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

AERIAL DIVERSITY (CENTER REAR OF ROOF) BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/GRY/WHT WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/WHT WIRE BUTTON CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER LOCK COMPUTER DATA LINES SYSTEM COUPE DRIVER'S DOOR SYSTEM LOCK (LEFT FRONT DOOR) ELECTRONICS JUNCTION BOX FBD RECEIVER ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 72 FUSE 73 GLOVE COMPARTMENT CENTRAL LOCKING DRIVE UNIT (CONVERTIBLE) GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HOOD CONTACT SWITCH (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOTEL SWITCH (COUPE) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE PASSENGER'S DOOR SYSTEM LOCK (RIGHT FRONT DOOR) RED WIRE REMOTE CONTROL RECEIVER TRUNK LID BUTTON VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

19 18 CAN H CAN L 29 27 28 51 52 GND SIG LOCATING LAMP HOTEL POS SW GND BLK WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BONNET CONTACT SWITCH BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVERS DOOR LOCK (LEFT FRONT DOOR) EARLY PRODUCTION ELECTRONICS JUNCTION BOX FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER'S DOOR LOCK (RIGHT FRONT DOOR) FUSE 103 FUSE 104 (RIGHT SIDE OF REAR COMPT) FUSE 5 FUSE 500 FUSE 504 FUSE 7 GRN/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE BOX INTERIOR REAR LID BUTTON LATE PRODUCTION LIN BUS SIG POWER DISTRIBUTION SYSTEM REAR FUSE HOLDER RED WIRE RED/BRN WIRE RED/GRY WIRE REMOTE CONTROL RECEIVER SIREN W/ TILT ALARM SENSOR SW SIG TERM 30 SPLY VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BRN 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

18 19 K CAN L K CAN H 19 26 35 WAKE-UP K CAN L K CAN H 2 1 3 2 F CAN H F CAN L 2 1 F CAN H F CAN L 3.0L TWIN TURBO EXCEPT SEDAN 4 3 K CAN L K CAN H 5 6 3 9 8 F CAN H F CAN L WAKE-UP PT CAN H PT CAN L 5 6 K CAN H K CAN L 5 6 K CAN L K CAN H 9 11 K CAN L K CAN H ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CAR INFORMATION COMPUTER CIC CAR INFORMATION COMPUTER CIC (W/ CIC) CCC/M-ASK (W/ CCC/M-ASK) CENTRAL INFORMATION DISPLAY 6 7 K CAN L K CAN H COMBOX (UNDER LEFT SIDE OF DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) 3.0L, 4.0L DRIVER'S SEAT HEATING MODUULE DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ ACTIVE STEERING) (UNDER DRIVER'S SEAT) ELECTRONICS JUNCTION BOX FUSE 74 GRN ORG/ WIRE GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) K CAN H K CAN L LUGGAGE COMPT FLOOR) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE OBDII SOCKET (UNDER LEFT SIDE OF DASH) ORG/GRN WIRE RADIO (W/ RADIO) RED WIRE RED/YEL WIRE SIREN W/ TILT ALARM SENSOR STEERING COLUMN SWITCH CLUSTER STEERING GEAR (4.0L) W/O BOSCH DSC, W/ ACTIVE STEERING W/O BOSCH W/ BOSCH WHT/BLU WIRE WHT/YEL WIRE

18 19 K CAN L K CAN H 19 26 35 WAKE-UP K CAN L K CAN H 2 1 3 2 F CAN H F CAN L 2 1 F CAN H F CAN L 3.0L TWIN TURBO EXCEPT SEDAN 4 3 K CAN L K CAN H 5 6 3 9 8 F CAN H F CAN L WAKE-UP PT CAN H PT CAN L 5 6 K CAN H K CAN L 5 6 K CAN L K CAN H 9 11 K CAN L K CAN H ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CAR INFORMATION COMPUTER CIC CAR INFORMATION COMPUTER CIC (W/ CIC) CCC/M-ASK (W/ CCC/M-ASK) CENTRAL INFORMATION DISPLAY 6 7 K CAN L K CAN H COMBOX (UNDER LEFT SIDE OF DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) 3.0L, 4.0L DRIVER'S SEAT HEATING MODUULE DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ ACTIVE STEERING) (UNDER DRIVER'S SEAT) ELECTRONICS JUNCTION BOX FUSE 74 GRN ORG/ WIRE GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) K CAN H K CAN L LUGGAGE COMPT FLOOR) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE OBDII SOCKET (UNDER LEFT SIDE OF DASH) ORG/GRN WIRE RADIO (W/ RADIO) RED WIRE RED/YEL WIRE SIREN W/ TILT ALARM SENSOR STEERING COLUMN SWITCH CLUSTER STEERING GEAR (4.0L) W/O BOSCH DSC, W/ ACTIVE STEERING W/O BOSCH W/ BOSCH WHT/BLU WIRE WHT/YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN GRY/ WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL SYSTEM ELECTRONIC SIGNAL LAMP DAYTIME SIDE/ DIRECTION DRIVING ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 31 FUSE 32 FUSE 41 FUSE 71 FUSE 81 FUSE 84 FUSE 86 GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LED TURN LED TURN SIGNAL LEFT LEFT FRONT DIRECTION INDICATOR LIGHT REPEATER LICENSE PLATE LIGHT LIGHT ORG/GRN WIRE POSITIONING RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT DIRECTION INDICATOR LIGHT REPEATER RIGHT HEADLIGHT RIGHT LICENSE PLATE LIGHT SIDE MARKER SIDE/ DAYTIME DRIVING W/O LED W/ LED YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE OUTSIDE MIRROR ELECTRONICS JUNCTION BOX FUSE 78 GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FUSE 77 JUNCTION BOX (UNDER RIGHT SIDE OF DASH) RELAY ENERGIZED SERVOTRONIC VALVE (RIGHT FRONT OF ENGINE) WHT WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE VACUUM SENSOR (ON BRAKE VACUUM BOOSTER ASSEMBLY) BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM COOLING FANS SYSTEM CRANKSHAFT BREATHER HEATING 1 (LEFT SIDE OF ENGINE) DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) E-BOX SIG ELECTRONICS JUNCTION BOX FUEL PUMP CONTROL (EKPS) FUSE 70 GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEAK DIAG SIG LEAK DIAG SIG LEAK DIAG SIG SENSOR SOG SENSOR SIG SENSOR SIG NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 BEFORE CATALYTIC CONVERTER (ON EXHAUST PIPE, BEFORE CATALYTIC) OXYGEN SENSOR 2 BEFORE CATALYTIC CONVERTER (RIGHT REAR OF ENGINE) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY SENSOR GRD SENSOR GRD SENSOR SIG SENSOR SIG STARTING/CHARGING SYSTEM TERMINAL W/ BRAKE VACUUM SENSOR W/O BRAKE VACUUM SENSOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE