Yamaha MBK XMAX 2014 Service Manual page 440

Fault code No.
Item
Symptom
Item/components and probable
Order
cause
2 Defective front wheel sensor
3 Defective hydraulic unit assembly
ABS (ANTI-LOCK BRAKE SYSTEM) (for YP250RA)
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
gray terminal "1" and the white terminal "2".
• If there is a short circuit, the wheel sensor is de-
fective. Repair or replace the wheel sensor.
R
R/L B W B W W W/R
G/Y Sb P Br/W G/L G/W B/W
3. ABS ECU
4. Wheel sensor
Replace the hydraulic unit assembly.
Refer to "ABS (ANTI-LOCK BRAKE SYSTEM) (for
YP250RA)" on page 4-62.
8-123
2 1
B
W Gy
B W
W/Y
B/W
4
3