Operation Manual

ABS (ANTI-LOCK BRAKE SYSTEM)
8-112
2 Connections
• ABS ECU coupler
• Starter relay coupler
• Check the coupler for any pins that may be pulled
out.
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect the
coupler securely.
TIP
Set the main switch to “OFF” before disconnecting or
connecting a coupler.
3 Open or short circuit in wire har-
ness.
• Repair or 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–Red)
• Between ABS ECU coupler and ABS motor fuse.
(Red/blue–Red/blue)
4 Charging system Check the charging system.
Refer to “CHARGING SYSTEM” on page 8-11.
Fault code No. ABS_56 Symptom
Hydraulic unit sensor power monitor circuit is
abnormal.
Order
Item/components and probable
cause
Check or maintenance job
1 Defective internal monitor circuit
(sensor power).
Replace the hydraulic unit assembly.
Fault code No. ABS_63 Symptom Front wheel sensor power is abnormal.
Order
Item/components and probable
cause
Check or maintenance job
1 Short circuit in wire harness. • 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 defec-
tive. Properly repair or replace the wire harness.
TIP
Disconnect the ABS ECU coupler before checking
the wire harness.
Fault code No. ABS_54 Symptom Power voltage is too low.
Order
Item/components and probable
cause
Check or maintenance job