Yamaha FJR13AG, Service Manual

Page: 691 / 784

ABS (ANTI-LOCK BRAKE SYSTEM)
8-214
Fault code No. ABS_43
Fault code No. ABS_44
Fault code No. ABS_51, ABS_52
Fault code No. ABS_43 Symptom Incorrect signal from the front wheel sensor is de-
tected.
Order Item/components and probable cause Check or maintenance job
1 Installed condition of wheel sensor. Check for looseness. Properly install or replace the
wheel sensor if necessary.
2 Installed condition of wheel bearings, ax-
le, sensor housing, and sensor rotor. Check the components for looseness, distortion, and
bends.
Refer to “CHECKING THE FRONT WHEEL” on page
4-32.
3 Foreign material inside sensor housing. Check the interior of the sensor housing and the surface
of the sensor rotor for foreign material, such as metal
particles. Clean the sensor housing and sensor rotor if
necessary.
Refer to “MAINTENANCE OF THE FRONT WHEEL
SENSOR AND SENSOR ROTOR” on page 4-33.
4 Defective sensor rotor. • Check the surface of the sensor rotor for damage.
• If there is visible damage, replace the sensor rotor.
Fault code No. ABS_44 Symptom Incorrect signal from the rear wheel sensor is detect-
ed.
Order Item/components and probable cause Check or maintenance job
1 Installed condition of wheel sensor. Check for looseness. Properly install or replace the
wheel sensor if necessary.
2 Installed condition of wheel bearings, ax-
le, sensor housing, and sensor rotor. Check the components for looseness, distortion, and
bends.
Refer to “CHECKING THE REAR WHEEL” on page
4-42.
3 Foreign material inside sensor housing. Check the interior of the sensor housing and the surface
of the sensor rotor for foreign material, such as metal
particles. Clean the sensor housing and sensor rotor if
necessary.
Refer to “MAINTENANCE OF THE REAR WHEEL
SENSOR AND SENSOR ROTOR” on page 4-42.
4 Defective sensor rotor. • Check the surface of the sensor rotor for damage.
• If there is visible damage, replace the sensor rotor.
Fault code No. ABS_51
ABS_52 Symptom Power voltage is too high.
Order Item/components and probable cause Check or maintenance job
1 Battery voltage Replace the battery.
Refer to “CHECKING AND CHARGING THE BATTERY”
on page 8-251.
2 Disconnected battery terminal (fault code
No. ABS_52). Check the connection. Replace or reconnect the termi-
nal if necessary.
3 Charging system Check the charging system.
Refer to “CHARGING SYSTEM” on page 8-17.