BMW 3 series F30/F31 (2011-2015) light switch unit Wiring diagrams

ACTIVE HYBRID 3 BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE FRONT RIDE HEIGHT SENSOR (BEHIND LEFT FRONT WHEEL) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE LIGHT SWITCH UNIT REAR RIDE HEIGHT SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT HEADLIGHT RIGHT INNER TAILLIGHT FOG SIDE/ DAYTIME DRIVING SIDE/ DAYTIME DRIVING STEERING COLUMN SWITCH CLUSTER DIRECTION INDICATOR/ HIGH BEAM HEADLIGHT SWITCH SWIVEL MODULE VIO/WHT WIRE W/ BOSCH W/ LED W/O LED TYPE TYPE W/O BOSCH WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

18 19 PT CAN L PT CAN H 33 34 9 10 51 52 FLEX BUS SIG FLEX BUS SIG 36 45 30 DATA LINE BUS SIG DIAG FLEX BUS SIG 42 27 K-LIN K-LIN-1 AC LINE ACTIVE SOUND DESIGN BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER OUTPUT STAGE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE BUS SIG BUS SIG BUS SIG PT CAN L PT CAN H BUS SIG BUS SIG (OR PNK) WIRE BUS SIG DIAG DATA LINE CAN L CENTER OF WINDSHIELD) DATA LINE DATA LINE PNK PNK BUS SIG WIRE DRIVER'S DOOR SWITCH BLOCK DRIVER'S EXTERIOR MIRROR ELECTROCHROMIC INTERIOR REARVIEW MIRROR ELECTRONIC DAMPER CONTROL (RIGHT REAR OF LUGGAGE COMPT) FRONT ELECTRONIC MODULE (FEM) (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FUSE FUSE 12 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HEAD UNIT HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HIFI AMPLIFIER HIGH VARIANT ROOF FUNCTION MODULE HOT AT ALL TIMES FUSE BOX INSTRUMENT CLUSTER CONTROL MODULE K CAN BUS K CAN BUS K LINE K-LIN K-LIN-1 LIGHT SWITCH UNIT LIN BUS SIG ORG/ WIRE ORG/GRN WIRE PNK 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK 24 25 26 27 WIRE PNK BUS SIG BUS SIG WIRE PNK PNK FLEX BUS SIG WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE PNK/WHT WIRE PT CAN H PT CAN L RED WIRE RED/BLU WIRE RELAY ENERGIZED RWD SPLY STEERING COLUMN SWITCH CLUSTER WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

18 19 PT CAN L PT CAN H 33 34 9 10 51 52 FLEX BUS SIG FLEX BUS SIG 36 45 30 DATA LINE BUS SIG DIAG FLEX BUS SIG 42 27 K-LIN K-LIN-1 AC LINE ACTIVE SOUND DESIGN BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER OUTPUT STAGE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE BUS SIG BUS SIG BUS SIG PT CAN L PT CAN H BUS SIG BUS SIG (OR PNK) WIRE BUS SIG DIAG DATA LINE CAN L CENTER OF WINDSHIELD) DATA LINE DATA LINE PNK PNK BUS SIG WIRE DRIVER'S DOOR SWITCH BLOCK DRIVER'S EXTERIOR MIRROR ELECTROCHROMIC INTERIOR REARVIEW MIRROR ELECTRONIC DAMPER CONTROL (RIGHT REAR OF LUGGAGE COMPT) FRONT ELECTRONIC MODULE (FEM) (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FUSE FUSE 12 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HEAD UNIT HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HIFI AMPLIFIER HIGH VARIANT ROOF FUNCTION MODULE HOT AT ALL TIMES FUSE BOX INSTRUMENT CLUSTER CONTROL MODULE K CAN BUS K CAN BUS K LINE K-LIN K-LIN-1 LIGHT SWITCH UNIT LIN BUS SIG ORG/ WIRE ORG/GRN WIRE PNK 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK 24 25 26 27 WIRE PNK BUS SIG BUS SIG WIRE PNK PNK FLEX BUS SIG WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE PNK/WHT WIRE PT CAN H PT CAN L RED WIRE RED/BLU WIRE RELAY ENERGIZED RWD SPLY STEERING COLUMN SWITCH CLUSTER WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

4.0L ACTIVE BODYWORKS SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE/ BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM EXCEPT 4.0L GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE LEFT INNER TAILLIGHT LIGHT SWITCH UNIT ORG/GRN WIRE PARK RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INNER TAILLIGHT STEERING COLUMN SWITCH CLUSTER DIRECTION INDICATOR/ HIGH BEAM TRAILER MODULE (RIGHT SIDE OF REAR COMPT) TRAILER SOCKET VIO/WHT WIRE W/O BOSCH W/ BOSCH YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

