SymbolDescription1Air temperature Sensor2Diagnostic Socket3Electronic Control Unit4Fuel Injection Pump5Fast Idle Valve6Borg Warner Modulating Valve7Heater Plugs8EGR Valve9Pre-heating Control Unit10RPM Sensor11Pre-Heating Control Unit Fuse12Air Flow Meter13Coolant Temperature Sensor14Injector Fiat Cinquecento 1994 Engine Electrical Circuit Symbol Map