Yamaha XVS950CU 2014, Service Manual

Page: 522 / 580

ABS (ANTI-LOCK BRAKE SYSTEM) (for ABS models)
7-131
2 Open or short circuit in the wire har-
ness between the front wheel sensor
and the hydraulic unit assembly • Check for continuity between the blue terminal “1”
and the blue terminal “4” and between the green
terminal “2” and the green terminal “5”.
• If there is no continuity, the wire harness is defec-
tive. Replace the wire harness.
• Check that there is no short circuit between the
blue terminal “1” and the green terminal “2” and
between the blue terminal “4” and the green ter-
minal “5”.
• If there is short circuit, the wire harness is defec-
tive. Replace the wire harness.
• Check that there is no short circuit between the
black/yellow terminal “3” and the blue terminal “4”
and between the black/yellow terminal “3” and the
green terminal “5”.
• If there is short circuit, the wire harness is defec-
tive. Replace the wire harness.
6. ABS ECU
7. Wheel sensor
3 Defective front wheel sensor or hy-
draulic unit assembly If the above items were performed and no malfunc-
tions were found, the wheel sensor or hydraulic unit
assembly is defective. Replace the wheel sensor or
hydraulic unit assembly.
Refer to “FRONT WHEEL” on page 4-10 and “ABS
(ANTI-LOCK BRAKE SYSTEM) (for ABS models)”
on page 4-61.
Fault code No. 15
Item Front wheel sensor (open or short circuit)
Symptom Open or short circuit is detected in the front wheel sensor.
Order
Item/components and probable
cause
Check or maintenance job
R
Sb R / B
G
Y P
B
L W
Br / W L / R L / B B / Y B / W
W / R W / L G / B W / Y
W Gy G L
1
2 3 4
7
5
6