BMW 5 series E34 (1988-1996) on-board computer (center of dash) Wiring diagrams

1995 VFTC 530, 540 A/C COMPRESSOR AUXILIARY FAN MOTOR AUXILIARY WATER PUMP AUXILIARY WATER PUMP RELAY (IN FRONT POWER DISTRIBUTION BOX) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/GRY/YEL WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLK/WHT/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN (BLU/GRN) WIRE BRN WIRE BRN/YEL WIRE COMPARTMENT) COMPRESSOR CONTROL COMPRESSOR CONTROL RELAY (IN POWER DISTRIBUTION BOX) COMPUTER DATA LINES SYSTEM FRESH AIR FLAP MOTOR (BELOW RIGHT SIDE OF DASH) GRN WIRE GRN/BLU/YEL WIRE GRN/BRN WIRE GRY WIRE HIGH SPEED RELAY (IN LEFT AUXILIARY RELAY BOX) INTEGRATED CLIMATE REGULATION CONTROL MODULE (ABOVE CENTER CONSOLE) LEFT FOOTWELL) NCA WIRE NORMAL SPEED RELAY (IN POWER DISTRIBUTION BOX) ON-BOARD COMPUTER (CENTER OF DASH) PARK HEATING/ VENTILATION RELAY BOX PRESSURE SWITCH (FRONT RIGHT SIDE OF ENGINE REAR DEFOGGER SYSTEM RECIRCULATION FLAP MOTOR (RIGHT OF STEERING COLUMN) RED WIRE RED/BLK WIRE RED/BLU/YEL WIRE RED/GRN WIRE RED/YEL WIRE SENSOR FOR ACTIVATION AUX WATER PUMP REAR DEFOGGER ACT TEMPER- ATURE SWITCH (RIGHT TOP OF RADIATOR) VIO/GRN WIRE WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

ANTI- THEFT HORN RELAY ANTI-THEFT CONTROL MODULE (BELOW RIGHT SIDE OF REAR SEAT) ANTI-THEFT HORN (REAR RIGHT SIDE OF ENGINE COMPARTMENT) ANTI-THEFT LED BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRN/YEL WIRE BLU/RED/YEL WIRE BRN WIRE BRN/BLU/YEL WIRE BRN/GRY/YEL WIRE BRN/ORG WIRE BRN/RED WIRE BRN/RED/YEL WIRE BRN/VIO/YEL WIRE CHECK CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) CRASH CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) DRIVER'S DOOR HANDLE SWITCH DRIVERS DOOR JAMB SWITCH ENGINE HOOD SWITCH FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) FUSE GENERAL MODULE (REAR POWER DISTRIBUTION BOX) GRN WIRE GRY WIRE HOT AT ALL TIMES IN-LINE FUSE LEFT FOOTWELL) LEFT REAR DOOR JAMB SWITCH LIFT GATE LOCK SWITCH (EARLY PRODUCTION) ON-BOARD COMPUTER (CENTER OF DASH) ON-BOARD COMPUTER HORN RELAY (BELOW LEFT SIDE OF REAR SEAT) ORG/ WIRE PASSENGER'S DOOR JAMB SWITCH REAR POWER DISTRIBUTION BOX (BELOW LEFT SIDE OF REAR SEAT) RED WIRE RIGHT REAR DOOR JAMB SWITCH SEAT/MIRROR MEMORY CONTROL MODULE (UNDERSIDE OF LEFT FRONT SEAT) VIO WIRE VIO/GRN/YEL WIRE WHT WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLU WIRE

AIR CONDITIONING SYSTEM INTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM INSTRUMENT CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM BLK/BLU WIRE BLK/GRN WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/WHT/YEL WIRE BLU/BRN/YEL WIRE BLU/RED/YEL WIRE BRN WIRE BRN/ORG WIRE BRN/VIO WIRE CHECK CTRL RESET LAC LINE DIAG PWR IN ENGINE CONTROLS SYSTEM FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/RED WIRE GRY/RED WIRE HORN RLY CTRL DRIVE AWAY PROTECT SIG REMOTE CTRL RESERVE TANK CONTACT HOT AT ALL TIMES FUSE HOT IN ACCY, RUN AND START FUSE HOT IN RUN AND START FUSE INDEPENDENT VENT CTRL INJ SIG FUEL GA INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM NCA WIRE ON-BOARD COMPUTER (CENTER OF DASH) ON-BOARD COMPUTER HORN RELAY ON-BOARD COMPUTER TEMP SENSOR (UNDER LEFT FRONT BUMPER) ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/GRY/YEL WIRE RED/YEL WIRE STARTING/CHARGING SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM TELEPHONE INTERFACE (BELOW FRONT OF CONSOLE VIO WIRE VIO/GRN/YEL WIRE VIO/WHT/YEL WIRE VIO/YEL WIRE WARNING SYSTEM WARNING SYSTEM WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED/WHT WIRE

