Rear a/c circuit for Mercedes-Benz S-class W221 facelift (2009-2013)
Rear a/c circuit
1 2 3 4 30 31 CAN-A L CAN-A H
15 16 CAN-B H CAN-B L
23 16 24 LIN BUS LIN BUS
41 54 CAN E H CAN E L
5 4 6 LIN-DATA LIN (-) LIN (+)
AAC (KLA) CONTROL UNIT (CENTER DASH)
BLK WIRE
BLK/BLU (OR BLK/PNK) WIRE
BLK/BLU WIRE
BLK/BRN WIRE
BLK/GRY WIRE
BLK/ORG WIRE
BLK/PNK WIRE
BLK/WHT WIRE
BLU WIRE
BRN WIRE
BRN/BLK WIRE
BRN/GRN WIRE
BRN/GRY WIRE
BRN/PNK WIRE
BRN/YEL WIRE
COMPUTER DATA LINES SYSTEM
COOLANT CIRCULATION PUMP
ENGINE
ENGINE CONTROLS SYSTEM
FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR ENGINE COMPT)
FUSE 108
FUSE 23
FUSE 5 COMPARTMENT PREFUSE BOX (RIGHT REAR ENGINE COMPT)
GRN WIRE
GRN/VIO WIRE
GRN/WHT WIRE
GRN/YEL WIRE
GRY/BLU WIRE
GRY/GRN WIRE
GRY/ORG WIRE
HEATED WINDSHIELD CONTROL UNIT (W/ SPECIAL PROTECTION)
HOT AT ALL TIMES
HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED
LEFT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER LEFT FRONT SEAT)
LEFT DUOVALVE
LEFT REAR CENTER AIR OUTLET ACTUATOR MOTOR
ME-SFI (ME) CONTROL UNIT (RIGHT REAR OF ENGINE COMPT)
PNK WIRE
PNK/GRY WIRE
REAR A/C CONTROL MODULE
REAR A/C ELECTRONIC BLOWER REGULATOR (IN REAR OF CENTER CONSOLE)
REAR AUXILIARY HEATING SYSTEM SUPPLY UNIT
REAR BLOWER MOTOR (IN REAR OF CENTER CONSOLE)
REAR EVAPORATOR TEMPERATURE SENSOR (REAR OF CENTER CONSOLE)
REAR REFRIGERANT SHUT-OFF VALVE (LEFT FRONT WHEELHOUSE)
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/GRN WIRE
RED/WHT WIRE
RIGHT B-PILLAR AIR DISTRIBUTION ACTUATOR MOTOR (UNDER RIGHT FRONT SEAT)
RIGHT DUOVALVE
RIGHT REAR AIR CONDITIONING HEATER EXCHANGER TEMPERATURE SENSOR
RIGHT REAR CENTER AIR OUTLET ACTUATOR MOTOR
VIO WIRE
W/ REAR WINDOW DEFROSTER
W/O REAR WINDOW DEFROSTER
YEL WIRE
YEL/BLK WIRE
YEL/BLU WIRE
YEL/RED WIRE