Yamaha FJR1300A(D) - Page 605

ABS (ANTI-LOCK BRAKE SYSTEM)
8-156
Fault code No. ABS_63 Symptom Front wheel sensor power is abnormal.
Order Item/components and probable
cause
Check or maintenance job
1 Short circuit in wire harness. • 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
frame ground and the black terminal “2”.
• If there is a short circuit, the wire harness is de-
fective. Replace the wire harness.
TIP
Disconnect the ABS ECU coupler before checking
the wire harness.
2 Short circuit in front wheel sensor
lead.
• Check that there is no short circuit between the
white terminal “3” and the gray terminal “4”.
• Check that there is no short circuit between the
frame ground and the white terminal “3”.
• If there is a short circuit, the front wheel sensor is
defective. Replace the front wheel sensor.
5. ABS ECU
6. Front wheel sensor
3 Hydraulic unit internal malfunction. Replace the hydraulic unit assembly.
W Gy
W B
WB G/W L/WW/Y
L/BB/W
Gy W G/R
L/R
Y W/LG/Y Sb Br/W
B/W
B/G
R
R/L
L/Y
2 3 41
65