Yamaha 2012 TMAX XP500A Service Manual page 489

Fault code No. ABS_64
Item/components and probable
Order
cause
2 Short circuit in rear wheel sensor
lead.
3 Hydraulic unit internal malfunction. Replace the hydraulic unit assembly.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Rear wheel sensor power is abnormal.
Check or maintenance job
• Check that there is no short circuit between the
white terminal "3" and the gray terminal "4".
• Check that there is no short circuit between the
frame ground and the white terminal "3".
• If there is a short circuit, the rear wheel sensor is
defective. Properly repair or replace the rear wheel
sensor.
5. ABS ECU
6. Rear wheel sensor
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