BMW 3 series F30/F31 (2011-2015) computer data lines system Wiring diagrams

ANTI- THEFT ALARM LED BLK/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE POWER DISTRIBUTION SYSTEM COUPE DRIVER'S DOOR MICROWAVE SENSOR ELECTROCHROMIC INTERIOR REAR VIEW MIRROR GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES FUSE 62 HOT AT ALL TIMES JUNCTION FUSE 63 BOX (UNDER RIGHT SIDE OF DASH) LEFT REAR LID LOCK SWITCH LEFT REAR MICROWAVE SENSOR ORG/GRN WIRE PASSENGER'S DOOR MICROWAVE SENSOR RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REAR LID LOCK SWITCH (CONVERTIBLE) RIGHT REAR MICROWAVE SENSOR ROOF FUNCTION CONTROL CENTER TRUNK LID CENTRAL LOCKING DRIVE (CONVERTIBLE) (ON REAR COMPT DOOR) TRUNK LID CENTRAL LOCKING DRIVE (COUPE) (ON REAR COMPT DOOR) WHT/BRN WIRE WHT/GRN 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

ALARM ANTI-THEFT BLK WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BOOT LID/TAILGATE LOCK BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BUS SIG CENTRAL LOCKING BUTTON HAZARD WARNING SWITCH OPERATING FACILITY COMPUTER DATA LINES SYSTEM ELECTROCHROMIC INTERIOR REAR VIEW MIRROR EXTERIOR BOOT LID BUTTON FUEL FILLER FLAP CENTRAL LOCKING DRIVE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HIGH VARIANT ROOF FUNCTION MODULE HOTEL POSITION SWITCH LID BUTTON LID CONTACT LOCK DRV REAR DRIVER'S SIDE DOOR LOCK (LEFT REAR DOOR) REAR ELECTRONIC MODULE (REM) (RIGHT REAR OF LUGGAGE COMPT) REAR PASSENGER'S SIDE DOOR LOCK (RIGHT REAR DOOR) REAR WIPER RED WIRE RED/GRY WIRE SYSTEM IND TERM 30 SPLY WHT WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED WIRE

13 28 PT-CAN BUS SIG PT-CAN BUS SIG 17 35 BSD BUS SIG SPLY PUMP 2.0L TWIN 25 54 TEMP SENS TEMP SENS SIG 3.0L TWIN 46 37 SPLY MAP MAP THERMOSTAT ACCUMULATOR MANAGEMENT ELECTRONICS AUXILIARY WATER PUMP (LEFT REAR OF BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COMPUTER DATA LINES SYSTEM CUT-OUT RELAY ELEC FAN ELECTRIC COOLANT PUMP (REAR OF ENGINE) ELECTRIC COOLANT PUMP 2 ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN CUT OUT RELAY ELECTRIC FAN CUT OUT RELAY (RIGHT PLENUM CHAMBER E-BOX) ELECTRICAL MACHINE ELECTRONICS (UNDER LEFT FRONT ENGINE COMPT) ENGINE CONTROLS SYSTEM FAN 400, 600 WATT 2.0L TURBO EXCEPT SULEV 2.0L TURBO SULEV 5 6 FRONT REFRIGERANT SHUT-OFF VALVE FUSE FUSE 29 FUSE 33 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION BOX FUSE HOT W/ OF VEHICLE) RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE REFRIGERANT SHUT-OFF VALVE (HIGH VOLTAGE BATTERY) RELAY ENERGIZED RELAY ENERGIZED FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) SHUTOFF VALVE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE

1 2 GROUND TERM 30 BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC POWER STEERING (EPS) (UNDER VEHICLE, NEAR RIGHT FRONT WHEEL) FUSE 103 GRN WIRE GRN/RED WIRE GROUND TORQ SIG TORQ SIG HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE STEERING TORQUE SENSOR (UNDER VEHICLE) TERM 15 WAKE UP SIG CAN L 1 2 3 4 5 6 WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 84 BOX (UNDER RIGHT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES JUNCTION MEMORY SYSTEM POWER WINDOWS, SUPPLEMENTAL RESTRAINTS SYSTEMS ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED 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

ADJUSTING DRIVE BLU WIRE BLU/YEL WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR MIRROR DRIVER'S DOOR SWITCH BLOCK FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES FUSE BOX FUSE 504 HOT W/ LIN BUS SIG MIRROR HEATING RED WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED FUSE 22 SUPPLY WHT/BRN WIRE YEL WIRE

42 2 LIN BUS SIG MIRR HEATER 45 46 BUS SIG BUS SIG BLU WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR MIRROR DRIVER'S DOOR SWITCH BLOCK FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) FUSE 22 FUSE 504 FUSE BOX GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ TERMINAL MIRR HEATER MIRROR HEATING NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/GRY WIRE SUPPLY

22 23 K-CAN BUS SIG K-CAN BUS SIG BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 80 GRN WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES NCA WIRE ORG/GRN WIRE REAR ELECTRONIC MODULE REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER REJECTOR CIRCUIT REAR WINDOW DEFOGGER REJECTOR CIRCUIT 2 REAR WINDOW DEFOGGER RELAY RED WIRE YEL WIRE