BMW 3 series E46 (1998-2003) blk/yel Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SOLAR SENS SIG A/C PRESS SENS 1 2 3 4 5 6 INTERIOR LIGHTS SIG IGN RUN/ST REAR DEFOGGER SIG WATER VALVE SIG 1 2 3 VENT FLAP MTR VENT FLAP MTR VENT FLAP MTR A/C PRESS SENS K-BUS SIG BATT A/C PRESS SENS POLLUTANT SENS BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (FRONT OF AIR CONDITIONING UNIT) BLOWER OUTPUT STAGE (LEFT SIDE OF RIGHT FOOTWELL) BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE DEFOGGER SYSTEM DEFROSTER FLAP MOTOR EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF LEFT FOOTWELL) FOOTWELL FLAP MOTOR FUSE 28 FUSE 50 FUSE 62 FUSE HOLDER (GLOVE BOX) GND GND POLLUTANT SENS POLLUTANT SENS SOLAR SENS SIG POLLUTANT SENS GRN/YEL WIRE GRY/RED WIRE HEATED EXCHANGER SENSOR (BEHIND CENTER CONSOLE) HEATING, A/C CONTROL MODULE (CENTER CONSOLE) HOT AT ALL TIMES HOT IN RUN, START LEFT FRESH AIR/ RECIRCULATED AIR FLAP MOTOR NCA WIRE POLLUTANT SENSOR (FRONT OF ENG COMPT) PRESSURE SENSOR, AIR CONDITIONING SYSTEM (RIGHT FRONT WHEELWELL) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO/YEL WIRE RIGHT FRESH AIR/ RECIRCULATED AIR FLAP MOTOR SOLAR SENSOR (CENTER TOP OF DASH) VENTILATION FLAP MOTOR VOLT SUPPLY A/C SENS GND EVAPORATOR TEMP A/C SENS GND HEATED EXCHANGER WATER VALVES (LEFT SIDE OF ENG COMPT) WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

2001 MODELS 2002-04 MODELS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/BLK WIRE CLUTCH SWITCH MODULE (ON CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR ENG COMPT) E-BOX FAN (LEFT SIDE OF LEFT FRONT FOOTWELL) ELECTRONIC IMMOBILIZER CONTROL UNIT (UNDER LEFT SIDE EWS TOROIDAL COIL FUSE FUSE HOLDER (GLOVE BOX) GEARSHIFT LOCK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LOCK OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RUN WIRE SMG CONTROL MODULE (LEFT REAR OF ENG COMPT) SMG ONLY STARTER STARTING/ CHARGING SYSTEM TRANS SW SIG TRANSMISSION CONTROL UNIT (LEFT REAR ENG COMPT) VIO/WHT WIRE VIO/YEL WIRE W/ SMG TRANS W/O SMG TRANS WHT/RED/YEL 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

10 7 GND CENTERLOCK BUTTON SIG 25 26 FRONT PASSENGER DOOR CONTACT SIG DRIVER DOOR'S CONTACT SIG 42 47 TRUNK LID CONTACT SWITCH BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY/YEL WIRE CONTROL MODULE, INTERIOR PROTECTION I (UNDER CENTER CONSOLE) CONTROL MODULE, INTERIOR PROTECTION II (REAR CENTER CONSOLE) ELECTROCHROMATIC INTERIOR REARVIEW MIRROR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY/BLK/YEL WIRE GRY/BRN WIRE HORN FOR ANTI-THEFT ALARM SYSTEM (REAR ENG COMPT) HOT AT ALL TIMES RED WIRE RED/BLK WIRE RED/VIO WIRE TILT MONITORING (RIGHT SIDE OF LUGGAGE COMPT) TIRE PRESSURE CONTROL SYSTEM CONTROL UNIT (BEHIND GLOVE BOX) UNLOCK DRIVER'S SIG VIO WIRE VIO/GRN WIRE VIO/WHT WIRE

