BMW 3 series F30/F31 (2011-2015) junction box (under right side of dash) Wiring diagrams

4.0L A/T ACTIVE BODYWORKS, POWER TOPS SYSTEMS ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRY WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER CONSOLE CLUTCH SWITCH MODULE (M/T) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROLLER COUPE COUPE CONVERTIBLE 2 3 4 CRASH SAFETY MODULE (REAR OF CRUISE CONTROL SYSTEM DC/DC CONVERTER (RIGHT REAR OF ELECTRIC STEERING LOCK (ON STEERING COLUMN) ELECTRONICS JUNCTION BOX ENG STRT SIG CENTER ISG EXCEPT 4.0L FOOTWELL MODULE (UNDER LEFT FUEL INJECTOR RELAY (RIGHT REAR OF ENGINE COMPT) FUSE FUSE 55 FUSE 63 FUSE 61 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE HOOD CONTACT SWITCH (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LUGGAGE COMPT) M/T MULTIPLE RESTRAINT SYSTEM CONTROL MODULE NCA WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY ROLLOVER PROTECTION SEAT OCCUPANCY DETECTOR SIDE OF DASH) STARTING/CHARGING SYSTEM TCU TELE SIG FT LID CONT SIG REAR LID SIG HOTEL SW SIG TRANS SIG TERM 15 SIG TERM R SIG TERM R SIG TERM R TERM R SIG DC/DC CONV TERM 15 SIG TERM 15 SIG TERMINAL TERMINAL 15 RELAY TRANSMISSION CONTROL MODULE (BOTTOM OF TRANSMISSION) TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO 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

1 2 3 4 5 6 7 8 9 10 11 12 GND 1 2 3 4 5 6 7 8 9 10 11 12 GND CAN BUS SIG CAN BUS SIG 3.0L A/C, REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT FRONT OF ENGINE) AIR DISTRIBUTION MICRO SWITCH (CENTER OF DASH) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE BLOWER SIG SENS GRD VOLT SPLY SENS SPLY SENS SIG BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) CONVERTIBLE EXCEPT CONVERTIBLE ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (CENTER OF DASH) FOOTWELL TEMPERATURE SENSOR FUSE 6 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATER HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED INDEPENDENT HEATING CIRCUIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MIXING AIR CONTROL SOLAR SENSOR (TOP CENTER OF DASH) NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT FRESH AIR GRILLE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER VENTILATION TEMPERATURE SENSOR (CENTER OF DASH) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1 14 7 8 CAN LOW CAN HI 12 26 LIN BUS SIG E-BOX SIG 15 13 SENS SIG SENS SIG 3.0L 3.0L TURBO 4 17 55 41 SENS SIG SENS GND 9 6 19 RAD SHUTTER SENS SIG SENS SIG BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BSD SIG CHAMBER E-BOX) CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COMPUTER DATA LINES DME CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) E-BOX FAN (BOTTOM OF E-BOX) EAC SENSOR (BEHIND RADIATOR) ELEC FAN ELECTRIC COOLANT PUMP (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 2 3 4 ELECTRIC FAN 850 WATT ENGINE COOLANT TEMPERATURE SENSOR (3.0L, TURBO: REAR OF ENGINE) FUSE FUSE 7 FUSE 3 HOT AT ALL TIMES HOT AT HOT AT ALL ALL TIMES TIMES ENGINE ELECTRONICS FUSE CARRIER (RIGHT PLENUM HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RADIATOR SHUTTER DRIVE UNIT (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU WIRE RED/GRN WIRE SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND 1 2 3 4 5 6 7 8 9 10 11 12 GND CAN BUS SIG CAN BUS SIG 3.0L A/C, REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT FRONT OF ENGINE) AIR DISTRIBUTION MICRO SWITCH (CENTER OF DASH) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE BLOWER SIG SENS GRD VOLT SPLY SENS SPLY SENS SIG BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) CONVERTIBLE EXCEPT CONVERTIBLE ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (CENTER OF DASH) FOOTWELL TEMPERATURE SENSOR FUSE 6 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATER HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED INDEPENDENT HEATING CIRCUIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MIXING AIR CONTROL SOLAR SENSOR (TOP CENTER OF DASH) NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT FRESH AIR GRILLE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER VENTILATION TEMPERATURE SENSOR (CENTER OF DASH) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1 14 7 8 CAN LOW CAN HI 12 26 LIN BUS SIG E-BOX SIG 15 13 SENS SIG SENS SIG 3.0L 3.0L TURBO 4 17 55 41 SENS SIG SENS GND 9 6 19 RAD SHUTTER SENS SIG SENS SIG BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BSD SIG CHAMBER E-BOX) CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COMPUTER DATA LINES DME CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) E-BOX FAN (BOTTOM OF E-BOX) EAC SENSOR (BEHIND RADIATOR) ELEC FAN ELECTRIC COOLANT PUMP (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 2 3 4 ELECTRIC FAN 850 WATT ENGINE COOLANT TEMPERATURE SENSOR (3.0L, TURBO: REAR OF ENGINE) FUSE FUSE 7 FUSE 3 HOT AT ALL TIMES HOT AT HOT AT ALL ALL TIMES TIMES ENGINE ELECTRONICS FUSE CARRIER (RIGHT PLENUM HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RADIATOR SHUTTER DRIVE UNIT (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU WIRE RED/GRN WIRE SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

1 14 16 4 CAN L CAN H BRAKE LIGHT BRAKE LIGHT ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FUSE GRY WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) RED WIRE RELAY ENERGIZED SHIFT LOCK SELECTOR LEVER LOCK (BASE OF SHIFT LEVER ASSEMBLY) TRANSMISSION CONTROL TRANSMISSIONS SYSTEM VIO WIRE YEL 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/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 27 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT ELECTRONIC WHEEL MODULE LEFT FRONT RDC TRANSMITTER (FRONT OF LEFT FRONT WHEEL) LEFT REAR ELECTRONIC WHEEL MODULE LEFT REAR RDC TRANSMITTER (BEHIND LEFT REAR WHEEL) ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RDC ANTENNA (UNDER VEHICLE) RED WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT ELECTRONIC WHEEL MODULE RIGHT FRONT RDC TRANSMITTER (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR ELECTRONIC WHEEL MODULE RIGHT REAR RDC TRANSMITTER (BEHIND RIGHT REAR WHEEL) TIRE PRESSURE CONTROL (RDC) (RIGHT SIDE OF REAR COMPT) VIO WIRE