Yamaha FJR13AG Service Manual page 692

Fault code No. ABS_53
Fault code No. ABS_53
Order Item/components and probable cause
1 Battery voltage
2 Connections
• ABS ECU coupler
3 Open or short circuit in wire harness.
4 Charging system
Fault code No. ABS_54
Fault code No. ABS_54
Order Item/components and probable cause
1 Battery voltage
2 Connections
• ABS ECU coupler
• Starter relay coupler
3 Open or short circuit in wire harness.
4 Charging system
Fault code No. ABS_56
Fault code No. ABS_56
Order Item/components and probable cause
1 Defective internal monitor circuit (sensor
power).
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Power voltage is too low.
Check or maintenance job
Recharge or replace the battery.
Refer to "CHECKING AND CHARGING THE BATTERY"
on page 8-251.
• 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.
• Replace if there is an open or short circuit.
• Between ABS ECU coupler and ABS ECU fuse.
(brown/white–brown/white)
Check the charging system.
Refer to "CHARGING SYSTEM" on page 8-17.
Symptom Power voltage is too low.
Check or maintenance job
Recharge or replace the battery.
Refer to "CHECKING AND CHARGING THE BATTERY"
on page 8-251.
• 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.
• Replace if there is an open or short circuit.
• Between ABS ECU coupler and ABS ECU fuse.
(brown/white–brown/white)
• Between ABS ECU coupler and ABS solenoid fuse.
(red/white–red/white)
• Between ABS ECU coupler and joint coupler.
(blue/white–blue/white)
• Between joint coupler and starter relay coupler.
(blue/white–blue/white)
Check the charging system.
Refer to "CHARGING SYSTEM" on page 8-17.
Symptom Hydraulic unit sensor power monitor circuit is abnor-
mal.
Check or maintenance job
Replace the hydraulic unit assembly.
8-215