Smart Fortwo III (2014-2024) electric drive control unit Wiring diagrams

BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE BOOSTER VACUUM PUMP CONTROL UNIT BRAKE BOOSTER VACUUM SENSOR (ON BRAKE BOOSTER) BRN/WHT WIRE CENTER SAM CONTROL UNIT (UNDER CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DOUBLE-CLUTCH TRANSMISSION CONTROL UNIT DRIVER SAM CONTROL UNIT ELECTRIC DRIVE CONTROL UNIT ELECTRIC REFRIGERANT COMPRESSOR FUSE 18 FUSE 2 FUSE 3 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HIGH-VOLTAGE PTC HEATER HOT AT ALL TIMES HOT IN ON OR START IN LUGGAGE COMPT) ME-SFI (ME) CONTROL UNIT PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY FUSE, RELAY MODULE REAR ENGINE COMPT) RED WIRE RED/PNK WIRE RED/WHT WIRE STEERING WHEEL ANGLE SENSOR STOP LAMP SWITCH VACUUM PUMP VEHICLE INTERIOR FUSE, RELAY MODULE W/ AIR CONDITIONING W/O AIR CONDITIONING YEL WIRE YEL/WHT WIRE

AIR CONDITIONING BLOWER MOTOR POWER SUPPLY RELAY BATTERY CLAMP FUSE BATTERY COOLING SYSTEM COOLANT PUMP 1 BATTERY COOLING SYSTEM COOLANT PUMP 2 BLK WIRE BLK/BRN WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMBUSTION ENGINE FUSE, RELAY MODULE COMPUTER DATA LINES SYSTEM COOLANT PRESSURE SENSOR ELECTRIC DRIVE CONTROL UNIT ELECTRIC VEHICLE DRIVE MOTOR FAN RELAY FAN MOTOR (SERVICE COMPT) FAN RELAY FUSE 11 FUSE 3 FUSE 38 FUSE 5 FUSE 8 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ BATTERY COOLING SYSTEM COOLANT PUMPS RELAY ENERGIZED IN LUGGAGE COMPT) MAP PNK WIRE PNK/WHT WIRE RED WIRE RED/BRN WIRE VEHICLE INTERIOR FUSE, RELAY MODULE WHT WIRE WHT/BRN WIRE

BATTERY MANAGEMENT SYSTEM CONTROL UNIT BRN WIRE BRN/WHT WIRE CLIMATE CONTROL CONTROL UNIT ELECTRIC DRIVE CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC SELECTOR LEVER MODULE CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HIGH-VOLTAGE CRASH SENSOR CONTROL UNIT IN LUGGAGE COMPT) PNK/WHT WIRE POWERLINE GATEWAY CONTROL UNIT (UNDER PASSENGER'S SEAT) SMART RADIO MULTIMEDIA NAVIGATOR SOUND SYSTEM AMPLIFIER CONTROL UNIT SSAP SSAP AA SSAP BA SSAQ SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TELEMATICS SERVICES COMMUNICATION MODULE W/ DIRECT STEERING WINDSHIELD READING SYSTEM CONTROL UNIT

BATTERY COOLING SYSTEM COOLANT PUMP 1 BATTERY COOLING SYSTEM COOLANT PUMP 2 BLK WIRE BLK/BRN WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMBUSTION ENGINE FUSE, RELAY MODULE COMPUTER DATA LINES SYSTEM COOLANT PRESSURE SENSOR ELECTRIC DRIVE CONTROL UNIT ELECTRIC VEHICLE DRIVE MOTOR FAN ELECTRIC VEHICLE DRIVE MOTOR FAN RELAY FAN MOTOR (SERVICE COMPT) FAN RELAY FUSE 11 FUSE 3 FUSE 5 FUSE 7 FUSE 8 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HIGH-VOLTAGE CONTROL UNIT BOX HOT AT ALL TIMES HOT W/ BATTERY COOLING SYSTEM COOLANT PUMPS RELAY ENERGIZED IN LUGGAGE COMPT) MAP NCA WIRE PNK WIRE PNK/WHT WIRE POWER ELECTRONICS CONTROL UNIT POWER SUPPLY FUSE, RELAY MODULE REAR OF ENGINE COMPT) RED WIRE TOP OF ENGINE) VEHICLE INTERIOR FUSE, RELAY MODULE WHT WIRE WHT/BRN WIRE

ACCELERATE, SET SWITCH ACCELERATOR PEDAL SENSOR BLK WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE CENTER SAM CONTROL UNIT CLUTCH PEDAL SWITCH CLUTCH PEDAL SWITCH (ON CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM CRUISE CONTROL/ VARIABLE SPEED LIMITER SWITCH CRUISE CONTROL/VARIABLE SPEED LIMITER SWITCH GROUP DECELERATE, SET SWITCH DISTANCE WARNING FUNCTION BUTTON DISTANCE WARNING FUNCTION GATEWAY (LEFT OF STEERING COLUMN) DISTANCE WARNING FUNCTION W/ RADAR SENSOR CONTROLLER UNIT DOUBLE-CLUTCH TRANSMISSION CONTROL UNIT DRIVER SAM CONTROL UNIT (LEFT SIDE OF COCKPIT) ELECTRIC DRIVE CONTROL UNIT FUSE 15 FUSE 17 FUSE 18 FUSE 20 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IN LUGGAGE COMPT) INSTRUMENT CLUSTER LEFT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP MAM MAM BB NAM NAM BF OFF SWITCH PNK WIRE PNK/BLK WIRE PNK/WHT WIRE RED WIRE RED/WHT WIRE RESUME FROM MEMORY SWITCH RIGHT MULTI-FUNCTION STEERING WHEEL BUTTON GROUP STEERING WHEEL CLOCK SPRING CONTACT STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) VEHICLE INTERIOR FUSE, RELAY MODULE VIO WIRE W/ DIRECT STARTING W/O DIRECT STARTING WHT WIRE WINDSHIELD WIPER SYSTEM SWITCH YEL WIRE YEL/WHT WIRE

