Yamaha R15 2022 Service Manual page 456

Fault code No.
Item
Symptom
Order Item/components and probable cause
2 Open or short circuit in the wire harness
between the front wheel sensor and the
hydraulic unit assembly
3 Defective front wheel sensor or hydraulic
unit assembly
ABS (ANTI-LOCK BRAKE SYSTEM)
15
Front wheel sensor (open or short circuit)
Open or short circuit is detected in the front wheel sensor.
Check or maintenance job
• Check for continuity between the green terminal "1"
and the green terminal "4" and between the red termi-
nal "2" and the red terminal "5".
• If there is no continuity, the wire harness is defective.
Replace the wire harness.
• Check that there is no short circuit between the green
terminal "1" and the red terminal "2" and between the
green terminal "4" and the red terminal "5".
• If there is short circuit, the wire harness is defective.
Replace the wire harness.
• Check that there is no short circuit between the black/
white terminal "3" and the green terminal "4" and be-
tween the black/white terminal "3" and the red terminal
"5".
• If there is short circuit, the wire harness is defective.
Replace the wire harness.
1 2
G R Br
R
R/L Gy
6. ABS ECU
7. Front wheel sensor
If the above items were performed and no malfunctions
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 4-13 and "ABS (AN-
TI-LOCK BRAKE SYSTEM)" on page 8-101.
8-123
ELEC
3
4
5
Y W W/L W/B
B/W
G R W
Br/W L/R L/B B/W B
6
– +
B
7