Smart·Fortwo·2017 Smart Fortwo·Wiring
Wiring diagram

2017 Smart Fortwo — power distribution

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Power distribution

1 2 1 2 1 2 1 2 2 1 2 2 1 2 1 2 1 1 2 2 1 2 1 1 2 2 1 15A 5A 50A 40A N L M 40A 30A 20A K 20A 20A 40A 70A G 25A 30A H 30A N/A 60A 25A 10A 10A A 60A B 50A 200A 60A 30A 70A 70A ON BOARD ELECTRICAL SYSTEM BATTERY VEHICLE INTERIOR FUSE & RELAY MODULE COMBUSTION ENGINE RELAY MODULE REFRIGERANT COMPRESSOR RELAY VACUUM PUMP RELAY COMBUSTION ENGINE FUSE & RELAY MODULE ENGINE FUNCTION CIRCUIT 87 RELAY FAN RELAY IGNITION COILS/ FUEL PUMP ACTUATION RELAY E3 S3 AE E2 E1 AE S2 S1 S4 E2 E1 SBB C1 S3 AA S2 S1 S6 AB S1 S2 B3 A3 B3 S6 S2 A1 A3 C3 S4 S7 E7 E8 S8 E6 E2 E4 S7 AA B AB S5 B A A RED RED RED RED RED/BRN WHT RED/BRN RED RED RED RED RED RED RED RED RED RED RED RED/PNK RED/BRN (OR RED/PNK) (OR RED/BLK) (OR RED/BLK) RED/BRN RED/BRN (OR RED/PNK) RED/BRN YEL/WHT RED/PNK RED/BRN RED/BRN RED RED RED RED RED/BRN RED (OR RED/PNK) RED (OR RED/PNK) RED/BRN RED/BRN RED/BRN RED RED RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN (OR WHT) RED/BRN RED (OR RED) RED RED RED RED RED/BRN RED BATTERY CLAMP FUSE ELECTRICAL FUSE 2A ELECTRICAL FUSE 2B FUSE 1 ELECTRICAL FUSE 3A ELECTRICAL FUSE 3B POWER SUPPLY FUSE & RELAY MODULE RESERVE FUSE 8 FUSE 7 FUSE 6 FUSE 9 FUSE 3 FUSE 4 FUSE 5 FUSE 1 FUSE 2 FUSE 2 FUSE 1 FUSE 8 FUSE 7 FUSE 4 FUSE 3 FUSE 6 (EXCEPT ELECTRIC) & (ELECTRIC) ELECTRIC EXCEPT ELECTRIC (NOT USED) (W/ TWINAMIC) (IF EQUIPPED) (IF EQUIPPED) (W/ TWINAMIC) (ON BATTERY POSITIVE POST) (LEFT REAR OF ENGINE COMPT) (GLOVE COMPT) (BEHIND RIGHT REAR BODY PANEL) STARTER, ALTERNATOR, ELECTRONIC STABILITY PROGRAM CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 2 OF 4) TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 2 OF 4) HIGH-VOLTAGE CONTROL UNIT BOX TO AIR CONDITIONING BLOWER MOTOR POWER SUPPLY RELAY (DIAGRAM 4 OF 4) SECONDARY AIR INJECTION PUMP RELAY & HIGH VOLTAGE BATTERY HEATER RELAY ELECTRONIC STABILITY PROGRAM CONTROL UNIT ICE COMBUSTION ENGINE COOLING FAN SOLENOID SWITCH & FAN RELAY BRAKE BOOSTER VACUUM PUMP CONTROL UNIT TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4) DOUBLE CLUTCH TRANSMISSION CONTROL UNIT FRONT PASSENGER SEAT HEATER CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT SOFT TOP CONTROL DRIVE UNIT TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 4 OF 4) TO BATTERY COOLING SYSTEM COOLANT PUMPS RELAY (DIAGRAM 4 OF 4) TO BATTERY COOLING SYSTEM COOLANT PUMPS RELAY (DIAGRAM 4 OF 4) DOUBLE CLUTCH TRANSMISSION CONTROL UNIT FROM VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4) ELECTRIC VEHICLE DRIVE MOTOR FAN RELAY ELECTRIC DRIVE CONTROL UNIT & BATTERY MANAGEMENT SYSTEM CONTROL UNIT HIGH-VOLTAGE CHARGER CONTROL UNIT BATTERY (7 KW CHARGER) & HIGH-VOLTAGE CONTROL UNIT BOX
1 2 1 2 1 2 3 4 4 3 1 4 P LOCK LOCK ACC RUN START LOCK ACC RUN START START RUN ACC J D C 5A F E 15A 30A 10A 10A 25A 20A 30A 10A B 25A 40A 25A 15A 10A 15A 20A A 5A 5A 20A 20A VEHICLE INTERIOR FUSE & RELAY MODULE CENTER SAM CONTROL UNIT VEHICLE INTERIOR FUSE & RELAY MODULE FRONT POWER WINDOW RELAY STARTER RELAY DRIVER SAM CONTROL UNIT 4 7 8 5 S1 19 6 4 10 9 11 12 P2 P1 P2 2 12 P2 8 7 4 2 P1 AD A3 AA S36 E36 BB 1 2 AA 4 AA S30 S28 S29 1 S1 S31 E37 E39 S39 B3 E6 E30 E1 E7 S7 S37 S6 AA AA S38 S5 S24 S25 S26 S14 E14 E26 AB E34 E38 E4 S11 E11 E5 S34 S27 S4 AB 3 6 1 (OR BRN/WHT) RED RED RED RED/BRN RED/BRN RED/WHT RED RED/BRN RED/WHT RED/BRN BLK/WHT GRN/WHT WHT PNK/WHT BLK BLK/WHT WHT GRN/WHT RED/PNK RED/BRN YEL/BRN RED/BRN (OR WHT) RED RED PNK/WHT RED/BRN PNK/BRN PNK/BRN PNK/BRN PNK/BRN PNK/BRN PNK/BRN PNK/BRN RED/BRN PNK/WHT RED/WHT PNK/BRN YEL/BRN RED/BRN RED RED RED/BRN RED RED/BRN RED RED/BRN RED/BRN RED (OR WHT) (OR PNK/BRN) RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED RED/WHT RED/WHT RED RED/WHT RED/BRN RED/WHT RED/BRN RED/BRN (OR RED) RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED RED/WHT (OR RED) (OR RED) (OR PNK/BRN) FUSE 14 FUSE 4 FUSE 38 FUSE 24 FUSE 25 FUSE 26 FUSE 5 FUSE 34 FUSE 27 FUSE 11 FUSE 7 FUSE 6 FUSE 28 FUSE 30 FUSE 37 FUSE 29 FUSE 1 FUSE 36 FUSE 31 FUSE 39 REAR LUGGAGE CARRIER ELECTRICAL CONNECTOR IGNITION LOCK START/STOP BUTTON (W/ SMART MEDIA SYSTEM), (W/ SMART MEDIA SYSTEM), W/ DIRECT STARTING W/O DIRECT STARTING ELECTRIC EXCEPT ELECTRIC (IF EQUIPPED) & (ELECTRIC) (IF EQUIPPED) (W/ PREINSTALLATION REAR RACK) W1/3 (GLOVE COMPT) (GLOVE COMPT) (LEFT SIDE OF DASH) SOUND SYSTEM AMPLIFIER CONTROL UNIT DRIVER SAM CONTROL UNIT COMBINATION SWITCH BATTERY SENSOR DIAGNOSTIC CONNECTOR, RADIO, TELEMATICS SERVICES COMMUNICATION MODULE, MULTIMEDIA OPERATING UNIT TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4) AIR CONDITIONING POWER SUPPLY SOLENOID SWITCH FROM BATTERY CLAMP FUSE (DIAGRAM 1 OF 4) SMART RADIO MULTIMEDIA NAVIGATOR TO AIR CONDITIONING BLOWER MOTOR POWER SUPPLY RELAY (DIAGRAM 4 OF 4) AUDIO GATEWAY CONTROL UNIT, WINDSHIELD READING SYSTEM CONTROL UNIT, CARD READER POWERLINE GATEWAY CONTROL UNIT ADDITIONAL INSTRUMENTS COMBINATION SWITCH CENTER SAM CONTROL UNIT TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4) INSTRUMENT CLUSTER FROM BATTERY CLAMP FUSE (DIAGRAM 1 OF 4) LIGHTS SYSTEM INTERIOR ELECTRONIC SELECTOR LEVER MODULE CONTROL UNIT FROM VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4) TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4) TO VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 3 OF 4)
