Yamaha FJR13AG Service Manual page 686

Fault code No. ABS_24
Fault code No. ABS_24
Order Item/components and probable cause
1 Brake light operation.
• Defective brake switch and brake light
relays
• Improperly adjusted rear brake light
switch
• Defective front and rear brake light
switches
2 Connections
• ABS ECU coupler
• Brake switch relay coupler
• Brake light relay coupler
• Front brake light switch coupler
• Rear brake light switch coupler
3 Open or short circuit in wire harness.
4 Water inside switch.
Fault code No. ABS_31
Fault code No. ABS_31
Order Item/components and probable cause
1 Battery voltage
2 Blown ABS solenoid fuse.
3 Connections
• ABS ECU coupler
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Brake light signal is not received properly while vehi-
cle is traveling (brake light circuit, or front or rear
brake light switch circuit).
Check or maintenance job
• Check the brake switch and brake light relays.
Refer to "CHECKING THE RELAYS" on page 8-254.
• Check the rear brake light switch for proper adjust-
ment.
Refer to "ADJUSTING THE REAR BRAKE LIGHT
SWITCH" on page 3-31.
• Check the front and rear brake light switches.
Refer to "CHECKING THE SWITCHES" on page
8-247.
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, replace the wire harness it
and connect the coupler securely.
TIP
Turn the main switch to "OFF" before disconnecting or
connecting a coupler.
• Replace if there is an open or short circuit.
• Between ABS ECU coupler and brake light relay cou-
pler.
(yellow–yellow)
• Between rear brake light switch coupler and brake
switch relay coupler.
(green/white–green/white)
• Between front brake light switch coupler and brake
switch relay coupler.
(green/yellow–green/yellow)
• Between brake switch relay coupler and brake light re-
lay coupler.
(light green/black–light green/black)
Use compressed air to blow out the water.
Symptom Solenoid relay is defective.
Power is not supplied to the solenoid relay.
Check or maintenance job
Recharge or replace the battery.
Refer to "CHECKING AND CHARGING THE BATTERY"
on page 8-251.
Check the ABS solenoid fuse. If the ABS solenoid fuse
is blown, replace the fuse and check the wire harness.
Refer to "CHECKING THE FUSES" on page 8-250.
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, replace the wire harness and
connect the coupler securely.
TIP
Turn the main switch to "OFF" before disconnecting or
connecting a coupler.
8-209