BMW 3 series E46 (1998-2003) light switching center control unit Wiring diagrams

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

17 32 37 36 RPM SIG DIAG TXD CAN (-) CAN (+) 2 15 DIAG TXD CAN (-) CAN (+) 25 10 9 14 DIAG TXD CAN (-) CAN (+) K-BUS 6 3 4 DIAG TXD CAN (-) CAN (+) 6 4 3 DIAG TXD CAN (-) CAN (+) 8 16 DIAG TXD CAN (-) CAN (+) ABS/DSC UNIT ABS/DSC UNIT (AWD) BLK WIRE BRN WIRE BRN/BLK WIRE CAN (+) DIAG TXD DIAG TXD CAN (-) CAN (+) 40 24 DIGITAL MOTOR ELECTRONICS DRIVER SEAT MEMORY CONTROL UNIT DRIVER SIDE MIRROR MEMORY CONTROL DSC STEERING ANGLE SENSOR ELECTRONIC IMMOBILIZER CONTROL UNIT FUSE FUSE HOLDER (GLOVE COMPT) GENERAL MODULE CONTROL UNIT GRN WIRE GRN/BRN WIRE HEATING, A/C CONTROL MODULE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER K- BUS LEFT XENON HEADLIGHT (W/ XENON LIGHTS) LIGHT SWITCHING CENTER CONTROL UNIT MULTIPLE RESTRAINT SYSTEM CONTROL UNIT NCA WIRE OBD SOCKET (LEFT FOOTWELL) PARK DISTANCE CONTROL UNIT RAIN SENSOR CONTROL UNIT RED WIRE RED/YEL/WHT WIRE RIGHT XENON HEADLIGHT (W/ XENON LIGHTS) ROLLOVER SENSOR (CONVERTIBLE) STEERING ANGLE SENSOR SUNROOF MODULE CONTROL UNIT SWITCH CENTER TIRE PRESSURE SYSTEM CONTROL UNIT TRANSMISSION CONTROL UNIT UNIT) VOLUTE SPRING W/O TEL TELEPHONE PROVISIONS WHT WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/RED 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 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 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

2 6 (A/T) (SMG) BLK WIRE BLU WIRE BRN WIRE COURTESY LAMPS CIRCUIT DRIVER'S DOOR SWITCH BLOCK EJECT BOX FRONT CIGAR LIGHTER LIGHT FRONT INTERIOR/ READING LAMP FUSE FUSE HOLDER (GLOVE BOX) GEAR INDICATOR LIGHT GRN WIRE GRY WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH HEATING, A/C CONTROL MODULE HOT AT ALL TIMES HOT IN RUN AND START INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCHING CENTER CONTROL UNIT MAYDAY SWITCH NCA WIRE ON-BOARD MONITOR CONTROL UNIT PASSENGER'S DOOR POWER WINDOW SWITCH PROGRAM BUTTON (SMG) RADIO CONTROL UNIT REAR ASHTRAY LIGHT RED WIRE SIG LOC LGHT SUNROOF CONTROL SWITCH SUNROOF MODULE CONTROL UNIT SWITCH CENTER TERM TERM 15 TERM 30 TRUNK RELEASE SWITCH (INTERIOR) VIO WIRE W/ ON-BOARD MONITOR W/O ON-BOARD MONITOR YEL WIRE

12 VOLT SOCKET (WAGON) ABS/DSC UNIT (AWD) BATTERY BLK WIRE BLU WIRE BRN WIRE CONVERTIBLE TOP DRIVE RELAY CONVERTIBLE TOP RELAY 1 DIAGNOSTIC PLUG ELECTRIC FAN FOG LIGHT RELAY FROM FRONT CIGAR LIGHTER FUSE FUSE 108 FUSE HOLDER (GLOVE BOX) GEAR DSC INDICATOR STEERING LIGHT ANGLE SENSOR GENERATOR GRN WIRE GRY WIRE INSTRUMENT CLUSTER CONTROL MODULE LEFT ODDMENTS COMPARTMENT (EXCEPT WAGON) LIGHT SWITCHING CENTER CONTROL UNIT NCA WIRE OBD TRAILER SOCKET SOCKET REAR INTERMITTENT WIPE/WASH CONTROL UNIT (WAGON) RED WIRE RIGHT ODDMENTS COMPARTMENT (EXCEPT WAGON) SECONDARY AIR INJECTION PUMP RELAY STARTER SUNROOF CONVERTIBLE MODULE SOFT TOP CONTROL CONTROL UNIT MODULE SWITCH CENTER TO B+ POTENTIAL DISTRIBUTOR (DIAGRAM 2 OF 6) TO FUSE TO IGNITION SWITCH (DIAGRAM 5 OF 6) VIO WIRE W/ FRONT BATTERY W/ REAR BATTERY WHT WIRE YEL WIRE

ANTENNA AMPLIFIER (IF EQUIPPED) BLK WIRE BLU WIRE BRAKE LIGHT SWITCH CLUTCH SWITCH MODULE CONVERTIBLE SOFT TOP CLOSED PUSHBUTTON (IF EQUIPPED) CONVERTIBLE SOFT TOP CONTROL MODULE DRIVER'S SEAT BELT BUCKLE HALL SENSOR DRIVER'S SIDE MAKE-UP MIRROR LIGHT ELECTRONIC IMMOBILIZER CONTROL UNIT FROM FROM IGNITION SWITCH (DIAGRAM 5 OF 6) FUSE FUSE FUSE FUSE HOLDER (GLOVE BOX) GEARSHIFT LOCK GENERAL MODULE CONTROL UNIT GPS RECEIVER (IF EQUIPPED) GRN WIRE GRY WIRE HORN RELAY INSTRUMENT CLUSTER CONTROL MODULE LEFT SIDE AIRBAG SENSOR (SATELLITE) (IF EQUIPPED) LIGHT SWITCHING CENTER CONTROL UNIT MULTIPLE RESTRAINT SYSTEM CONTROL UNIT NCA WIRE ON-BOARD MONITOR CONTROL UNIT (IF EQUIPPED) PASSENGER'S SEAT BELT BUCKLE HALL SENSOR PASSENGER'S SIDE MAKE-UP MIRROR LIGHT RADIO CONTROL UNIT RAIN SENSOR REAR INTERMITTENT WIPE/WASH CONTROL UNIT (WAGON) RIGHT SIDE AIRBAG SENSOR (SATELLITE) (IF EQUIPPED) ROLLOVER SENSOR SEAT LOAD SENSOR SWITCH CENTER TO FUSE VIO WIRE VOLUTE SPRING WHT WIRE YEL WIRE