Yamaha YZF-R1 Series Service Manual page 500

EAS32864
PARTS CONNECTED TO THE ECU
The following parts are connected to the ECU.
When checking for a power short circuit, the couplers must be disconnected from all of the following
parts beforehand.
• Crankshaft position sensor
• Primary injector #1
• Primary injector #2
• Primary injector #3
• Primary injector #4
• Secondary injector #1
• Secondary injector #2
• Secondary injector #3
• Secondary injector #4
• Ignition coil #1
• Ignition coil #2
• Ignition coil #3
• Ignition coil #4
• Throttle position sensor
• Accelerator position sensor
• Intake air pressure sensor
• Atmospheric pressure sensor
• Coolant temperature sensor
• Gear position sensor
• Shift sensor
• Intake air temperature sensor
EAS32865
PARTS CONNECTED TO THE SCU (for YZF-R1M)
The following parts are connected to the SCU.
When checking for a power short circuit, the couplers must be disconnected from all of the following
parts beforehand.
• Front fork stepping motor (left)
• Front fork stepping motor (right)
• Rear shock absorber assembly stepping motor
(compression damping)
SELF-DIAGNOSTIC FUNCTION
1
• O sensor 1 (left side)
2
• Fuel pump
• Auxiliary light
• O sensor 2 (right side)
2
• Hydraulic unit assembly (ABS ECU)
• Air induction system solenoid
• Throttle servo motor
• Relay unit
• Starter relay
• Radiator fan motor relay
• Meter assembly
• Steering damper solenoid
• EXUP servo motor
• Cylinder identification sensor
• Intake funnel servo motor
• Intake solenoid
• Headlight control unit
• Handlebar switch (left and right)
• IMU (Inertial Measurement Unit)
• SCU (Suspension Control Unit) (YZF-R1M)
• CCU (Communication Control Unit) (YZF-R1M)
• Sub radiator fan motor
• Auxiliary DC connector
• Sidestand switch
9-3