy of MERCEDES-BENZ USA