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

BLK WIRE BRN WIRE BRN/ORG WIRE CHECK CONTROL MODULE CRANKSHAFT POSITION/RPM SENSOR SHIELD CYL 1 IGNITION COIL CYL 1-4 HEATED OXYGEN SENSOR CYL 2 IGNITION COIL CYL 3 IGNITION COIL CYL 4 IGNITION COIL CYL 5 IGNITION COIL CYL 5-8 HEATED OXYGEN SENSOR CYL 6 IGNITION COIL CYL 7 IGNITION COIL CYL 8 IGNITION COIL DATA LINK CONNECTOR ELECTRONIC THROTTLE CONTROL MODULE (ADS II) ENGINE CONTROL MODULE (DME) GLOVE BOX LIGHT SWITCH GRY/BRN WIRE HALL EFFECT CAMSHAFT SENSOR HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR SHIELD HOT FILM AIR MASS METER IGNITION COILS SHIELD MASS AIR FLOW SENSOR NCA WIRE OIL LEVEL SENSOR OIL PRESSURE SWITCH ON-BOARD COMPUTER ORG/ WIRE PARK HEATING/ VENTILATION RELAY BOX PROGRAM SWITCH RADIO ANTI- THEFT SWITCH (DWA) RESISTOR SEAT/ MIRROR MEMORY CONTROL MODULE SECONDARY AIR PUMP SECONDARY AIR PUMP RELAY TEMPERATURE SWITCH TRANS- MISSION CONTROL MODULE (AGS) TRANS- MISSION CONTROL MODULE (EGS) TRANSMISSION CONTROL MODULE (AGS) TRANSMISSION CONTROL MODULE (EGS)

ABS HYDRAULIC UNIT AUXILIARY WATER PUMP RELAY BLK WIRE BLOWER RELAY BLU WIRE BRN WIRE CANADA CHARGING SOCKET CHECK CONTROL MODULE CHIME MODULE COMPRESSOR CONTROL RELAY CONTROL PANEL CRASH CONTROL MODULE FROM FRONT POWER DISTRIBUTION BOX FROM FRONT POWER DISTRIBUTION BOX (DIAGRAM 1 OF 5) FRONT CIGAR LIGHTER FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) FUSE FUSE FUSE GRN WIRE GRN/BRN WIRE GRY WIRE HAZARD FLASHER RELAY HEADLIGHT/ FOGLIGHT CLEANING MODULE (SRA) (CANADA) HIGH SPEED RELAY HORN RELAY INSTRUMENT CLUSTER INTEGRATED CLIMATE REGULATION CONTROL MODULE LAMP CONTROL MODULE LEFT LOW BEAM HEADLIGHT LIGHT SWITCH NCA WIRE NORMAL SPEED RELAY ON-BOARD COMPUTER PARK HEATING/ VENTILATION RELAY BOX PARK LIGHT RELAY (CANADA) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT HIGH BEAM HEADLIGHT RIGHT LOW BEAM HEADLIGHT LEFT HIGH BEAM HEADLIGHT RIGHT PARK LIGHT/ LICENSE PLATE LIGHT RELAY SLIP CONTROL MODULE TO FUSE 19 (DIAGRAM 3 OF 5) TRUNK LID LIGHT LEFT REAR INTERIOR LIGHT TRUNK LID SWITCH FRONT DOME/ MAP LIGHT ASSEMBLY UNLOADER RELAY TERMINAL UNLOADER RELAY TERMINAL 15 USA VIO WIRE WATER VALVE ASSEMBLY RIGHT REAR INTERIOR LIGHT WHT WIRE YEL WIRE

ANTI-THEFT CONTROL MODULE SEAT/MIRROR MEMORY CONTROL MODULE AUTOMATIC TRANSMISSION RANGE SWITCH BACK-UP LIGHT SWITCH (M/T) BLK WIRE BRN WIRE CHECK CONTROL MODULE BRAKE LIGHT SWITCH CRUISE CONTROL MODULE CRUISE CONTROL SWITCH WIPER RELAY FROM IGNITION SWITCH (DIAGRAM 1 OF 5) FROM UNLOADER RELAY TERMINAL 15 (DIAGRAM 2 OF 5) FROM UNLOADER RELAY TERMINAL R (DIAGRAM 2 OF 5) FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) FUSE FUSE GLOVE BOX LIGHT LEFT REAR INTERIOR LIGHT GRN WIRE GRN/BLK WIRE GRN/BLK/YEL WIRE INSTRUMENT CLUSTER JET HEATER THERMOSWITCH LAMP CONTROL MODULE LEFT MAKEUP MIRROR LIGHT LEFT SEAT HEATER SWITCH LEFT SEAT LUMBAR SWITCH LEFT SIDE MEMORY MIRROR MIRROR CONTROL SWITCH ON-BOARD COMPUTER RADIO REAR WIPER/ WASHER INTERVAL CONTROL MODULE RED WIRE REMOTE LOCKING RECEIVER RIGHT MAKEUP MIRROR LIGHT RIGHT REAR INTERIOR LIGHT ANTI-THEFT CONTROL MODULE REAR WINDOW WIPER RELAY 2 RIGHT SEAT HEATER SWITCH RIGHT SIDE MEMORY MIRROR SEAT/MIRROR MEMORY CONTROL MODULE TELEPHONE INTERFACE TELEPHONE TRANSCEIVER UNCOUPLING DIODE (EARLY PRODUCTION) VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/ MEMORY ONLY W/O EGS W/ EGS W/O MEMORY W/ MEMORY WHT WIRE YEL WIRE

