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Home >> Mercedes Benz >> 2013 >> ML350 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 166 Chassis - 2 Of 2 >> Wiring Diagrams >> Wiring diagram of automatic air conditioning (AAC) control unit >> Wiring diagram of automatic air conditioning (AAC) control unit - PE83.40-P-2101-97NBA

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

Code: Designation: Position:
A0 Color code key 88L
A32 AC housing 31L
A32m1 Blower motor 29L
A32n1 Blower regulator 32L
A9 Refrigerant compressor 9L
A9/5 Electric refrigerant compressor 76L
A9/7 Refrigerant compressor with magnetic clutch 9L
A9/7y1 Refrigerant compressor regulation valve 8L
A9/7y2 Refrigerant compressor magnetic clutch 10L
A9y1 Refrigerant compressor regulation valve 9L
B10/31 Left side air outlet temperature sensor 41L
B10/32 Right side air outlet temperature sensor 40L
B10/35 Left footwell air outlet temperature sensor 42L
B10/36 Right footwell air outlet temperature sensor 43L
B10/6 Evaporator temperature sensor 69L
B10/7 Rear air duct air outlet temperature sensor 45L
B12 Refrigerant pressure sensor 20L
B32/3 Sun sensor 38L
CAN B Interior CAN 26K
Code B09 Refrigerant compressor with magnetic clutch 6K
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUG-IN) 11A
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUG-IN) 70C
Code ME05 HYBRID DRIVE 80 KW VARIANT (INCLUDING PLUG-IN) 78C
Code P21 AIR-BALANCE package 78D
Code P21 AIR-BALANCE package 83C
F3/3 Cockpit circuit 30g fuse box 4L
F3/3f19 Fuse 19 3L
F32/4 Interior prefuse box 67L
F32/4f257 Fuse 257 66L
F33 Battery compartment prefuse box 35L
F33f32 Fuse 32 35L
F4 Rear fuse box 23L
F58 Engine compartment fuse and relay module 16L
M13/5 Coolant circulation pump 19L
M2/10 Left footwell flap actuator motor 56L
M2/12 Left center air outlet flap actuator motor 60L
M2/21 Rear actuator motor blend air flap with cut off function 58L
M2/35 Rear air distribution flap actuator motor 46L
M2/5 Fresh air/air recirculation flap actuator motor 49L
M2/6 Left blending air flap actuator 55L
M2/7 Right blending air flap actuator 51L
M2/8 Left defroster vent flap actuator motor 53L
N18/9 Driver side air vent ionizer 81L
N18/9 Driver side air vent ionizer 85L
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 53A
N22/7 Automatic air conditioning control and operating unit 60A
N22/7 Automatic air conditioning control and operating unit 20A
N22/7 Automatic air conditioning control and operating unit 68A
N22/7 Automatic air conditioning control and operating unit 14A
N22/7 Automatic air conditioning control and operating unit 4A
N22/7 Automatic air conditioning control and operating unit 76A
N22/7s2 Air recirculation mode button 51A
N33/5 High-voltage PTC heater 72L
R22/3 PTC heater booster 63L
U1018 Valid for gasoline engine 276 6A
U462 Valid without code B09 Refrigerant compressor with magnetic clutch 6K
U576 Valid for heater booster 62G
U880 Valid for engine 642 6B
U948 Valid for diesel engine 651 6A
U974 Not valid for hybrid drive 7A
U974 Not valid for hybrid drive 83D
W1/4 Cockpit ground point 31H
W1/4 Cockpit ground point 3E
W52/7 PTC heater booster ground connection 64H
W9 Left front ground point (at lamp unit) 19H
X122/2 Rear air conditioning electrical connector 44H
X18 Vehicle interior and harness for tail lamp electrical connector 16E
X18 Vehicle interior and harness for tail lamp electrical connector 34G
X18 Vehicle interior and harness for tail lamp electrical connector 48H
X18 Vehicle interior and harness for tail lamp electrical connector 8E
X18 Vehicle interior and harness for tail lamp electrical connector 12E
X18 Vehicle interior and harness for tail lamp electrical connector 10E
X18 Vehicle interior and harness for tail lamp electrical connector 74E
X22/2 Automatic transmission/intelligent servo module electrical connector 7J
X234/1 Refrigerant compressor electrical connector 74H
X25/2 Engine compartment/vehicle interior electrical connector 16G
X25/2 Engine compartment/vehicle interior electrical connector 8F
X26 Interior and engine wiring harness electrical connector 8H
X26/31 Engine/engine compartment electrical connector 7H
X26/4 Cockpit adapter wiring harness electrical connector 37G
X30/6 Cockpit potential distributor electrical connector (CAN) 26L
Y19/3 Front evaporator shutoff valve 13L
Z68/1 Instrument panel circuit 31 A/C operation LIN connector sleeve 50E
Z68/2 Instrument panel A/C operation LIN positive line connector sleeve 51E
Z68/25 Local Interconnect Network 3 (A/C) data connector sleeve 81G
Z68/40 LIN2 and LIN3 connector sleeve (ground connection) 80G
Z68/41 LIN2 and LIN3 connector sleeve (terminal 30) 82G
Z68/49 Vehicle interior A/C LIN 3 data line connector sleeve 75G
Z68/50 Vehicle interior LIN 2 and LIN 3 ground line connector sleeve 74G
Z68/7 Cockpit air conditioning ground connection connector sleeve 42E
Fig 1: Automatic Air Conditioning Control Unit - Wiring Diagram (1 Of 6)
G10078671Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Control Unit - Wiring Diagram (2 Of 6)
G10078672Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning Control Unit - Wiring Diagram (3 Of 6)
G10078673Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning Control Unit - Wiring Diagram (4 Of 6)
G10078674Courtesy of MERCEDES-BENZ USA
Fig 5: Automatic Air Conditioning Control Unit - Wiring Diagram (5 Of 6)
G10078675Courtesy of MERCEDES-BENZ USA
Fig 6: Automatic Air Conditioning Control Unit - Wiring Diagram (6 Of 6)
G10078676Courtesy of MERCEDES-BENZ USA