BMW 1 series F20/F21 (2011-2015) electronics junction box Wiring diagrams

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ENTRANCE LIGHT DRIVER'S SIDE FOOTWELL LIGHT ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FRONT INTERIOR/ READING LIGHT FUSE 41 FUSE 77 FUSE 81 FUSE 86 FUSE 84 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LIGHT SWITCH UNIT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S SIDE FOOTWELL LIGHT REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT LUGGAGE COMPARTMENT LIGHT TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT LID) VIO WIRE VIO/BRN WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 25 FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 81 FUSE 86 FUSE 84 GLOVE COMPARTMENT LIGHT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) HOT IN ON OR START HOT W/ TERMINAL INTERIOR LIGHTS LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT MAP READING LIGHT ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT ROOF FUNCTION CONTROL CENTER TOP LIGHTS TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT LID) VIO WIRE WHT WIRE YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER DRIVER SEAT) DRIVER'S SEAT BACKREST HEATING (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (IN DRIVER SEAT CUSHION) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER SEAT) DRIVER'S SIDE EASY ENTRY SWITCH DRIVERS SEAT MODULE (UNDER DRIVER SEAT) ELECTRONICS JUNCTION BOX FUSE 46 GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/VIO WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COUPE DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) FUSE LEFT FOG LIGHT LEFT HEADLIGHT LEFT TAILLIGHT LIGHT SWITCH ORG/GRN WIRE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) PARKING BRK RAIN/HEADLIGHT SENSOR (CENTER OF WINDSHIELD) RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEADLIGHT RIGHT TAILLIGHT REAR FOG ROOF FUNCTION CONTROL CENTER STEERING COLUMN SWITCH CLUSTER TURN UNIT) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) ELECTRONICS JUNCTION BOX FUSE GRN WIRE HORN RELAY HORN SWITCH HOT AT ALL TIMES JUNCTION BOX LEFT HORN (LEFT SIDE OF FRONT BUMPER) REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE RIGHT HORN (RIGHT SIDE OF FRONT BUMPER) STEERING COLUMN SWITCH CLUSTER TERMINAL 15 RELAY VIO/BLU WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/WHT WIRE CENTRAL INFORMATION DISPLAY COMPT) COOLANT LEVEL SWITCH (RIGHT SIDE OF ENGINE ELECTRIC FUEL PUMP (RIGHT TANK HALF FUEL LEVEL SENSOR) (UNDER RIGHT REAR SEAT) ELECTRONICS JUNCTION BOX FUSE 74 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT TANK HALF FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) ORG/ WIRE ORG/GRN WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) PARKING BRAKE WARNING SWITCH RED WIRE RED/BLU WIRE STEERING COLUMN SWITCH CLUSTER WHT WIRE YEL WIRE

BLK WIRE BLK/VIO WIRE BRN WIRE BRN/BLK WIRE CCC/M-ASK DRIVER'S SWITCH CLUSTER ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FRONT CIGAR LIGHTER FUSE FUSE 41 FUSE 86 GEAR INDICATOR LIGHTING GRN WIRE GRY WIRE GRY/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES INTERIOR PANEL) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LIGHT SWITCH UNIT PASSENGER'S DOOR POWER WINDOW SWITCH RADIO REAR LID RELEASE SWITCH (INTERIOR) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE STEERING COLUMN SWITCH CLUSTER TELEPHONE RETROFIT PACKAGES CONNECTOR VIO WIRE W/ CCC/M-ASK W/O CCC/M-ASK YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 (18 TO 21 PINS NOT USED) 22 AERIAL DIGITAL TUNER (CONVERTIBLE) AERIAL DIGITAL TUNER 2 (CONVERTIBLE) AERIAL DIVERSITY (BOTTOM CENTER OF REAR WINDOW) BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAR INFORMATION COMPUTER CIC CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTRONICS JUNCTION BOX FM AERIAL 2 FM AERIAL 3 FUSE GRN WIRE GRY/RED WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR WINDOW AUX-IN AERIAL CONNECTION (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE USB PORT WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE 19 GRN WIRE GRY WIRE GRY/RED WIRE HOT W/ HOT W/ BISTABLE RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY ENERGIZED TCU VIDEO MODULE (LEFT SIDE OF REAR COMPT) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FUSE GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST HEATING (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) RED WIRE RED/BRN WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE