Yamaha Tenere 700 2020, Service Manual

Page: 433 / 472

ABS (ANTI-LOCK BRAKE SYSTEM)
8-122
Fault code No. 56
Fault code No. 63
Fault code No. 56
Item Hydraulic unit assembly (abnormal internal power supply)
Symptom
Abnormality is detected in the power supply circuit in the hydraulic
unit assembly.
Order Item/components and probable cause Check or maintenance job
1 Defective hydraulic unit assembly Replace the hydraulic unit assembly.
Refer to “ABS (ANTI-LOCK BRAKE SYSTEM)” on page
4-44.
Fault code No. 63
Item Front wheel sensor power supply (voltage of power supply is low)
Symptom
Power voltage supplied from the ABS ECU to the front wheel sensor is
too low.
Order Item/components and probable cause Check or maintenance job
1 Short circuit in the wire harness between
the front wheel sensor and the hydraulic
unit assembly • 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
2 Defective front wheel sensor • Check that there is no short circuit between the white
terminal “1” and the black terminal “2”.
• If there is a short circuit, the wheel sensor is defective.
Repair or replace the wheel sensor.
3. ABS ECU
4. Front wheel sensor
B W B W / Y W G G / R
Y G R / B B / G Br / W
(B)
L / R L / B
B
B / G
R / W
R / L
W B
B W
3 1 2
4 5
B W B W / Y W G G / R
Y G R / B B / G Br / W
(B)
L / R L / B
B
B / G
R / W
R / L
W B
B W
2 1
3 4