A/T ANTI-THEFT CONTROL MODULE (BELOW LEFT SIDE OF REAR SEAT) BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/VIO WIRE DATA LINK CONNECTOR (REAR LEFT SIDE OF ENGINE COMPARTMENT) DOUBLE PANEL POWER SUNROOF CONTROL MODULE (IN ROOF PANEL) ENGINE CONTROL MODULE (DME) (IN E-BOX) FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) GENERAL MODULE (IN REAR POWER DISTRIBUTION BOX) GENERATOR GRN/BLU WIRE GRN/WHT WIRE HOT AT ALL TIMES B+ JUNCTION POINT HOT IN RUN AND START FUSE INSTRUMENT CLUSTER INTEGRATED CLIMATE REGULATION CONTROL JUMPER PLUG (FRONT POWER DISTRIBUTION BOX) M/T ON-BOARD COMPUTER (CENTER OF DASH) RED WIRE REMOTE LOCKING RECEIVER (NEAR REAR VIEW MIRROR) SEAT/MIRROR MEMORY CONTROL MODULE (UNDERSIDE OF LEFT FRONT SEAT) SLIP CONTROL MODULE (ABS/ASC) (IN E-BOX) STARTER STARTER RELAY (FRONT POWER DISTRIBUTION BOX) SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE (BELOW LEFT SIDE OF REAR SEAT) TRANSMISSION CONTROL MODULE (EGS) (IN E-BOX) UNLOADER RELAY TERMINAL 61 (FRONT POWER DISTRIBUTION BOX) WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU/ GRN WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (BRAKE PEDAL SUPPORT BRACKET) BRAKE PEDAL STATUS BRN VIO/ WIRE BRN WIRE BRN/ORG WIRE CHECK CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) DAAT LINE DATA LINE DATA LINK TO CCM DAYTIME RUNNING LIGHTS CODING DIODE (LEFT SIDE OF DASH) FOG LIGHT SIGNAL FOG LIGHTS POWER FRONT POWER DISTRIBUTION BOX (LEFT REAR SIDE OF ENGINE COMPT.) FUSE GRN BRN/ WIRE GRN GRY/ WIRE GRN RED/ WIRE GRN VIO/ WIRE GRN/ BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/ VIO WIRE GRY/BLK WIRE GRY/BLU/YEL WIRE GRY/BRN WIRE GRY/BRN/YEL WIRE GRY/GRN/YEL WIRE GRY/VIO WIRE GRY/YEL WIRE HEAD OFF PARK HEADLIGHTS SIGNAL HEADLIGHTS SYSTEM HIGH BEAM LIGHT POWER HIGH BEAM SIGNAL HIGH LEVEL STOP LIGHT POWER HOT AT ALL TIMES HOT IN ACCY, RUN AND START HOT IN RUN AND START INSTRUMENT CLUSTER SYSTEM LAC LINE LAMP CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) LEFT BRAKE LIGHT POWER LEFT FOG LIGHT POWER LEFT LOW BEAM POWER LEFT PARK LIGHT POWER LEFT PARK LIGHT RELAY (LEFT SIDE OF DASH) LEFT PARK LIGHT SIGNAL LEFT TAIL LIGHT POWER LEFT TAIL LIGHT SIGNAL LFT LICENSE PLATE LIGHT POWER LIGHT SWITCH LINE DATA ON-BOARD COMPUTER (CENTER OF DASH) PARK LIGHTS SIGNAL RED GRN/ WIRE RED WIRE RED/ BLU WIRE RED/BRN WIRE RIGHT BRAKE LIGHT POWER RIGHT FOG LIGHT POWER RIGHT LOW BEAM POWER RIGHT PARK LIGHT POWER RIGHT PARK LIGHT SIGNAL RIGHT PARK LIGHT/LICENSE PLATE LIGHT RELAY (LEFT SIDE OF DASH) RIGHT TAIL LIGHT POWER RIGHT TAIL LIGHT SIGNAL RT LICENSE PLATE LIGHT POWER VIO YEL/ WIRE VIO/BRN WIRE VOLTAGE SUPPLY WHT BRN WIRE WHT/BRN WIRE WHT/RED WIRE YEL GRN/ WIRE YEL VIO/ WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU RED/ WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (BRAKE PEDAL SUPPORT BRACKET) BRAKE PEDAL STATUS BRN VIO/ WIRE BRN/ORG WIRE CHECK CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) DAAT LINE DATA LINE DATA LINK TO CCM FOG LIGHT SIGNAL FOG LIGHTS POWER FRONT POWER DISTRIBUTION BOX (LEFT REAR SIDE OF ENGINE COMPT.) FUSE GRN BRN/ WIRE GRN GRY/ WIRE GRN RED/ WIRE GRN VIO/ WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/BLK WIRE GRY/BLU/YEL WIRE GRY/BRN WIRE GRY/BRN/YEL WIRE GRY/GRN/YEL WIRE GRY/VIO WIRE GRY/YEL WIRE HEAD HEAD OFF PARK HEADLIGHTS SIGNAL HEADLIGHTS SYSTEM HIGH BEAM LIGHT POWER HIGH BEAM SIGNAL HIGH LEVEL STOP LIGHT POWER HOT AT ALL TIMES HOT IN ACCY, RUN AND START INSTRUMENT CLUSTER SYSTEM LAMP CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) LEFT BRAKE LIGHT POWER LEFT FOG LIGHT POWER LEFT LOW BEAM POWER LEFT PARK LIGHT POWER LEFT PARK LIGHT SIGNAL LEFT TAIL LIGHT POWER LEFT TAIL LIGHT SIGNAL LFT LICENSE PLATE LIGHT POWER LIGHT SWITCH LINE DATA OFF PARK ON-BOARD COMPUTER (CENTER OF DASH) PARK LIGHTS SIGNAL RED WIRE RED/ BLU WIRE RED/BRN WIRE RIGHT BRAKE LIGHT POWER RIGHT FOG LIGHT POWER RIGHT LOW BEAM POWER RIGHT PARK LIGHT POWER RIGHT PARK LIGHT SIGNAL RIGHT TAIL LIGHT POWER RIGHT TAIL LIGHT SIGNAL RT LICENSE PLATE LIGHT POWER VIO YEL/ WIRE VIO/BRN WIRE VOLTAGE SUPPLY WHT BRN WIRE WHT/BRN WIRE WHT/RED WIRE YEL VIO/ WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

