BMW 1 series F20/F21 (2011-2015) tcu Wiring diagrams

A/T AERIAL DIVERSITY (BOTTOM CENTER OF REAR WINDOW) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL 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) CLUTCH SWITCH MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE DC/DC CONVERTER DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRIC STEERING LOCK ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FBD RECEIVER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN 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/ BISTABLE RELAY ENERGIZED INTERLCK SENS GROUND TERM 15 SIG TERM 15 SIG JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS M/T MULTIPLE RESTRAINT SYSTEM CONTROL UNIT NCA WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RELAY REMOTE CONTROL RECEIVER SEAT OCCUPANCY RECOGNITION STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TCU TELE SIG LID CONTACT REAR LID SIG TERM 30 TERM 50 SIG ELEC STR + ELEC STR - GROUND CAN BUS TERM R SIG TERM R SIG TERM R TERM R SIG TERM 50 TERM 15 SIG TERM 15 SIG TERMINAL TERMINAL 15 RELAY TRANS SIG TRANSMISSION CONTROL MODULE TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WAKE-UP WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE 19 GRN WIRE GRY WIRE GRY/RED WIRE HOT W/ HOT W/ BISTABLE RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY ENERGIZED TCU VIDEO MODULE (LEFT SIDE OF REAR COMPT) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE 19 GRN WIRE GRY WIRE GRY/RED WIRE HOT W/ HOT W/ BISTABLE RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY ENERGIZED TCU VIDEO MODULE (LEFT SIDE OF REAR COMPT) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

AUC PARK DISTANCE SENSOR CONTROL (PDC) BLK WIRE BLOWER OUTPUT STAGE BLU WIRE BRN WIRE CENTRAL INFORMATION DISPLAY COMBOX ULF-SBX-H CONTROLLER DIGITAL TUNER US DRIVER'S SEAT HEATING MODULE DRIVER'S SWITCH CLUSTER EJECT BOX ELECTRONICS JUNCTION BOX FROM BISTABLE RELAY (DIAGRAM 5 OF 5) FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) FROM FUSE 28 (DIAGRAM 3 OF 5) FROM FUSE JUNCTION BOX (DIAGRAM 3 OF 5) FUEL PUMP CONTROL (EKPS) FUSE FUSE 13 FUSE 18 FUSE 27 FUSE 57 FUSE 88 FUSE FUSE GEAR INDICATOR LIGHTING GRN WIRE GRN/BLK WIRE GRY WIRE HEATING/AIR CONDITIONING SYSTEM HORN RELAY JUNCTION BOX LONGITUDINAL DYNAMICS MANAGEMENT NCA WIRE PASSENGER'S SEAT HEATING MODULE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE RED/BLU WIRE RIGHT GLOVE COMPARTMENT LUGGAGE COMPARTMENT LIGHT LIGHT RIGHT LEFT HORN HORN ROOF FUNCTION CONTROL CENTER SATELLITE RECEIVER STEERING COLUMN SWITCH CLUSTER TCU TELEPHONE RETROFIT PACKAGES CONNECTOR TELEPHONE TRANSCEIVER TERMINAL 15 RELAY TIRE PRESSURE CONTROL (RDC) TO DC/DC CONVERTER (DIAGRAM 5 OF 5) TO FUSE 20 (DIAGRAM 5 OF 5) TO FUSE 8 (DIAGRAM 5 OF 5) ULF ULF-SBX USB- HUB VIDEO MODULE VIO WIRE W/ AUTOMATIC ENGINE START-STOP FUNCTION W/ COMBOX W/ ULF-SBX-H W/ TCU W/ ULF W/ ULF-SBX W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL WIRE

ACTIVE CRUISE CONTROL BISTABLE RELAY BLK WIRE BLK/RED WIRE BOX) BRN WIRE CCC/M-ASK COMBOX COMFORT ACCESS CONTROL UNIT DC/DC CONVERTER (RIGHT REAR OF DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK EJECT BOX ELECTRONICS JUNCTION ENGINE COMPT) FROM FUSE 27 (DIAGRAM 4 OF 5) FROM HORN RELAY (DIAGRAM 4 OF 5) FROM JUNCTION BOX (DIAGRAM 3 OF 5) FROM JUNCTION BOX (DIAGRAM 4 OF 5) FROM TERMINAL FRONT CIGAR LIGHTER FUSE FUSE 21 FUSE 22 FUSE 23 FUSE FUSE GRN WIRE GRY WIRE INDEPENDENT/ AUXILIARY HEATING CONTROL JUNCTION BOX (UNDER RIGHT LUGGAGE REAR COMPARTMENT CENTER SOCKET OUTLET CONSOLE CHARGING SOCKET NCA WIRE PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RELAY (DIAGRAM 3 OF 5) SIDE OF DASH) TCU TO CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) TO FUSE 25 (DIAGRAM 3 OF 5) TO FUSE 88 (DIAGRAM 4 OF 5) TO JUNCTION BOX (DIAGRAM 3 OF 5) TRAILER MODULE TRANSMISSION CONTROL UNIT) VIO WIRE W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL WIRE

AIR BAG IND BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER ROOF FUNCTION CONTROL DIODE PANEL DRIVER SEAT POSITION SENSOR DRIVER'S SEAT BELT BUCKLE CONTACT FRONT PASSENGER'S SEAT POSITION SENSOR GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE L B PILLAR SENS L B PILLAR SENS L B PILLAR SENS MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE PASSENGER'S SEAT BELT BUCKLE CONTACT R B PILLAR SIG R B PILLAR SIG R B PILLAR SIG RED WIRE SEAT OCCU SIG RF SBF LIM GENT RF SBF LIM GENT SEAT OCCUPANCY R B PILLAR SIG LF SBF LIM GENT CRASH SIG SEAT OCCUPANCY RECOGNITION TCU VIO WIRE VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE