BMW 3 series E46 facelift (2001-2006) light switching center control unit Wiring diagrams

1 2 3 4 5 6 7 8 9 IGNITION BATTERY BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE CUT-OFF START SIG SHIFT LOCK SUPPLY BRAKE LIGHT FUSE FUSE HOLDER (GLOVE BOX) FUSE GEAR INDICATOR LIGHT GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRN/BRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN ACC, RUN OR START HOT IN RUN OR START IGNITION SWITCH KEY-IN SWITCH IMMOBILIZER LIGHT SWITCHING CENTER CONTROL UNIT NCA WIRE OBD SOCKET (LEFT FOOTWELL) PROGRAM BUTTON RED WIRE RED/GRN WIRE RED/YEL WIRE SELECT LEVER SELECT LEVER PROGRAM SW PROGRAM SW SELECTOR LEVER ASG SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) VOLUTE SPRING ST WHL CTRLS SELECT LEVER SELECT LEVER SELECT LEVER ENG SPD SIG STEERING WHEEL SWITCHES VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

17 18 HDC SWITCH ABS/DSC UNIT (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/BLK/YEL WIRE BRN/GRN/YEL WIRE BRN/RED WIRE DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DSC SWITCH E-BOX (LEFT REAR OF ENGINE COMPT) FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRN/BLU/YEL WIRE GRY WIRE GRY/BLK/YEL WIRE HDC IND HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, ACCY OR HOT W/ DME RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT SPEED SENSOR (WHEEL HUB) LEFT REAR SPEED SENSOR (WHEEL HUB) LIGHT SWITCHING CENTER CONTROL UNIT MIRROR FOLD-IN CONTROL UNIT NAVIGATION COMPUTER NCA WIRE PARK BRAKE RPM SENS CAN LOW RPM SENS PRESS SENS PRESSURE SENSOR 1 (RIGHT REAR OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT SPEED SENSOR (WHEEL HUB) RIGHT REAR SPEED SENSOR (WHEEL HUB) RPM RATE SENSOR (UNDER DRIVER'S SEAT) PARK BRAKE SWITCH RR WHL SPD BRAKE LIGHT HDC IND LR SPD OUT LF SPD OUT BRAKE FLUID STEERING ANGLE SENSOR (IN COLUMN) SWITCH CENTER TIRE FAILURE CONTROL MODULE VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BLU/YEL WIRE WHT/GRN WIRE WHT/GRY/YEL WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 IGN BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE E-BOX (LEFT REAR OF ENGINE COMPT) FUSE FUSE HOLDER (GLOVE BOX) GEAR INDICATOR LIGHT (CENTER CONSOLE, NEAR SELECTOR LEVER) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRN/BRN WIRE GROUND GROUND GROUND BATTERY + SUPPLY + SUPPLY GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN RUN, START KICK DOWN MANUAL GATE TIP UP TIP DOWN KICK DOWN SWITCH LIGHT SWITCHING CENTER CONTROL UNIT RED WIRE RED/WHT WIRE RED/YEL WIRE SELECTOR LEVER POSITION SWITCH SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) STEPTRONIC SWITCH (UNDER CENTER CONSOLE NEAR SELECTOR LEVER) TRANSMISSION CONTROL UNIT (LEFT REAR OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CENTRAL LOCKING DRIVE, TRUNK LID/ TAILGATE DRIVER'S MAKEUP MIRROR SWITCH DRIVER'S SIDE FRONT FOOTWELL LIGHT DRIVER'S SIDE MAKEUP MIRROR LIGHT FRONT INTERIOR/ READING LAMP FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GLOVE BOX LIGHT GRY WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES FUSE HOT IN ACCY, RUN AND START FUSE INSTRUMENT ILLUMINATION CIRCUIT LEFT ODDMENTS COMPARTMENT LIGHT LEFT REAR INTERIOR LIGHT LEFT TAIL LIGHT LIGHT SWITCHING CENTER CONTROL UNIT PASS- ENGER'S SIDE FRONT FOOTWELL LIGHT PASSENGER'S MAKEUP MIRROR SWITCH PASSENGER'S SIDE MAKEUP MIRROR LIGHT REAR ASHTRAY LIGHT RED WIRE RIGHT ODDMENTS COMPARTMENT LIGHT RIGHT REAR INTERIOR LIGHT RIGHT TAIL LIGHT VIO WIRE WHT WIRE WHT/BRN WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CENTRAL LOCKING DRIVE, TRUNK LID/ TAILGATE DRIVER'S MAKEUP MIRROR SWITCH DRIVER'S SIDE FRONT FOOTWELL LIGHT DRIVER'S SIDE MAKEUP MIRROR LIGHT FRONT INTERIOR/ READING LAMP FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GLOVE BOX LIGHT GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES FUSE HOT IN ACCY, RUN AND START FUSE INSTRUMENT ILLUMINATION CIRCUIT LEFT ODDMENTS COMPART- MENT LIGHT LEFT REAR INTERIOR LIGHT LIGHT SWITCHING CENTER CONTROL UNIT PASS- ENGER'S SIDE FRONT FOOTWELL LIGHT PASSENGER'S MAKEUP MIRROR SWITCH PASSENGER'S SIDE MAKEUP MIRROR LIGHT REAR ASHTRAY LIGHT REAR INTERIOR LIGHT REAR LID LAMP REAR WINDOW OPENING SWITCH RED WIRE RIGHT ODDMENTS COMPART- MENT LIGHT RIGHT REAR INTERIOR LIGHT VIO WIRE WHT WIRE WHT/BRN WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY 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 WIRE BRN/BLK WIRE BRN/BLU WIRE CENTER BRAKE LIGHT COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZ WARN SW BRAKE LIGHT HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START INTERFERENCE SUPPRESSION FILTER K-BUS SIG FRNT LOAD SENS SIG LEFT FRONT AUXILIARY FLASHER UNIT LEFT FRONT TURN SIGNAL LAMP LEFT PARKING LIGHT LIGHT SWITCHING CENTER CONTROL UNIT LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HI BEAM SIG RED/GRN WIRE RED/VIO WIRE RIGHT FRONT AUXILIARY FLASHER UNIT RIGHT FRONT TURN SIGNAL LAMP RIGHT PARKING LIGHT VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED 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 WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE HAZ WARN SW BRAKE LIGHT HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START K-BUS SIG LEFT HIGH BEAM LEFT LOW BEAM LIGHT SWITCHING CENTER CONTROL UNIT LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HI BEAM SIG RAIN/DRIVING LIGHT SENSOR (BEHIND INTERIOR REARVIEW MIRROR) RED WIRE RED/GRN WIRE RED/VIO WIRE RIGHT HIGH BEAM RIGHT LOW BEAM RR TRN SIG LMP RF PRK LGHT LF PRK LGHT RT AUX TRN SIG RT BRK LGHT SIG RF TRN SIG LMP TRN SIG SW HI BM/FLASH SW SIG LOCATOR LGHTING LMP IN HAZ WARN SW OUTER LT TAIL LIGHT LF TRN SIG LMP TERM 15 CNTR BRK LGHT LIC PLT LGHT LT AUX TRN SIG VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY 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 WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE HAZ WARN SW BRAKE LIGHT HEADLIGHT VERTICAL AIM CONTROL FRONT LOAD SENSOR HEADLIGHT VERTICAL AIM CONTROL REAR LOAD SENSOR HOT AT ALL TIMES HOT IN ACC RUN AND START K-BUS SIG FRNT LOAD SENS SIG LEFT HEADLIGHT VERTICAL AIM CONTROL MOTOR LEFT TRUNK LID LAMP LIGHT SWITCHING CENTER CONTROL UNIT LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HIGH BEAM SIG RAIN/DRIVING LIGHT SENSOR (BEHIND INTERIOR REARVIEW MIRROR) RED/GRN WIRE RED/VIO WIRE RIGHT HEADLIGHT VERTICAL AIM CONTROL MOTOR RIGHT TRUNK LID LAMP VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE