Yamaha 2009 YZF-R1 (Y) Service Manual page 511

ELECTRICAL COMPONENTS
1. Intake air temperature sensor
2. Headlight relay
3. Turn signal/hazard relay
4. Atmospheric pressure sensor
5. Intake air pressure sensor
6. Intake funnel servo motor
7. Fuel pump
8. Relay unit
9. Lean angle sensor
10.Coolant temperature sensor
11.Crankshaft position sensor
12.Throttle servo motor
13.Throttle position sensor
14.Accelerator position sensor
15.Radiator fan motor relay
16.ECU (engine control unit)
17.Cylinder identification sensor
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