4.0L ACTIVE BODYWORKS SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE/ BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM EXCEPT 4.0L GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE LEFT INNER TAILLIGHT LIGHT SWITCH UNIT ORG/GRN WIRE PARK RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INNER TAILLIGHT STEERING COLUMN SWITCH CLUSTER DIRECTION INDICATOR/ HIGH BEAM TRAILER MODULE (RIGHT SIDE OF REAR COMPT) TRAILER SOCKET VIO/WHT WIRE W/O BOSCH W/ BOSCH YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

4.0L ACTIVE BODYWORKS SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE/ BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM EXCEPT 4.0L GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE LEFT INNER TAILLIGHT LIGHT SWITCH UNIT ORG/GRN WIRE PARK RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INNER TAILLIGHT STEERING COLUMN SWITCH CLUSTER DIRECTION INDICATOR/ HIGH BEAM TRAILER MODULE (RIGHT SIDE OF REAR COMPT) TRAILER SOCKET VIO/WHT WIRE W/O BOSCH W/ BOSCH YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BACKUP LAMPS CIRCUIT BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE DYNAMIC BRN WIRE COMPUTER DATA LINES SYSTEM DIRECTION DYNAMIC BRAKE FULLY AUTOMATIC TOWING HITCH GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE LEFT HEADLIGHT LEFT INNER TAILLIGHT LIGHT SWITCH UNIT ORG/GRN WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE REVERSE RIGHT INNER TAILLIGHT SIDE MARKER LIGHTS TAIL TRAILER MODULE (RIGHT SIDE OF REAR COMPT) TRAILER SOCKET W/ TRAILER MODULE W/O TRAILER MODULE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

BLK/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DAYTIME DRIVING LIGHT/SIDE LIGHTS DAYTIME DRIVING LIGHTS ELECTROCHROMIC INTERIOR REAR VIEW MIRROR GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHT DRIVER MODULE HEADLIGHT HIGH BEAM HIGH BEAM ASSISTANT SENSOR, CONTROL LIGHT SWITCH UNIT LOW BEAM HEADLIGHT RED/WHT WIRE RIGHT HEADLIGHT VIO WIRE W/ LED W/O LED WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE EXCEPT CONVERTIBLE FRONT RIDE HEIGHT SENSOR (BEHIND LEFT FRONT WHEEL) GRN WIRE GRN/RED WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH BEAM/ TURN OFF SIDE/ DAYTIME DRIVING LIGHT SWITCH UNIT REAR RIDE HEIGHT SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT HEADLIGHT RIGHT INNER TAILLIGHT FOG SIDE/ DAYTIME DRIVING STEERING COLUMN SWITCH CLUSTER DIRECTION INDICATOR/ HIGH BEAM HEADLIGHT SWITCH VERTICAL AIM CONTROL MOTOR W/ LED TYPE W/O LED TYPE WHT WIRE WHT/BLU WIRE XENON XENON LIGHT MODULE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

AMBIENT LIGHT BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CENTER CONSOLE CONTROL PANEL CENTRAL LOCKING BUTTON OPERATING UNIT HAZARD WARNING SWITCH COMPUTER DATA LINES SYSTEM DRIVER'S DOOR PANEL LIGHTING DRIVER'S SIDE REAR POWER WINDOW SWITCH DVD CHANGER FEM FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT CENTER ARMREST LIGHT FRONT CENTER VENTILATION GRILLE FUSE GRN WIRE GRY WIRE GRY/RED WIRE GRY/VIO WIRE HEADUNIT HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HIGH VARIANT ROOF FUNCTION MODULE HOT AT ALL TIMES HOT W/ TERMINAL INTEGRATED CHASSIS MANAGEMENT (UNDER CENTER CONSOLE) INTERIOR LIGHT) LEFT FRONT FOOTWELL LIGHT LEFT LIGHTING B-PILLAR LEFT REAR LIGHT INTERIOR LIGHT SWITCH UNIT LIGHTING CENTER OF DASH BOARD NCA WIRE ORG/GRN WIRE PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR TRIM PANEL LIGHTING PASSENGER'S SIDE REAR POWER WINDOW SWITCH READING LIGHT LEFT MAP READING LIGHT RIGHT MAP REAR DRIVER'S SIDE DOOR PANEL LIGHTING REAR INTERIOR LID BUTTON REAR INTERIOR LIGHT REAR PASSENGER'S SIDE DOOR PANEL LIGHTING RED WIRE RED/ WHT WIRE RED/GRY WIRE RIGHT FRONT FOOTWELL LIGHT RIGHT LIGHTING B-PILLAR RIGHT REAR INTERIOR LIGHT W/ DVD CHANGER W/ INTERIOR LIGHTS PACKAGE W/O DVD CHANGER W/O INTERIOR LIGHTS PACKAGE WELCOME LIGHTS WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE