Yamaha 2012 TMAX XP500A Service Manual page 474

Fault
code No.
ABS_53 Power voltage is too low.
ABS_54 Power voltage is too low.
Hydraulic unit sensor power monitor cir-
ABS_56
cuit is abnormal.
ABS_63 Front wheel sensor power is abnormal.
ABS_64 Rear wheel sensor power is abnormal.
* A fault code is indicated if the rear wheel rotates for longer than about 20 seconds (fault code No.
ABS_11) or for longer than about 2 seconds (fault code No. ABS_25) with the front wheel stopped
(e.g., when the vehicle is on the suitable stand).
TIP
Fault codes Nos. ABS_15 (front wheel) and ABS_16 (rear wheel) are indicated if a defective con-
nection is detected in the front or rear wheel sensor when the vehicle is not being ridden.
ABS_11
Fault code No.
ABS_25
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.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom
Front wheel sensor signal is not received prop-
Symptom
erly.
Check or maintenance job
sensor if necessary.
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.
8-99
Check point
• Battery voltage
• Connection of the ABS ECU coupler
• Wire harness
• Refer to "CHARGING SYSTEM" on page 8-
11.
• Battery voltage
• Connection of the ABS ECU coupler and
starter relay coupler
• Wire harness
• Refer to "CHARGING SYSTEM" on page 8-
11.
• Hydraulic unit assembly
• Front wheel sensor lead
• Wire harness
• Hydraulic unit assembly
• Rear wheel sensor lead
• Wire harness
• Hydraulic unit assembly