Yamaha XSR MTM690 2016 Service Manual page 498

Fault code No.
14* Rear wheel sensor (abnor-
27* mal pulse period)
15 Front wheel sensor (open or
short circuit)
16 Rear wheel sensor (open or
short circuit)
17* Front wheel sensor (missing
45* pulses)
18* Rear wheel sensor (missing
46* pulses)
21 Hydraulic unit assembly (de-
fective solenoid drive circuit)
ABS (ANTI-LOCK BRAKE SYSTEM)
Item
Rear wheel sensor signal is
not received properly. (The
pulse period is abnormal
while the vehicle is traveling.)
Open or short circuit is de-
tected in the front wheel sen-
sor.
Open or short circuit is de-
tected in the rear wheel sen-
sor.
Front wheel sensor signal is
not received properly. (Miss-
ing pulses are detected in
the signal while the vehicle is
traveling.)
Rear wheel sensor signal is
not received properly. (Miss-
ing pulses are detected in
the signal while the vehicle is
traveling.)
Solenoid drive circuit in the
hydraulic unit assembly is
open or short-circuited.
8-127
Symptom
• Foreign material adhered
• Incorrect installation of the
• Defective sensor rotor or
• Defective rear wheel sen-
• Defective coupler between
• Open or short circuit in the
• Defective front wheel sen-
• Defective coupler between
• Open or short circuit in the
• Defective rear wheel sen-
• Foreign material adhered
• Incorrect installation of the
• Defective sensor rotor or
• Defective front wheel sen-
• Foreign material adhered
• Incorrect installation of the
• Defective sensor rotor or
• Defective rear wheel sen-
• Defective hydraulic unit as-
Check point
around the rear wheel sen-
sor
rear wheel
incorrect installation of the
rotor
sor or incorrect installation
of the sensor
the front wheel sensor and
the hydraulic unit assembly
wire harness between the
front wheel sensor and the
hydraulic unit assembly
sor or hydraulic unit as-
sembly
the rear wheel sensor and
the hydraulic unit assembly
wire harness between the
rear wheel sensor and the
hydraulic unit assembly
sor or hydraulic unit as-
sembly
around the front wheel sen-
sor
front wheel
incorrect installation of the
rotor
sor or incorrect installation
of the sensor
around the rear wheel sen-
sor
rear wheel
incorrect installation of the
rotor
sor or incorrect installation
of the sensor
sembly