10A J H N/A N/A N/A N/A N/A 10A G 30A 5A 15A 15A 5A 5A 5A F N/A N/A N/A N/A N/A N/A C 15A E 15A D 10A 5A 3A 5A VEHICLE INTERIOR FUSE & RELAY MODULE FRONT POWER WINDOW RELAY HEATED REAR WINDOW/OUTSIDE MIRRORS RELAY STARTER RELAY HEATED REAR WINDOW/OUTSIDE MIRRORS RELAY FANFARE HORN RELAY S2 E2 3 1 2 A3 AA AE E4 S4 S3 E3 S1 E1 E3 S3 E9 S9 AB AA A1 S18 S17 S15 AD A1 S16 AA S35 S33 S23 E23 E33 E35 E16 S5 E5 AB AA S32 E32 E13 S13 S9 E9 E4 S4 S3 E3 E2 S2 B3 B1 AD S12 AA E8 E12 S8 B1 S21 S22 S20 S29 E20 YEL/WHT YEL/BRN YEL/BRN YEL/BRN RED/WHT BLK/BRN BLK/BRN YEL/BRN YEL/BRN YEL/WHT (OR YEL) RED (OR YEL) YEL/WHT YEL YEL YEL YEL YEL YEL/BRN YEL/WHT YEL/WHT YEL YEL/WHT YEL/BRN YEL/BRN YEL/BRN YEL/BRN YEL/BRN (OR YEL/WHT) YEL/BRN YEL/BRN RED RED RED/WHT RED/WHT RED BLK YEL/BRN YEL PNK/BRN PNK/BRN (OR YEL) YEL/BRN (OR PNK/BRN) (OR YEL) YEL (OR RED/BRN) (OR RED) RED/WHT RED RED RED RED/WHT RED RED/WHT RED/PNK BLK/BRN RESERVE FUSE 2 RESERVE FUSE 13 RESERVE FUSE 9 RESERVE FUSE 3 RESERVE FUSE 32 RESERVE FUSE 4 FUSE 19 FUSE 20 FUSE 22 FUSE 21 FUSE 15 FUSE 17 FUSE 18 FUSE 16 FUSE 2 FUSE 5 FUSE 33 FUSE 35 FUSE 23 RESERVE FUSE 9 RESERVE FUSE 4 RESERVE FUSE 3 RESERVE FUSE 1 RESERVE FUSE 3 FUSE 8 FUSE 12 FRONT CIGARETTE LIGHTER W/ ASHTRAY ILLUMINATION (NOT USED) (ELECTRIC), (W/ TWINAMIC) (EXCEPT ELECTRIC) (W/ TWINAMIC) & (IF EQUIPPED), (IF EQUIPPED), (ELECTRIC) (IF EQUIPPED) (W/ COLLISION WARNING SYSTEM), (W/ TWINAMIC), (W/ REAR PARKING ASSIST), (W/ ACTIVE LANE KEEPING ASSIST) & (W/ ANTI-THEFT ALARM SYSTEM) (NOT USED) W/O ANTI-THEFT ALARM SYSTEM (CONVERTIBLE), (NOT USED) (CONVERTIBLE), (W/ SMOKER SET) W1/3 (GLOVE COMPT) (LEFT SIDE OF DASH) ELECTRIC VEHICLE SOUND GENERATOR RAIN/LIGHT SENSOR, FRONT DOME LAMP W/ READING LAMPS, LOAD COMPARTMENT LAMP, FRONT PASSENGER AIR BAG WARNING INDICATOR, CLIMATE CONTROL UNIT, CLIMATE CONTROL OPERATING UNIT, VEHICLE INTERIOR HUMIDITY & TEMPERATURE SENSOR ELECTRONIC STABILITY PROGRAM CONTROL UNIT, TRANSPONDER COIL & STOP LAMP SWITCH STEERING WHEEL ANGLE SENSOR OUTSIDE MIRROR ADJUSTMENT SWITCH DOUBLE CLUTCH TRANSMISSION CONTROL UNIT FROM CENTER SAM CONTROL UNIT (DIAGRAM 2 OF 4) TO IGNITION LOCK (DIAGRAM 2 OF 4) STOP LAMP SWITCH SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT ELECTRICAL POWER STEERING CONTROL UNIT DOUBLE CLUTCH TRANSMISSION CONTROL UNIT ME-SFI (ME) CONTROL UNIT, DRIVER SAM CONTROL UNIT & CENTER SAM CONTROL UNIT FRONT PASSENGER SEAT HEATER CONTROL UNIT WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT DRIVER SEAT HEATER CONTROL UNIT CENTER SAM CONTROL