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Home >> Mercedes Benz >> 2013 >> S400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 221 Chassis - 3 Of 3 >> Wiring Diagrams >> Wiring diagram for automatic air conditioning (AAC) control unit >> Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97SAA

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

Code: Designation: Position:
A0 Color code key 48L
B82 Vehicle interior humidity/temperature sensor 30L
CAN B Interior CAN 15K
M16/33 Left B-pillar air distribution actuator motor 18L
M16/34 Right B-pillar air distribution actuator motor 21L
N10/1 Front SAM control unit with fuse and relay module 6L
N10/1 Front SAM control unit with fuse and relay module 12L
N10/1 Front SAM control unit with fuse and relay module 26L
N22/1 AAC [KLA] control unit 4A
N22/1 AAC [KLA] control unit 12A
N22/1 AAC [KLA] control unit 20A
N61 Heated windshield control unit 39L
N61 Heated windshield control unit 43L
U1023 Valid for humidity/temperature sensor 24F
U1023 Valid for humidity/temperature sensor 24J
U1023 Valid for humidity/temperature sensor 28H
U1029 Not valid for humidity/temperature sensor 23F
U12 Valid for left-hand drive vehicles 5F
U12 Valid for left-hand drive vehicles 2C
U13 Valid for right-hand drive vehicles 5F
U13 Valid for right-hand drive vehicles 2C
U294 Valid for heated windshield 35E
U294 Valid for heated windshield 41E
U66 Valid for rear air conditioning 31E
U66 Valid for rear air conditioning 34E
W15 Power ground (electronics) 5H
W15 Power ground (electronics) 3E
W34 Ground (left footwell) 5H
W34 Ground (left footwell) 3E
X30/34 Interior CAN/cockpit voltage distributor connector 15L
X53/1 Air conditioning connector 16E
X53/1 Air conditioning connector 32G
X53/1 Air conditioning connector 35J
Z110/1 AC bus solder terminal 24G
Z110/2 AC bus solder terminal 20G
Z110/2 AC bus solder terminal 27G
Z111 Voltage supply connector sleeve 12G
Z111 Voltage supply connector sleeve 21G
Z111 Voltage supply connector sleeve 26G
Z50/37 Air conditioner compressor ground connector sleeve 4G
Z68/15 Heated windshield LIN bus ground connector sleeve 39G
Z68/16 Heated windshield LIN bus positive connector sleeve 35G
Z68/17 Heated windshield LIN bus data connector sleeve 40G
Z68/17 Heated windshield LIN bus data connector sleeve 43G
Z68/3 AC LIN bus data connector sleeve 13G
Z7/60 5V output connector sleeve (solder connector in wiring harness) 6E
Z7/72 COC nozzles and sensors sensor ground connector sleeve 11G
Z81/11 Front passenger circuit 58d connector sleeve 8G
Fig 1: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (1 Of 3)
G10129439Courtesy of MERCEDES-BENZ USA
Fig 2: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (2 Of 3)
G10129440Courtesy of MERCEDES-BENZ USA
Fig 3: Automatic Air Conditioning (AAC) Control Unit - Wiring Diagram (3 Of 3)
G10129441Courtesy of MERCEDES-BENZ USA