10 7 GND CENTERLOCK BUTTON SIG 42 47 TRUNK LID CONTACT SWITCH BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE CONTROL MODULE, INTERIOR PROTECTION I (UNDER CENTER CONSOLE) ELECTROCHROMATIC INTERIOR REARVIEW MIRROR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY/BLK/YEL WIRE GRY/BRN WIRE HORN FOR ANTI-THEFT ALARM SYSTEM (REAR ENG COMPT) HOT AT ALL TIMES RED WIRE RED/BLK WIRE RED/VIO WIRE TILT MONITORING (RIGHT SIDE OF LUGGAGE COMPT) TIRE PRESSURE CONTROL SYSTEM CONTROL UNIT (BEHIND GLOVE BOX) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE CHILD SAFETY LCK WNDW REG CUT-OFF SIGNAL DWA LED INT PROTECTION DOOR LOCKS SYSTEM FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRY WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES FUSE INT PROTECTION POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RR DRVR PWR WNDW OPEN RR PASS PWR WNDW OPEN RR DRVR PWR WNDW OPEN RR WNDW RED PWR WIRE TRANSMISSIONS SYSTEM MIRRORS SYSTEM ANTI-THEFT SYSTEM UNLCK TRUNK LID VIO/GRN WIRE W/O CONVERTIBLE TOP MODULE (2000-2002) (2003-2005) WHT/GRN WIRE WHT/YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE DOOR LOCKS SYSTEM FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES FUSE POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RR DRVR ANTI-TRAP STRIP RR PASS ANTI-TRAP STRIP RR WNDW RED PWR WIRE UNLCK TRUNK LID VIO/GRN WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/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 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

1 2 3 4 5 6 INTERIOR LIGHTS SIG IGN RUN/ST REAR DEFOGGER SIG WATER VALVE SIG 1 2 3 VENT FLAP MTR VENT FLAP MTR VENT FLAP MTR A/C PRESS SENS A/C PRESS SENS K-BUS SIG BATT A/C PRESS SENS AIR DISTRIBUTION MOTOR BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (FRONT OF AIR CONDITIONING UNIT) BLOWER OUTPUT STAGE (LEFT SIDE OF RIGHT FOOTWELL) BLU/BRN WIRE BLU/RED WIRE BRN BLK/ WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE DEFOGGER SYSTEM EVAPORATOR TEMPERATURE SENSOR (RIGHT SIDE OF LEFT FOOTWELL) FUSE 28 FUSE 50 FUSE 62 FUSE HOLDER (GLOVE BOX) GND GND GRN/YEL WIRE GRY/RED WIRE HEATED EXCHANGER SENSOR (BEHIND CENTER CONSOLE) HEATING, A/C CONTROL MODULE (CENTER CONSOLE) HOT AT ALL TIMES HOT IN RUN, START LEFT FRESH AIR/ RECIRCULATED AIR FLAP MOTOR NCA WIRE PRESSURE SENSOR, AIR CONDITIONING SYSTEM (RIGHT FRONT WHEELWELL) RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO/YEL WIRE RIGHT FRESH AIR/ RECIRCULATED AIR FLAP MOTOR VOLT SUPPLY A/C SENS GND EVAPORATOR TEMP A/C SENS GND HEATED EXCHANGER WATER VALVE (LEFT SIDE OF ENG COMPT) WHT/RED/YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 IGN COIL 1 SIG IGN COIL 2 SIG IGN COIL 3 SIG ABS SYSTEM ACTIVATE RELAY FAN AIR CONDITIONING RELAY ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BRAKE SIG ACTIVATE RELAY TANK LEAKAGE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE CAN BUS (+) CAN BUS (-) COOL OUT TEMP COOL OUT TEMP COMPUTER DATA LINES SYSTEM COOLANT OUTLET TEMPERATURE SENSOR COOLING FANS SYSTEM DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE ACTUATOR (TOP LEFT SIDE OF ENGINE) EXHAUST FLAP VALVE (LEFT REAR OF LUGGAGE COMPT) FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLK VIO) WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GROUND IGN COIL 5 SIG IGN COIL 6 SIG GROUND PED POS 1 SIG GROUND PED POS 2 SIG GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN COIL 4 SIG IGNITION COILS (TOP RIGHT SIDE OF ENGINE) NCA WIRE OBD SOCKET (LEFT FOOTWELL) RED WIRE RED/WHT WIRE RPM SIG EXH FLAP RR SPEED SIG CLUTCH SIG BRAKE SIG SECONDARY AIR INJECTION PUMP SECONDARY AIR PUMP RELAY TANK LEAKAGE TANK LEAKAGE ACTIVATE VALVE TERMINAL 15 TXD DIAG SIG DRV AWY PROT VOLTAGE SUPPLY VOLTAGE SUPPLY ACTIVATE RELAY WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE