Ycc-T/Ycc-I System Outline - Yamaha 2009 YZF-R1 (Y) Service Manual

YCC-T/YCC-I system outline

1. Throttle position sensor
2. Throttle servo motor
3. Accelerator position sensor
4. ECU (engine control unit)
5. ETV main CPU (32 bit)
6. FI CPU (32 bit)
7. Throttle servo motor driver
8. Throttle servo motor driver operation sens-
ing/shut off circuit
9. Throttle servo motor driver operation sens-
ing feedback/emergency stop
10.Emergency stop
11.Engine revolution (pulse signal)
12.Sensor input
13.Neutral switch
14.Crankshaft position sensor
15.Speed sensor
16.Coolant temperature sensor
17.Atmospheric pressure sensor
18.Intake funnel servo motor driver
19.Intake funnel servo motor
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FEATURES