2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 148Get this manual
500 EFI FUEL SYSTEM EFI SYSTEM EXPLODED VIEW
1Electronic Control Unit (ECU) 2Manifold Absolute Pressure Sensor (MAP) 3Intake Air Temperature Sensor (IAT) 4Idle Air Control (IAC) 5Crankshaft Position Sensor (CPSinside cover) 6Fuel Injector 7Fuel Rail 8Fuel Filter(s) 9Fuel Tank Assy10Engine Coolant Temperature Sensor (ECT) 11Throttle Position Sensor (TPS) LH side of Throttle body 12Throttle Body