BMW 3 series E46 (1998-2003) Automatic a/c circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SOLAR SENS SIG A/C PRESS SENS 1 2 3 4 5 6 INTERIOR LIGHTS SIG IGN RUN/ST REAR DEFOGGER SIG WATER VALVE SIG 1 2 3 VENT FLAP MTR VENT FLAP MTR VENT FLAP MTR A/C PRESS SENS K-BUS SIG BATT A/C PRESS SENS POLLUTANT SENS BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (FRONT OF AIR CONDITIONING UNIT) BLOWER OUTPUT STAGE (LEFT SIDE OF RIGHT FOOTWELL) BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE DEFOGGER SYSTEM DEFROSTER FLAP MOTOR EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF LEFT FOOTWELL) FOOTWELL FLAP MOTOR FUSE 28 FUSE 50 FUSE 62 FUSE HOLDER (GLOVE BOX) GND GND POLLUTANT SENS POLLUTANT SENS SOLAR SENS SIG POLLUTANT SENS GRN/YEL WIRE GRY/RED WIRE HEATED EXCHANGER SENSOR (BEHIND CENTER CONSOLE) HEATING, A/C CONTROL MODULE (CENTER CONSOLE) HOT AT ALL TIMES HOT IN RUN, START LEFT FRESH AIR/ RECIRCULATED AIR FLAP MOTOR NCA WIRE POLLUTANT SENSOR (FRONT OF ENG COMPT) PRESSURE SENSOR, AIR CONDITIONING SYSTEM (RIGHT FRONT WHEELWELL) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO/YEL WIRE RIGHT FRESH AIR/ RECIRCULATED AIR FLAP MOTOR SOLAR SENSOR (CENTER TOP OF DASH) VENTILATION FLAP MOTOR VOLT SUPPLY A/C SENS GND EVAPORATOR TEMP A/C SENS GND HEATED EXCHANGER WATER VALVES (LEFT SIDE OF ENG COMPT) WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

2001-02 ALL MODELS, 2003-05 SEDAN, WAGON 2003-05 COUPE, CONVERTIBLE A/C COMPRESSOR RELAY (IN FRONT PWR DIST BOX) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BUS SIG CAN CAN BUS BUS HI COMPUTER DATA LINES SYSTEM COOLANT OUTLET TEMPERATURE SENSOR DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR OF ENG COMPT) ELECTRIC FAN (FRONT OF ENG COMPT) FUSE 3 FUSE 34 FUSE 37 FUSE 63 FUSE 9 FUSE HOLDER (GLOVE BOX) GND LO GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START HOT W/ DME RLY ENERGIZED IGN INSTRUMENT CLUSTER CONTROL MODULE (IN INSTRUMENT PANEL) NCA WIRE OUTSIDE TEMP GND OUTSIDE TEMP SIG RED WIRE RED/BLU WIRE RED/VIO/YEL WIRE RED/WHT WIRE RIGHT BUTTON PAD (IN STEERING WHEEL) SOLENOID CLUTCH (LEFT SIDE OF RIGHT FOOTWELL) TEMPERATURE SENSOR (UNDER FRONT LEFT OF VEHICLE) UNDER FENDER) VIO/YEL WIRE VOLUTE SPRING WHT WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE