Yamaha R15 2022 Service Manual page 445

SELF-DIAGNOSTIC FUNCTION TABLE (FOR ABS (Anti-lock Brake System))
TIP
For details of the fault code, refer to "BASIC INSTRUCTIONS FOR TROUBLESHOOTING" on page
8-105.
Fault code
Item
No.
11* Front wheel sensor
25* (intermittent pulses
or no pulses)
12 Rear wheel sensor
(intermittent pulses
or no pulses)
13* Front wheel sensor
26* (abnormal pulse pe-
riod)
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom
Front wheel sensor
signal is not re-
ceived properly.
(Pulses are not re-
ceived or are re-
ceived intermittently
while the vehicle is
traveling.)
Rear wheel sensor
signal is not re-
ceived properly.
(Pulses are not re-
ceived or are re-
ceived intermittently
while the vehicle is
traveling.)
Front wheel sensor
signal is not re-
ceived properly.
(The pulse period is
abnormal while the
vehicle is traveling.)
Check point
• Foreign material
adhered around
the front wheel
sensor
• Incorrect installa-
tion of the front
wheel
• Defective sensor
rotor or incorrect
installation of the
rotor
• Defective front
wheel sensor or in-
correct installation
of the sensor
• Foreign material
adhered around
the rear wheel
sensor
• Incorrect installa-
tion of the rear
wheel
• Defective sensor
rotor or incorrect
installation of the
rotor
• Defective rear
wheel sensor or in-
correct installation
of the sensor
• Foreign material
adhered around
the front wheel
sensor
• Incorrect installa-
tion of the front
wheel
• Defective sensor
rotor or incorrect
installation of the
rotor
• Defective front
wheel sensor or in-
correct installation
of the sensor
8-112
ELEC –
Fail-safe system
Diag-
Start- Driving
nostic
ing the the ve-
code
engine hicle
Able Able —
Able Able —
Able Able —
+