Yamaha 2014 MT-07 Service Manual page 519

Fault code No. 55
Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Defective hydraulic unit assembly
Fault code No. 56
Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Defective hydraulic unit assembly
Fault code No. 63
Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Short circuit in the wire harness between
the front wheel sensor and the hydraulic
unit assembly
ABS (ANTI-LOCK BRAKE SYSTEM)
55
Hydraulic unit assembly (defective ABS ECU)
Abnormal data is detected in the hydraulic unit assembly.
Check or maintenance job
Replace the hydraulic unit assembly.
Refer to "ABS (ANTI-LOCK BRAKE SYSTEM)" on page
4-62.
56
Hydraulic unit assembly (abnormal internal power supply)
Abnormality is detected in the power supply circuit in the hydraulic
unit assembly.
Check or maintenance job
Replace the hydraulic unit assembly.
Refer to "ABS (ANTI-LOCK BRAKE SYSTEM)" on page
4-62.
63
Front wheel sensor power supply (voltage of power supply is low)
Power voltage supplied from the ABS ECU to the front wheel sensor is
too low.
Check or maintenance job
• Check that there is no short circuit between the white
terminal "1" and the black terminal "2".
• Check that there is no short circuit between the black
terminal "3" and the white terminal "1".
• If there is a short circuit, the wire harness is defective.
Replace the wire harness.
4. ABS ECU
5. Front wheel sensor
8-114
3
W B B W
R/W G G/R W/Y B
R/L Y G G Br/W L/R L/B B/L B/G
1
2
W Gy
W B
5
4