BMW 3 series F30/F31 (2011-2015) junction box electronics Wiring diagrams

BLU WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL RF WHL SPD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE BRN/WHT WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL (RIGHT SIDE OF REAR COMPT) FUSE GRN/RED WIRE GROUND F-CAN-LOW HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT BRAKE PAD WEAR SENSOR (BEHIND LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (BEHIND LEFT REAR WHEEL) NCA WIRE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/ BLU WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RF WHL SPD RR WHL SPD LR WHL SPD LF WHL SPD LF WHL SPD RIGHT REAR BRAKE PAD WEAR SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT REAR WHEEL SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL SPD RR WHL SPP SEN GROUND STEERING COLUMN SWITCH CLUSTER TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 COND WEL SPD PT CAN HIGH GROUND VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/RED/WHT WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT/YEL WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL BRK LIGHT LF BRK PAD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER CONSOLE SWITCH CLUSTER COMPUTER DATA LINES SYSTEM COND WHL SPD F-CAN-LOW DSC SENS DME CONTROL MODULE DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ ACTIVE STEERING) (UNDER DRIVER'S SEAT) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) F-CAN HIGH RF WHL OUT FUSE GRN/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT BRAKE PAD WEAR SENSOR (BEHIND LEFT FRONT WHEEL) LEFT FRONT WHEEL SPEED SENSOR (FRONT OF LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (BEHIND LEFT REAR WHEEL) LF WHL OUT PT CAN LOW GROUND LF WHL SPD LF WHL SPD GROUND NCA WIRE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT WHEEL SPEED SENSOR (BEHIND RIGHT FRONT WHEEL) RIGHT REAR BRAKE PAD WEAR SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT REAR WHEEL SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL OUT PT CAN LOW PT CAN HIGH RR WHL OUT RF BRK PAD STEERING COLUMN SWITCH CLUSTER TCU TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 PT CAN HIGH TERMINAL 30 RF WHL SPD RF WHL SPD VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLU WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL RF WHL SPD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE BRN/WHT WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL (RIGHT SIDE OF REAR COMPT) FUSE GRN/RED WIRE GROUND F-CAN-LOW HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT BRAKE PAD WEAR SENSOR (BEHIND LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (BEHIND LEFT REAR WHEEL) NCA WIRE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/ BLU WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RF WHL SPD RR WHL SPD LR WHL SPD LF WHL SPD LF WHL SPD RIGHT REAR BRAKE PAD WEAR SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT REAR WHEEL SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL SPD RR WHL SPP SEN GROUND STEERING COLUMN SWITCH CLUSTER TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 COND WEL SPD PT CAN HIGH GROUND VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/RED/WHT WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT/YEL WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL BRK LIGHT LF BRK PAD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER CONSOLE SWITCH CLUSTER COMPUTER DATA LINES SYSTEM COND WHL SPD F-CAN-LOW DSC SENS DME CONTROL MODULE DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ ACTIVE STEERING) (UNDER DRIVER'S SEAT) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) F-CAN HIGH RF WHL OUT FUSE GRN/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT BRAKE PAD WEAR SENSOR (BEHIND LEFT FRONT WHEEL) LEFT FRONT WHEEL SPEED SENSOR (FRONT OF LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (BEHIND LEFT REAR WHEEL) LF WHL OUT PT CAN LOW GROUND LF WHL SPD LF WHL SPD GROUND NCA WIRE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT WHEEL SPEED SENSOR (BEHIND RIGHT FRONT WHEEL) RIGHT REAR BRAKE PAD WEAR SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT REAR WHEEL SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL OUT PT CAN LOW PT CAN HIGH RR WHL OUT RF BRK PAD STEERING COLUMN SWITCH CLUSTER TCU TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 PT CAN HIGH TERMINAL 30 RF WHL SPD RF WHL SPD VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE CAB BUS SIG COUPE FUSE 101 FUSE 47 GRN WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW DEFOGGER REAR WINDOW DEFROSTER (GROUND) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER (POSITIVE) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER RELAY RED WIRE

BLK WIRE BRN WIRE CAB BUS SIG COUPE FUSE 101 FUSE 47 GRN WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW DEFOGGER REAR WINDOW DEFROSTER (GROUND) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER (POSITIVE) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER RELAY RED WIRE

BLK WIRE BRN WIRE CAB BUS SIG COUPE FUSE 101 FUSE 47 GRN WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW DEFOGGER REAR WINDOW DEFROSTER (GROUND) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER (POSITIVE) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER RELAY RED WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONVERTIBLE COUPE COUPE FUEL FILLER FLAP CENTRAL LOCKING DRIVE FUSE 72 FUSE 73 GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOTEL SWITCH (COUPE) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT REAR LID LOCK SWITCH (CONVERTIBLE) ORG/GRN WIRE REAR LID RELEASE SWITCH (INTERIOR) RIGHT REAR LID LOCK SWITCH (CONVERTIBLE) TRUNK LID BUTTON TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) WHT/BRN WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONVERTIBLE COUPE COUPE FUEL FILLER FLAP CENTRAL LOCKING DRIVE FUSE 72 FUSE 73 GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOTEL SWITCH (COUPE) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT REAR LID LOCK SWITCH (CONVERTIBLE) ORG/GRN WIRE REAR LID RELEASE SWITCH (INTERIOR) RIGHT REAR LID LOCK SWITCH (CONVERTIBLE) TRUNK LID BUTTON TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) WHT/BRN WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/RED WIRE