AUXILIARY RELAY BOX (LEFT SIDE OF ENGINE COMPARTMENT) FUSE AUXILIARY WATER PUMP RELAY BLK WIRE BLU WIRE COMBINATION SWITCH COMPRESSOR CONTROL RELAY DATA LINK CONNECTOR DAYTIME RUNNING LIGHTS CODING DIODE (CANADA) ELECTRONIC THROTTLE CONTROL MODULE (ADS II) FROM FRONT POWER DISTRIBUTION BOX FROM IGNITION SWITCH FROM IGNITION SWITCH (DIAGRAM 1 OF 5) FROM IGNITION SWITCH (DIAGRAM 2 OF 5) FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) FUSE GENERAL MODULE GENERAL MODULE ANTI-THEFT CONTROL MODULE (DWA) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY WIRE HIGH SPEED RELAY INSTRUMENT CLUSTER AUTOMATIC TRANSMISSION RANGE SWITCH (W/ EGS) LAMP CONTROL MODULE (CANADA) LIGHT SWITCH NORMAL SPEED RELAY NOT USED ON-BOARD COMPUTER RED WIRE RED/GRY WIRE STARTER IMMOBILIZATION RELAY (LATE PRODUCTION) UNLOADER RELAY TERMINAL 61 VIO WIRE WASHER PUMP WHEEL CAMBER CONTROL MODULE (EARLY PRODUCTION) WHT WIRE YEL WIRE

A/T AUTOMATIC TRANSMISSION RANGE SWITCH B+ JUMP BATTERY BLK WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE DATA LINK CONNECTOR (NEAR E-BOX, LEFT) FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) GENERAL MODULE GRN WIRE HOT AT ALL TIMES HOT IN RUN AND START FUSE IGNITION SWITCH INTEGRATED CLIMATE REGULATION CONTROL MODULE JUMPER PLUG (REAR LEFT SIDE OF ENGINE COMPARTMENT) JUNCTION POINT LOCK M/T M/T A/T NOT USED ON-BOARD COMPUTER RED WIRE RUN WIRE STARTER STARTER RELAY (REAR LEFT SIDE OF ENGINE COMPARTMENT) YEL WIRE

8 5 W/ EGS W/O EGS AUTOMATIC TRANSMISSION RANGE SWITCH B+ JUMP BATTERY BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BRN WIRE FRONT POWER DISTRIBUTION BOX (REAR LEFT SIDE OF ENGINE COMPARTMENT) GENERAL MODULE GRN WIRE HOT AT ALL TIMES HOT IN RUN AND START FUSE IGNITION SWITCH INTEGRATED CLIMATE REGULATION CONTROL MODULE JUNCTION POINT LEFT FOOTWELL) LOCK ON-BOARD COMPUTER RED WIRE RUN WIRE STARTER STARTER IMOBILIZATION RELAY (IN FRONT POWER DISTRIBUTION BOX) W/ EGS W/O EGS W/ EGS YEL WIRE

A/C SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/VIO WIRE CYL 1-2 CYL 3-4 CYL 7-8 CYL. 1-4 HEATED OXYGEN SENSOR (IN EXHAUST PIPE) CYL. 5-6 CYL. 5-8 HEATED OXYGEN SENSOR (IN EXHAUST PIPE) DATA LINK CONNECTOR (PARTIAL) (RIGHT REAR OF ENGINE COMPARTMENT) DRIVE SLIPS CTRL CAN SHIELD CAN-L CAN-H DIAGNOSIS (RXD) DIAGNOSIS (TXD) ENIGINE CONTROL MODULE (BEHIND RIGHT FRONT SHOCK TOWER, IN ELECTRONICS BOX) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE HEADLIGHT SWITCH, HEADLIGHT, FOGLIGHTS (U.S. MODELS) HEADLIGHTS ON SIG ENGINE DRAG TORQUE HOT AT ALL TIMES IGNITION SWITCH INTAKE AIR TEMP SENS ENG COOL TEMP SENS INTEGRATED CLIMATE REG. CONTROL PANEL KNOCK SENSORS (TOP OF ENGINE) NCA WIRE NORMAL SPEED RELAY, PRESSURE SWITCH OFF ON-BOARD COMPUTER ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RUN WIRE S-EML SHIELD SLIP CONTROL MODULE (IN ELECTRONICS BOX) THROTTLE POS SENS TRANSMISSION CONTROL MODULE (IN ELECTRONICS BOX) VIO WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/C SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/VIO WIRE CYL 1-2 CYL 3-4 CYL 7-8 CYL. 1-4 HEATED OXYGEN SENSOR (IN EXHAUST PIPE) CYL. 5-6 CYL. 5-8 HEATED OXYGEN SENSOR (IN EXHAUST PIPE) DATA LINK CONNECTOR (PARTIAL) (RIGHT REAR OF ENGINE COMPARTMENT) DRIVE SLIPS CTRL CAN SHIELD CAN-L CAN-H DIAGNOSIS (RXD) DIAGNOSIS (TXD) ENIGINE CONTROL MODULE (BEHIND RIGHT FRONT SHOCK TOWER, IN ELECTRONICS BOX) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE HEADLIGHT SWITCH, HEADLIGHT, FOGLIGHTS (U.S. MODELS) HEADLIGHTS ON SIG ENGINE DRAG TORQUE HOT AT ALL TIMES IGNITION SWITCH INTAKE AIR TEMP SENS ENG COOL TEMP SENS INTEGRATED CLIMATE REG. CONTROL PANEL KNOCK SENSORS (TOP OF ENGINE) NCA WIRE NORMAL SPEED RELAY, PRESSURE SWITCH OFF ON-BOARD COMPUTER ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RUN WIRE S-EML SHIELD SLIP CONTROL MODULE (IN ELECTRONICS BOX) THROTTLE POS SENS TRANSMISSION CONTROL MODULE (IN ELECTRONICS BOX) VIO WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE