Yamaha 2013 FJR1300AS Service Manual page 616

Fault code No. ABS_13
ABS_26
Order Item/components and probable
cause
1 Installed condition of wheel sensor.
2 Installed condition of wheel bearings,
axle, sensor housing, and sensor ro-
tor.
3 Foreign material inside sensor hous-
ing.
4 Defective sensor rotor.
5 Hydraulic unit assembly internal mal-
function.
TIP
Vehicle possibly ridden on uneven roads.
Fault code No. ABS_14
ABS_27
Order Item/components and probable
cause
1 Installed condition of wheel sensor.
2 Installed condition of wheel bearings,
axle, sensor housing, and sensor ro-
tor.
3 Foreign material inside sensor hous-
ing.
4 Defective sensor rotor.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Incorrect signal from the front wheel sensor is
detected.
Check or maintenance job
Check for looseness. Properly install or replace the
wheel sensor if necessary.
Check the components for looseness, distortion,
and bends.
Refer to "CHECKING THE FRONT WHEEL" on
page 4-25.
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 4-26.
Check the surface of the sensor rotor for damage.
If there is visible damage, replace the sensor rotor.
Refer to "MAINTENANCE OF THE FRONT
WHEEL SENSOR AND SENSOR ROTOR" on
page 4-26.
Replace the hydraulic unit assembly.
Symptom Incorrect signal from the rear wheel sensor is
detected.
Check or maintenance job
Check for looseness. Properly install or replace the
wheel sensor if necessary.
Check the components for looseness, distortion,
and bends.
Refer to "CHECKING THE REAR WHEEL" on page
4-34.
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 4-34.
Check the surface of the sensor rotor for damage.
If there is visible damage, replace the sensor rotor.
Refer to "MAINTENANCE OF THE REAR WHEEL
SENSOR AND SENSOR ROTOR" on page 4-34.
8-145