Yamaha R1 Series 2015 Service Manual page 626

TIP
After the fault code No. 45 is recorded, fault code No. 43 will be recorded if a certain speed and time
are exceeded.
Fault code No. 44, 46
Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Foreign material adhered around the rear
wheel sensor
2 Incorrect installation of the rear wheel
3 Defective sensor rotor or incorrect instal-
lation of the rotor
4 Defective rear wheel sensor or incorrect
installation of the sensor
TIP
After the fault code No. 46 is recorded, fault code No. 44 will be recorded if a certain speed and time
are exceeded.
Fault code No. 51
Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Defective battery
2 Disconnected battery terminal
3 Defective charging system
44
46
Rear wheel sensor (missing pulses)
Rear wheel sensor signal is not received properly. (Missing pulses
are detected in the signal while the vehicle is traveling.)
Check or maintenance job
Check the surface of the sensor rotor and wheel sensor
for foreign material, such as metal particles.
Clean the sensor rotor and wheel sensor if necessary.
Check the components for looseness, distortion, and
bends.
Refer to "CHECKING THE REAR WHEEL" on page
4-38.
Check the surface of the sensor rotor for damage.
Replace the sensor rotor if there is visible damage.
Refer to "MAINTENANCE OF THE REAR WHEEL
SENSOR AND SENSOR ROTOR" on page 4-40.
Check the wheel sensor for damage and the installed
condition of the sensor. Repair or replace the wheel
sensor if necessary.
Refer to "MAINTENANCE OF THE REAR WHEEL
SENSOR AND SENSOR ROTOR" on page 4-40.
51
Vehicle system power supply (voltage of ABS ECU power supply is
high)
Power voltage supplied to the ABS ECU in the hydraulic unit assem-
bly is too high.
Check or maintenance job
Recharge or replace the battery.
Refer to "CHECKING AND CHARGING THE BATTERY"
on page 8-181.
Check the connection. Replace or reconnect the termi-
nal if necessary.
Check the charging system.
Refer to "CHARGING SYSTEM" on page 8-17.
8-145
ABS (Anti-lock Brake System)