Smart Forfour A453 2014 Combustion Engine Fuse Box / Block Circuit Breaker
No. Fused function A 1 Internal combustion engine relay module
Valid for electric vehicle: Spare Diode 2 Valid for USA: Supply for vacuum pump relay Diode Valid for electric vehicle:
Transmission mode recognition sensor
Electric drive control unit 15 3 Fuel pump with fill level sensor and temperature sensor 20 Valid for electric vehicle: Electric vehicle drive motor fan relay 40 4 Supply for fused circuit 30 connector sleeve 25 Valid for electric vehicle: Battery cooling system coolant pumps relay 30 5 Supply for connector sleeves for circuit 87 15 Valid for electric vehicle: Battery cooling system coolant pump 15 6 Refrigerant compressor relay 15 Valid for electric vehicle:
Battery management system control unit
Electric drive control unit 5 7 Fan
Through fan relay 10 Valid for electric vehicle: Power electronics control unit power supply connector sleeve supply 20 8 Dual clutch transmission control unit 10 Valid for electric vehicle: Circuit 87 supply connector sleeve 15
Symbol Relay Map Relay K1 Engine function circuit 87 relay K2 Fan relay K3 Ignition coils/fuel pump actuation relay K4 Valid for electric vehicle: Battery cooling system coolant pumps relay
Smart Forfour A453 2014 Combustion Engine Fuse Panel / Board – Fuse Symbol Map