Yamaha FJR13AG Service Manual page 681

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, ax-
le, sensor housing, and sensor rotor.
3 Foreign material inside sensor housing.
4 Defective sensor rotor.
5 Hydraulic unit assembly internal malfunc-
tion.
Fault code No. ABS_14, ABS_27
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, ax-
le, sensor housing, and sensor rotor.
3 Foreign material inside sensor housing.
4 Defective sensor rotor.
5 Hydraulic unit assembly internal malfunc-
tion.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Incorrect signal from the front wheel sensor is de-
tected.
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
4-32.
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.
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 4-33.
Replace the hydraulic unit assembly.
Symptom Incorrect signal from the rear wheel sensor is detect-
ed.
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
4-42.
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.
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 4-42.
Replace the hydraulic unit assembly.
8-204