Yamaha 2012 TMAX XP500A Service Manual page 476

ABS_13
Fault code No.
ABS_26
Item/components and probable
Order
cause
4 Defective sensor rotor.
5 Hydraulic unit assembly internal
malfunction.
TIP
Vehicle possibly ridden on uneven roads.
ABS_14
Fault code No.
ABS_27
Item/components and probable
Order
cause
1 Installed condition of wheel sensor. Check for looseness. Repair or replace the wheel
2 Installed condition of wheel bear-
ings, axle, sensor housing, and
sensor rotor.
3 Foreign material inside sensor
housing.
4 Defective sensor rotor.
5 Hydraulic unit assembly internal
malfunction.
TIP
Vehicle possibly ridden on uneven roads.
ABS (ANTI-LOCK BRAKE SYSTEM)
Incorrect signal from the front wheel sensor is
Symptom
detected.
Check or maintenance job
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 4-21.
Replace the hydraulic unit assembly.
Incorrect signal from the rear wheel sensor is
Symptom
detected.
Check or maintenance job
sensor if necessary.
Check the components for looseness, distortion, and
bends.
Refer to "CHECKING THE REAR WHEEL" on page
4-32.
Check the interior of the sensor housing and the sur-
face 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 4-33.
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 4-33.
Replace the hydraulic unit assembly.
8-101