Yamaha FJR 1300 AE 2014 Service Manual page 610

Fault code No. ABS_54
Order Item/components and probable
cause
3 Open or short circuit in wire harness.
4 Charging system
Fault code No. ABS_56
Order Item/components and probable
cause
1 Defective internal monitor circuit (sen-
sor power).
Fault code No. ABS_63
Order Item/components and probable
cause
1 Short circuit in wire harness.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Power voltage is too low.
Check or maintenance job
• 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 8-13.
Symptom Hydraulic unit sensor power monitor circuit is
abnormal.
Check or maintenance job
Replace the hydraulic unit assembly.
Symptom Front wheel sensor power is abnormal.
Check or maintenance job
• Check that there is no short circuit between the
white terminal "1" and the black terminal "2".
• Check that there is no short circuit between the
frame ground and the black terminal "2".
• If there is a short circuit, the wire harness is de-
fective. Replace the wire harness.
TIP
Disconnect the ABS ECU coupler before checking
the wire harness.
8-159