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

1 2 3 4 5 6 STEERING SIG STEERING SIG STEERING SIG ACTIVE STEERING (BEHIND LEFT FRONT WHEEL) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAN-BUS CAN-BUS COMPUTER DATA LINES SYSTEM ECO VALVE (UNDER STARTER) ECO VLV SIG SOL VLV ELECTRIC LOCK (ON STEERING MOTOR ASSEMBLY) FUSE 49 SIDE OF DASH) JUNCTION BOX (UNDER RIGHT NCA WIRE RED WIRE RED/BRN WIRE RED/GRN WIRE RELAY ENERGIZED STEERING GEAR (ON STEERING RACK ASSEMBLY) SUPPLY STEERING GND VIO/GRN WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE 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 1 2 3 4 5 6 7 8 LIN BUS SIG STEPPER GND STEPPER SPLY SENS SIG 9 10 11 12 SENS GND AUC SENSOR (RIGHT REAR OF ENGINE COMPT) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (ON HVAC UNIT) BLOWER OUTPUT STAGE BLOWER SIG SENS GND BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) CONVERTIBLE TOP MODULE (BEHIND LEFT REAR SEAT) COOLANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (ON HVAC UNIT) FUSE 6 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MIXING AIR CONTROL NCA WIRE ORG/GRN WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR CONTROL VALVE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER SENS SIG SENS SIG SENS SIG SENS SPLY SOLAR SENSOR (TOP CENTER OF DASH) SW CENTER SIG SW CENTER SIG VENTILATION TEMPERATURE SENSOR (ON HVAC UNIT) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ENTRANCE LIGHT DRIVER'S SIDE FOOTWELL LIGHT ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FRONT INTERIOR/ READING LIGHT FUSE 41 FUSE 77 FUSE 81 FUSE 86 FUSE 84 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LIGHT SWITCH UNIT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S SIDE FOOTWELL LIGHT REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT LUGGAGE COMPARTMENT LIGHT TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT LID) VIO WIRE VIO/BRN WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 25 FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 81 FUSE 86 FUSE 84 GLOVE COMPARTMENT LIGHT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) HOT IN ON OR START HOT W/ TERMINAL INTERIOR LIGHTS LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT MAP READING LIGHT ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT ROOF FUNCTION CONTROL CENTER TOP LIGHTS TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT LID) VIO WIRE WHT WIRE YEL WIRE

11 15 26 29 30 8 F-CAN H PT CAN LO F-CAN LO WAKE UP DT CAN H RR WHL OUT 4 1 7 GND GND GND ACCELERATOR PEDAL MODULE (PART OF ACCELERATOR PEDAL) ACTIVE CRUISE CONTROL (IF EQUIPPED) (CENTER OF FRONT BUMPER) ANTI-THEFT SYSTEM BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CLUTCH SWITCH MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRIC THROTTLE VALVE (LEFT SIDE OF ENGINE) ELECTRONICS JUNCTION BOX FUSE 21 FUSE 65 FUSE 37 FUSE 75 GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ DME RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LONGITUDINAL DYNAMICS MANAGEMENT (LEFT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED STEERING COLUMN SWITCH CLUSTER TERM 87 VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER DRIVER SEAT) DRIVER'S SEAT BACKREST HEATING (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (IN DRIVER SEAT CUSHION) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER SEAT) DRIVER'S SIDE EASY ENTRY SWITCH DRIVERS SEAT MODULE (UNDER DRIVER SEAT) ELECTRONICS JUNCTION BOX FUSE 46 GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

AERIAL (CONVERTIBLE) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER (LEFT SIDE OF REAR COMPT) COUPE CONVERTIBLE DIGITAL TUNER (LEFT SIDE OF REAR COMPT) FUSE 18 FUSE 19 GPS AERIAL GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SUB- WOOFER MOST-BUS CONNECTOR NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SUB- WOOFER ROOF AERIAL RTTI SPLITTER SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL TCU/ULF/ULF- SBX/ULF-SBX-H 1 2 WHT WIRE YEL/BRN 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

AMPLIFIER (LEFT SIDE OF ANTENNA DIVERSITY (IF EQUIPPED) BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTROLLER COUPE CONVERTIBLE DASH) FM ANTENNA 2 ANTENNA (CONVERTIBLE) (CONVERTIBLE) FM ANTENNA 3 (CONVERTIBLE) FUSE FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPT) REAR WINDOW ANTENNA (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HI-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER VIO WIRE W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FUSE GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST HEATING (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) RED WIRE RED/BRN WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE