Yamaha 2012 TMAX XP500A Service Manual page 479

ABS_17
Fault code No.
ABS_45
Item/components and probable
Order
cause
1 Installed condition of wheel bear-
ings, axle, sensor housing, and
sensor rotor.
2 Foreign material inside sensor
housing.
3 Defective sensor rotor.
ABS_18
Fault code No.
ABS_46
Item/components and probable
Order
cause
1 Installed condition of wheel bear-
ings, axle, sensor housing, and
sensor rotor.
2 Foreign material inside sensor
housing.
3 Defective sensor rotor.
Fault code No. ABS_21
Item/components and probable
Order
cause
1 Open or short circuit in solenoid
circuit.
Fault code No. ABS_22
Item/components and probable
Order
cause
1 Engine startability.
ABS (ANTI-LOCK BRAKE SYSTEM)
Missing pulses detected in the front wheel sen-
Symptom
sor signal.
Check or maintenance job
Check the components for looseness, distortion, and
bends.
Refer to "CHECKING THE FRONT WHEEL" on page
4-20.
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 FRONT WHEEL
SENSOR AND SENSOR ROTOR" on page 4-21.
• Check the surface of the sensor rotor for damage.
• If there is visible damage, replace the sensor rotor.
Missing pulses detected in the rear wheel sensor
Symptom
signal.
Check or maintenance job
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.
Hydraulic unit solenoid circuit is open or short-
Symptom
circuited.
Check or maintenance job
Replace the hydraulic unit assembly.
Start switch signal is not received properly (start
Symptom
switch circuit or start switch monitor circuit).
Check or maintenance job
Check the electric starting system.
Refer to "ELECTRIC STARTING SYSTEM" on page
8-5.
8-104