ABS (ANTI-LOCK BRAKE SYSTEM)8-143* 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 centerstand).TIPFault code numbers “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_51ABS_52 Power voltage is too high.• Battery voltage• Battery terminal• Refer to “CHARGING SYSTEM” on page8-13.ABS_53 Power voltage is too low.• Battery voltage• Connection of the ABS ECU coupler• Wire harness• Refer to “CHARGING SYSTEM” on page8-13.ABS_54 Power voltage is too low.• Battery voltage• Connection of the ABS ECU coupler andstarter relay coupler• Wire harness• Refer to “CHARGING SYSTEM” on page8-13.ABS_56 Hydraulic unit sensor power monitorcircuit is abnormal. • Hydraulic unit assemblyABS_63 Front wheel sensor power is abnormal.• Front wheel sensor lead• Wire harness• Hydraulic unit assemblyABS_64 Rear wheel sensor power is abnormal.• Rear wheel sensor lead• Wire harness• Hydraulic unit assemblyFaultcode No. Symptom Check point