2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 278Get this manual
FUEL INJECTION SYSTEM 3 Crankshaft position sensor Main switch Main fuse Load control relay Battery Fuel injection system fuse Engine stop switch Throttle switch Thumb warmer Grip warmer Oil pressure switch CO adjustment coupler ECU (engine control unit) Cylinder-#1 ignition coil Spark plug Cylinder-#2 ignition coil Cylinder-#3 ignition coil Fuel injection system relay Fuel pump Injector #1 Injector #2 Injector #3 Throttle position sensor Speed sensor ISC (idle speed control) unit Intake air pressure sensor (cylinders #1, #2, and #3) Intake air pressure sensor (cylinder #1) Coolant temperature sensor Intake air temperature sensor Gripthumb warmer adjustment switch Frame ground Tailbrake light Multi-function meter Warning light Headlight Headlight relay Radiator fan motor Radiator fan motor relay Ignition fuse Radiator fan motor fuse Signal fuse Headlight fuse