15 20 7 DATA LINK CONNECTOR (NEAR E-BOX LEFT) BLK WIRE BLK/RED WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED/YEL WIRE BLU/VIO/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY/YEL WIRE BRN/ORG OR BRN/VIO WIRE BRN/ORG WIRE BRN/VIO OR YEL/WHT WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) DRIVER'S SEAT BELT SWITCH DRIVERS DOOR JAMB SWITCH ENGINE CONTROLS SYSTEM ENGINE COOLANT LEVEL SWITCH (TOP CENTER OF ENGINE) ENGINE COOLANT TEMP SENSOR (FRONT OF ENGINE) FUEL LEVEL SENSOR (RIGHT SIDE OF LUGGAGE COMPARTMENT) GENERAL MODULE (REAR POWER DISTRIBUTION BOX) GROUND GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM INST CLSTR CONN D LEFT FOOTWELL) LEFT FRONT BRAKE PAD SENSOR MULTI- FUNCTION CLOCK NCA WIRE OIL LEVEL SENSOR (LEFT SIDE OF ENGINE) ON-BOARD COMPUTER (CENTER OF DASH) ON-BOARD COMPUTER TEMP SENSOR (UNDER LEFT FRONT BUMPER) ORG/ WIRE REAR WIPER/ WASHER FLUID LEVEL SWITCH (RIGHT SIDE OF LUGGAGE COMPT) RED/YEL WIRE RIGHT REAR BRAKE PAD SENSOR TRANSMISSION SYSTEM VIO/YEL WIRE WARNING SYSTEM WASHER FLUID LEVEL SWITCH (FRONT RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

ASC SWITCH BLU/GRN WIRE BRN WIRE BRN/ORG WIRE BRN/RED WIRE CANADA CANADA ONLY CHECK CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) LIGHT SWITCH ON SIGNAL CONTROL PANEL DIMMER EXTERIOR LIGHTS SYSTEM (TURN/HAZARD LIGHTS) FOG LIGHT SWITCH FRONT CIGAR LIGHTER LIGHT FRONT POWER DISTRIBUTION BOX (LEFT REAR SIDE OF ENGINE COMPARTMENT) FUSE GENERAL MODULE (REAR POWER DISTRIBUTION BOX) GRY/BLK WIRE GRY/RED WIRE HAZARD SWITCH HEAD OFF PARK HOT AT ALL TIMES INSTRUMENT CLUSTER (3) INSTRUMENT ILLUMINATION INTEGRATED CLIMATE REGULATION CONTROL MODULE (BETWEEN FRONT FOOTWELLS) LAMP CONTROL MODULE (FRONT POWER DISTRIBUTION BOX) LEFT FRONT LUMBAR SUPPORT SWITCH (NOT ILLUMINATED IN U.S.) LEFT FRONT SEAT HEATER SWITCH LEFT FRONT THIGH SUPPORT SWITCH LIGHT SWITCH LIGHTS ON SIGNAL OFF HEAD PARK ON OFF ON-BOARD COMPUTER (CENTER OF DASH) PARK LIGHTS SIGNAL PROGRAM SWITCH (W/EGS) RADIO RED/BLU WIRE RED/GRN WIRE RIGHT FRONT LUMBAR SUPPORT SWITCH (NOT ILLUMINATED IN U.S.) RIGHT FRONT SEAT HEATER SWITCH RIGHT FRONT THIGH SUPPORT SWITCH RIGHT PARK LIGHT/LICENSE PLATE LIGHT RELAY (LEFT SIDE OF DASH) SUNROOF SWITCH SWITCHING UNIT TRANSMISSION POSITION INDICATOR LIGHT UNDER HOOD LIGHT UNDER HOOD LIGHT SWITCH USA YEL/GRN WIRE