BMW 3 series F30/F31 (2011-2015) nca Wiring diagrams

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

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

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

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 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

ACC PDL GRD ACC PDL (+) ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM STARTING/CHARGING 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 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 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 SENSOR GRD SENSOR GRD SENSOR SIG SENSOR SIG NCA WIRE ORG/ WIRE OXYGEN SENSOR 2 BEFORE CATALYTIC CONVERTER OXYGEN SENSOR 2 BEHIND CATALYTIC CONVERTER OXYGEN SENSOR BEFORE CATALYTIC CONVERTER OXYGEN SENSOR BEHIND CATALYTIC CONVERTER RADIATOR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY TERMINAL 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/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

ANTI-THEFT SYSTEM BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/YEL WIRE CRANKSHAFT SENSOR DME RELAY E-BOX FAN (BOTTOM OF E-BOX) EXHAUST FLAP (LEFT SIDE OF REAR COMPT) FUEL TANK LEAKAGE DIAGNOSTIC MODULE FUEL TANK VENT VALVE FUSE 39 FUSE 37 FUSE 4 FUSE FUSE FUSE 16 FUSE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE FUSE HOLDER (RIGHT SIDE OF REAR COMPT) JUNCTION BOX NCA WIRE ORG/ WIRE REAR RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BSD SIG CYL CYL 4-6 1-3 DOUBLE KNOCK SENSOR (LEFT SIDE OF ENGINE) DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) DME RLY ELECTRIC THROTTLE VALVE ACTUATOR (ON RIGHT CYLINDER BANK THROTTLE BODY ASSEMBLY) FUEL TANK SIG INTAKE PIPE PRESSURE SENSOR (TOP LEFT SIDE OF ENGINE) INTAKE TEMPERATURE AIR PRESSURE SENSOR NCA WIRE NEUTRAL SENSOR ORG/ WIRE RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE SENSOR SENSOR GND SENSOR SIG THROTTLE THROTTLE GND THROTTLE SIG VIO WIRE VOL CNTRL WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 IGN 1 SIG IGN 2 SIG IGN 3 SIG IGN 4 SIG IGN 5 SIG IGN 6 SIG 1 2 3 4 5 6 TERM 30 TERM 87 TERM 87 GROUND GROUND GROUND 13 14 15 16 17 18 19 20 21 22 23 24 25 26 OIL SW SIG WASTE VAL 2 BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COOLING FANS SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRIC COOLANT PUMP (REAR OF ENGINE) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) INTAKE CAMSHAFT POSITION SENSOR (FRONT OF ENGINE) INTAKE VANOS SOLENOID VALVE (FRONT OF ENGINE) INTERFERENCE SUPPRESSION CAPACITOR NCA WIRE OIL PRESSURE CONTROL VALVE OIL PRESSURE SWITCH (LEFT REAR SIDE OF ENGINE) ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SENSOR 1 GRD SENSOR 2 GRD BSD SIG SENSOR 1 SIG SENSOR 2 SIG SENSOR GRD VANOS (+) THERMO SIG SENSOR SIG VANOS (+) SPARK PLUG TOP OF ENGINE) VIO WIRE WASTE VAL 1 WASTEGATE VALVE WASTEGATE VALVE 2 (RIGHT SIDE OF ENGINE) WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE