Yamaha Tenere 700 2020, Service Manual

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ABS (ANTI-LOCK BRAKE SYSTEM)
8-123
Fault code No. 64
3 Defective ABS ECU Replace the ABS ECU.
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
Fault code No. 64
Item Rear wheel sensor power supply (voltage of power supply is low)
Symptom
Power voltage supplied from the ABS ECU to the rear wheel sensor is
too low.
Order Item/components and probable cause Check or maintenance job
1 Short circuit in the wire harness between
the rear 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. Rear wheel sensor
2 Defective rear wheel sensor • Check that there is no short circuit between the gray
terminal “1” and the white terminal “2”.
• If there is a short circuit, the wheel sensor is defective.
Repair or replace the wheel sensor.
3. ABS ECU
4. Rear 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
1 2
4 5
3
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