UNIT, ELECTRONIC SELECTOR LEVER MODULE CONTROL UNIT TO COMBUSTION ENGINE FUSE & RELAY MODULE (DIAGRAM 1 OF 4) ELECTRIC DRIVE CONTROL UNIT DRIVER SIDE POWER WINDOW SWITCH GROUP FROM IGNITION LOCK (DIAGRAM 2 OF 4) DISTANCE WARNING FUNCTION GATEWAY PARKING SYSTEM CONTROL UNIT BRAKE BOOSTER VACUUM PUMP CONTROL UNIT, POWER ELECTRONIC CONTROL UNIT & HIGH VOLTAGE CONTROL UNIT BOX WINDSHIELD WIPER SYSTEM SWITCH & BACKUP LIGHT ACTIVATION/ IDLE RECOGNITION SWITCH STEERING WHEEL CLOCK SPRING CONTACT & DISTANCE WARNING FUNCTION W/ RADAR SENSOR CONTROLLER UNIT MULTI-FUNCTION CAMERA LANE KEEPING ASSIST BUTTON RADIO CENTER SAM CONTROL UNIT GROUND DISTRIBUTION SYSTEM INTERIOR PROTECTION SENSOR 1 FROM VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 2 OF 4) FROM POWER SUPPLY FUSE & RELAY MODULE (DIAGRAM 1 OF 4) FROM IGNITION LOCK (DIAGRAM 2 OF 4) INTERIOR PROTECTION SENSOR 2 ALARM SIREN, ATA (EDW) CONTROL UNIT & TOW-AWAY PROTECTION SENSOR
N 10A P 40A 15A 15A 15A L M K 5A 25A 15A COMBUSTION ENGINE FUSE & RELAY MODULE VEHICLE INTERIOR FUSE & RELAY MODULE STEERING WHEEL HEATER RELAY E1 AB S1 S39 AA E39 AA 2 5 1 3 4 S5 S2 S8 E5 E2 E8 A4 A5 A2 AD A3 A1 E10 S10 S8 S9 AB E8 E9 AB (OR RED) RED/BRN RED/BRN RED RED RED/BRN RED RED RED PNK RED/BRN WHT/BRN GRN/BRN GRN/WHT GRN/BRN GRN GRN GRN GRN/BRN GRN RED RED RED RED RED RED RED RED RED RED BATTERY COOLING SYSTEM COOLANT PUMPS RELAY FUSE 2 FUSE 8 FUSE 5 FUSE 8 FUSE 10 FUSE 9 FUSE 1 FUSE 39 AIR CONDITIONING BLOWER MOTOR POWER SUPPLY RELAY (ELECTRIC) (NOT USED) (NOT USED) (ELECTRIC) (NOT USED) (BEHIND RIGHT REAR BODY PANEL) (GLOVE COMPT) FROM COMBUSTION ENGINE FUSE & RELAY MODULE (DIAGRAM 1 OF 4) FROM COMBUSTION ENGINE FUSE & RELAY MODULE (DIAGRAM 1 OF 4) ELECTRIC DRIVE CONTROL UNIT BATTERY COOLING SYSTEM COOLANT PUMP 1 & BATTERY COOLING SYSTEM COOLANT PUMP 2 FROM POWER SUPPLY FUSE & RELAY MODULE (DIAGRAM 1 OF 4) ELECTRIC DRIVE CONTROL UNIT & TRANSMISSION MODE RECOGNITION SENSOR FAN RELAY, BATTERY MANAGEMENT SYSTEM CONTROL UNIT, HIGH-VOLTAGE BATTERY COOLING SYSTEM REGULATING VALVE, HIGH-VOLTAGE BATTERY COOLING & HIGH-VOLTAGE CONTROL UNIT BOX CONTROL VALVE FROM VEHICLE INTERIOR FUSE & RELAY MODULE (DIAGRAM 2 OF 4) BLOWER MOTOR DRIVER SEAT HEATER CONTROL UNIT, FRONT PASSENGER SEAT HEATER CONTROL UNIT, LEFT FRONT SEAT HEATER SWITCH & RIGHT FRONT SEAT HEATER SWITCH HIGH-VOLTAGE BATTERY HEATER RELAY, ELECTRONIC SELECTOR LEVER MODULE CONTROL UNIT, HIGH-VOLTAGE PTC HEATER, ECLECTIC REFRIGERANT COMPRESSOR, HIGH-VOLTAGE CRASH SENSOR CONTROL UNIT, HEATED REAR WINDOW/ OUTSIDE MIRRORS RELAY & ELECTRIC VEHICLE DRIVE MOTOR FAN RELAY ELECTRIC DRIVE CONTROL UNIT FROM BATTERY CLAMP FUSE (DIAGRAM 1 OF 4)