ALARM SIREN, ATA (EDW) CONTROL UNIT, TOW-AWAY PROTECTION SENSOR BLK WIRE BLK/BRN WIRE CENTER SAM CONTROL UNIT CENTER SAM CONTROL UNIT, ELECTRONIC SELECTOR LEVER MODULE CONTROL UNIT CONTROL UNIT) DISTANCE WARNING FUNCTION GATEWAY DOUBLE-CLUTCH TRANSMISSION CONTROL UNIT DRIVER SAM CONTROL UNIT, CENTER SAM CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT DRIVER SIDE POWER WINDOW SWITCH GROUP ELECTRIC ELECTRIC DRIVE CONTROL UNIT ELECTRIC VEHICLE SOUND GENERATOR ELECTRICAL POWER STEERING CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT, TRANSPONDER COIL, STOP LAMP SWITCH FANFARE HORN RELAY FROM CENTER SAM CONTROL UNIT (DIAGRAM 2 OF 4) FROM IGNITION LOCK (DIAGRAM 2 OF 4) FROM POWER SUPPLY FUSE, RELAY MODULE (DIAGRAM 1 OF 4) FROM VEHICLE INTERIOR FUSE, RELAY MODULE (DIAGRAM 2 OF 4) FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION FRONT PASSENGER SEAT HEATER CONTROL UNIT FRONT POWER WINDOW RELAY FUSE 12 FUSE 15 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 2 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 33 FUSE 35 FUSE 5 FUSE 8 GROUND DISTRIBUTION SYSTEM HEATED REAR WINDOW/OUTSIDE MIRRORS RELAY INTERIOR PROTECTION SENSOR 1 INTERIOR PROTECTION SENSOR 2 LANE KEEPING ASSIST BUTTON MULTI-FUNCTION CAMERA N/A OUTSIDE MIRROR ADJUSTMENT SWITCH PNK/BRN (OR YEL) WIRE PNK/BRN WIRE RADIO RED WIRE RED/PNK WIRE RED/WHT WIRE RESERVE FUSE 1 RESERVE FUSE 13 RESERVE FUSE 2 RESERVE FUSE 3 RESERVE FUSE 32 RESERVE FUSE 4 RESERVE FUSE 9 STEERING WHEEL ANGLE SENSOR STOP LAMP SWITCH SUPPLEMENTAL RESTRAINT SYSTEM TO IGNITION LOCK (DIAGRAM 2 OF 4) W/ ACTIVE LANE KEEPING ASSIST W/O ANTI-THEFT ALARM SYSTEM WEIGHT SENSING SYSTEM WINDSHIELD WIPER SYSTEM SWITCH, BACKUP LIGHT ACTIVATION/ IDLE RECOGNITION SWITCH YEL WIRE YEL/BRN (OR PNK/BRN) WIRE YEL/BRN WIRE YEL/WHT WIRE

AIR CONDITIONING BLOWER MOTOR POWER SUPPLY RELAY BATTERY COOLING SYSTEM COOLANT PUMP 1, BATTERY COOLING SYSTEM COOLANT PUMP 2 BATTERY COOLING SYSTEM COOLANT PUMPS RELAY BLOWER MOTOR COMBUSTION ENGINE FUSE, RELAY MODULE ELECTRIC ELECTRIC DRIVE CONTROL UNIT ELECTRIC DRIVE CONTROL UNIT, TRANSMISSION MODE RECOGNITION SENSOR FROM BATTERY CLAMP FUSE (DIAGRAM 1 OF 4) FROM COMBUSTION ENGINE FUSE, RELAY MODULE (DIAGRAM 1 OF 4) FROM POWER SUPPLY FUSE, RELAY MODULE (DIAGRAM 1 OF 4) FROM VEHICLE INTERIOR FUSE, RELAY MODULE (DIAGRAM 2 OF 4) FUSE 1 FUSE 10 FUSE 2 FUSE 39 FUSE 5 FUSE 8 FUSE 9 GRN WIRE GRN/BRN WIRE GRN/WHT WIRE PNK WIRE RED WIRE RED/BRN WIRE STEERING WHEEL HEATER RELAY VEHICLE INTERIOR FUSE, RELAY MODULE WHT/BRN WIRE

ACCELERATOR PEDAL SENSOR BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRIC DRIVE CONTROL UNIT ELECTRIC VEHICLE SOUND GENERATOR FUSE 1 FUSE 21 FUSE 5 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HIGH-VOLTAGE CRASH SENSOR CONTROL UNIT HOT AT ALL TIMES HOT IN RUN OR START HOT W/ AIR CONDITIONING BLOWER MOTOR POWER SUPPLY RELAY ENERGIZED IN LUGGAGE COMPT) MAM MAS NH AA PNK WIRE PNK/WHT WIRE POTENTIOMETER 1 POTENTIOMETER 2 RED WIRE RED/BRN WIRE RED/WHT WIRE SOUND GENERATOR BUTTON STEERING WHEEL CLOCK SPRING TOP OF TRANSMISSION) TRANSMISSION MODE RECOGNITION SENSOR VEHICLE INTERIOR FUSE, RELAY MODULE YEL/WHT WIRE