Yamaha MBK X-MAX 300 2017, Service Manual

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ABS (ANTI-LOCK BRAKE SYSTEM)
8-99
Fault code No. 17, 45
TIP
If pulse gaps are detected when the vehicle is traveling at a speed of 30 km/h (19 mi/h) or more, fault
code No. 17 will be recorded. If the vehicle is traveling at a speed of 29 km/h (18 mi/h) or less, fault code
No. 45 will be recorded first and fault code No. 17 will be recorded if the condition continues.
Fault code No. 18, 46
TIP
If pulse gaps are detected when the vehicle is traveling at a speed of 30 km/h (19 mi/h) or more, fault
code No. 18 will be recorded. If the vehicle is traveling at a speed of 29 km/h (18 mi/h) or less, fault code
No. 46 will be recorded first and fault code No. 18 will be recorded if the condition continues.
Fault code No.
17
45
Item Front wheel sensor (missing pulses)
Symptom
Front wheel sensor signal is not received properly. (Missing pulses
are detected in the signal while the vehicle is traveling.)
Order Item/components and probable cause Check or maintenance job
1 Foreign material adhered around the front
wheel sensor 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.
2 Incorrect installation of the front wheel Check the components for looseness, distortion, and
bends.
Refer to “CHECKING THE FRONT WHEEL” on page
4-29.
3 Defective sensor rotor or incorrect instal-
lation of the rotor Check the surface of the sensor rotor for damage.
Replace the sensor rotor if there is visible damage.
Refer to “MAINTENANCE OF THE FRONT WHEEL
SENSOR AND SENSOR ROTOR” on page 4-30.
4 Defective front wheel sensor or incorrect
installation of the sensor 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 FRONT WHEEL
SENSOR AND SENSOR ROTOR” on page 4-30.
Fault code No.
18
46
Item Rear wheel sensor (missing pulses)
Symptom
Rear wheel sensor signal is not received properly. (Missing pulses are
detected in the signal while the vehicle is traveling.)
Order Item/components and probable cause Check or maintenance job
1 Foreign material adhered around the rear
wheel sensor 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.
2 Incorrect installation of the rear wheel Check the components for looseness, distortion, and
bends.
Refer to “CHECKING THE REAR WHEEL” on page
4-35.