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Home >> Mercedes Benz >> 2012 >> C250 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 204 C Class - 1 Of 2 >> Wiring Diagrams >> Wiring diagram for automatic air conditioning (AAC) control unit >> Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAD

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

Code: Designation: Position:
A0 Color code key 56L
A32 AC housing 12L
A32 AC housing 17L
A32m1 Blower motor 15L
A32m1 Blower motor 20L
A32m1x1 Blower motor electrical connector 14H
A32n1 Blower regulator 12L
A32n1 Blower regulator 18L
A32x1 Air conditioner housing electrical connector 12G
A32x1 Air conditioner housing electrical connector 17G
A32z1 Air conditioner housing connector sleeve 13H
B10/31 Left side air outlet temperature sensor 5L
B10/32 Right side air outlet temperature sensor 6L
B10/35 Left front footwell air outlet temperature sensor 3L
B10/36 Right front footwell air outlet temperature sensor 7L
B10/6 Evaporator temperature sensor 1L
B32/3 Sun sensor 9L
Code B03 ECO start/stop function 23H
LIN B8 Climate control LIN 29B
M16/22 Air distribution flap actuator motor 33L
M16/22 Air distribution flap actuator motor 45L
M2/16 Defroster vent flap actuator motor 31L
M2/16 Defroster vent flap actuator motor 43L
M2/5 Fresh air/air recirculation flap actuator motor 41L
M2/5 Fresh air/air recirculation flap actuator motor 38L
M2/6 Left blending air flap actuator 46L
M2/6 Left blending air flap actuator 35L
M2/7 Right blending air flap actuator 37L
M2/7 Right blending air flap actuator 48L
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 42A
R22/3 PTC heater booster 28L
U12 Valid for left-hand drive vehicles 21G
U12 Valid for left-hand drive vehicles 30E
U13 Valid for right-hand drive vehicles 21G
U13 Valid for right-hand drive vehicles 40E
U240 Valid for all except ECO start/stop function 23H
U74 Valid for diesel engines 26H
W15/5 Left front footwell ground point 22L
W15/7 Right front footwell ground point 22L
W15/9 Ground point/PTC heater booster 28G
X18/40 Instrument panel harness and vehicle floor electrical connector 22E
X85/8 PTC heater booster electrical connector 27H
Fig 1: Automatic Air Conditioning Control Unit - Wiring Diagram (1 Of 4)
G10080975Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning Control Unit - Wiring Diagram (2 Of 4)
G10080976Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning Control Unit - Wiring Diagram (3 Of 4)
G10080977Courtesy of MERCEDES-BENZ USA
Fig 4: Automatic Air Conditioning Control Unit - Wiring Diagram (4 Of 4)
G10080978Courtesy of MERCEDES-BENZ USA