BMW 3 series E46 (1998-2003) instrument cluster control module Wiring diagrams

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BACKREST ADJUSTMENT MOTOR DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S SEAT HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SEAT TILT ADJUSTMENT MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PROGRAM SWITCHES (3) RED/BLK WIRE RED/BRN WIRE SEAT BACKREST SEAT HEIGHT SEAT TILT SEAT FWD/BACK SEAT BACKREST) SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST ADJUSTMENT MOTOR DRIVER'S SEAT BACKREST LOCK SWITCH DRIVER'S SEAT ENTRY FACILITY SWITCH (BACKREST) DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S SEAT HEADREST ADJUSTMENT MOTOR DRIVER'S SEAT HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SEAT TILT ADJUSTMENT MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S SEAT MEMORY CONTROL UNIT PROGRAM SWITCHES (3) RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SEAT ADJUSTMENT SW ENTRANCE AID ENTRANCE AID SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID SEAT TILT SEAT BACKREST SEAT HEADREST SEAT FWD/BACK TERM 30 SET SWITCH VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE W/ ENTRANCE AID WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, NAVIGATION SYSTEMS BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLU WIRE BLU/BLK/YEL WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR ENG COMPT) BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/GRN WIRE BRN/GRN/YEL WIRE BRN/VIO WIRE BRN/WHT WIRE CHIME MODULE (IN COVER OF LEFT FOOTWELL) COMPUTER DATA LINES SYSTEM CONVERTIBLE ONLY CRUISE CONTROL SYSTEM DRIVER SEAT MEMORY CONTROL UNIT (DRIVER'S SEAT LEFT) DRIVER'S SEAT BELT CONTACT SIG STEERING COLUMN SWITCH SIG DRVER'S SEAT BELT BUCKLE HALL SENSOR (DRIVER'S SEAT) EXCEPT CONVERTIBLE FRONT LEFT BRAKE PAD SENSOR (FRONT LEFT WHEEL BRAKE) FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK/YEL WIRE GRY/RED WIRE HAND BRAKE SWITCH (UNDER REAR CENTER CONSOLE) HOT AT ALL TIMES FUSE HOT IN ACC, RUN, START FUSE HOT IN RUN, START FUSE INSTRUMENT CLUSTER CONTROL MODULE NCA WIRE PASSENGER SEAT MEMORY CONTROL UNIT (PASSENGER'S SEAT) REAR RIGHT BRAKE PAD SENSOR (REAR RIGHT WHEEL BRAKE) RED WIRE RED/YEL WIRE RED/YEL/WHT WIRE SUPPLEMENTAL RESTRAINTS SYSTEM ANTI-LOCK BRAKES SYSTEM VIO WIRE VIO/YEL WIRE W/ PARK DISTANCE CONTROL ONLY WASHER FLUID LEVEL LOW SIG CRUISE CONTROL ON SIG ROLLOVER SENS SIG REVERSE SIG WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED 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

1 2 3 4 5 6 7 8 9 10 11 12 TERM 30 DATA ADJUST SW ADJUST SW ADJUST SW ADJUST SW TERM 31 TERM 31 BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S OUTSIDE MIRROR DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SIDE MIRROR MEMORY CONTROL UNIT FOLDING MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT GRN WIRE GRY WIRE HEATING ELEMENT HORIZONTAL MOTOR, POSITIONAL SENSOR HORIZONTAL SENS VERTICAL SENS POSITION SENS + HORIZONTAL SENS VERTICAL SENS POSITION SENS + PNK WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE MIRROR ADJUSTMENT SWITCH ORG/ WIRE PASSENGER'S OUTSIDE MIRROR PASSENGER'S SIDE MIRROR MEMORY CONTROL UNIT PNK WIRE RED WIRE RED/GRN/YEL WIRE SET SWITCH PROGRAM SWITCHES (3) TERM 31 VERTICAL MOTOR, POSITIONAL SENSOR WHT WIRE WHT/RED/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERM 30 1 2 GPS ANT GPS ANT SHLD A/T ABS/ASC UNIT (LEFT REAR OF ENGINE COMPT) AF SIG ACT+ GROUND AF SIG ACT- AF SIG- ANTI-LOCK BRAKES SYSTEM AUDIO L+ AUDIO R- AUDIO SIG L- AUDIO SIG R- BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GPS ANTENNA GROUND GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACCY OR INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG LIGHTING M/T NAV BUS NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE ON-BOARD MONITOR CONTROL UNIT RADIO CONTROL UNIT RED/GRN WIRE SIG SIG NAV BUS SIG SHLD SPEED SIG TERM 30 TERM R VIDEO GROUND VIDEO SIG SHLD VIDEO SIG SHLD VIDEO SIG SHLD VIDEO SIG VIDEO SIG VIDEO SIG VIO/WHT WIRE W/ DSC W/O ASC W/O AWD W/ AWD WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERM 30 1 2 GPS ANT GPS ANT SHLD A/T ABS/ASC UNIT (LEFT REAR OF ENGINE COMPT) AF SIG ACT+ GROUND AF SIG ACT- AF SIG- ANTI-LOCK BRAKES SYSTEM BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GPS ANTENNA HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG M/T NAV BUS NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE RADIO CONTROL UNIT RED/GRN WIRE SPEED SIG W/ DSC W/O ASC W/O AWD W/ AWD WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/GRN WIRE

BACKREST LOCK SW BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT BACKREST LOCK SWITCH PASSENGER'S SEAT ENTRY FACILITY SWITCH (BACKREST) PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEADREST ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PROGRAM SWITCHES (3) RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID ENTRANCE AID SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID SEAT FWD/BACK SENS SEAT HEADREST SENS BACKREST LOCK SW BACKREST LOCK SIG SEAT HEADREST SENS SEAT TILT SEAT BACKREST SEAT HEADREST SEAT FWD/BACK TERM 30 SET SWITCH VIO/GRY WIRE VIO/RED WIRE W/ ENTRANCE AID WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PROGRAM SWITCHES (3) RED/BRN WIRE SEAT FWD/BACK SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH TERM 31 SEAT BACKREST VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN 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