ABS (ANTI-LOCK BRAKE SYSTEM)
8-146
2 Connections
• Starter relay coupler
• ABS ECU coupler
• Right handlebar switch coupler
• 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.
Turn the main switch to “OFF” before disconnecting
or connecting a coupler.
3 Open or short circuit in wire harness. • Replace if there is an open or short circuit.
• Between ABS ECU coupler and joint coupler.
(blue/white–blue/white)
• Between joint coupler and ABS ECU coupler.
(blue/white–blue/white)
• Between ABS ECU coupler and joint coupler.
(white/blue–white/blue)
• Between joint coupler and right handlebar switch
(start/engine stop switch) coupler.
(white/blue–white/blue)
Fault code No. ABS_23 Symptom Brake light signal is not received properly when
main switch is turned to “ON” (brake light cir-
cuit, or front or rear brake light switch circuit).
Order Item/components and probable
cause
Check or maintenance job
1 Brake light operation.
• Burned-out brake light bulb
• Defective brake switch and brake
light relays
• Check the brake light. Repair or replace the
tail/brake light if necessary.
Refer to “CHECKING THE BULBS AND BULB
SOCKETS” on page 8-172.
• Check the brake switch and brake light relays.
Refer to “CHECKING THE RELAYS” on page
8-177.
2 Connections
• ABS ECU coupler
• Brake switch relay coupler
• Brake light relay coupler
• Front brake light switch coupler
• Rear brake light switch coupler
• 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.
Turn the main switch to “OFF” before disconnecting
or connecting a coupler.
Fault code No. ABS_22 Symptom Start switch signal is not received properly
(start switch circuit or start switch monitor cir-
cuit).
Order Item/components and probable
cause
Check or maintenance job
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