ABS (ANTI-LOCK BRAKE SYSTEM)
8-147
3 Open or short circuit in wire harness. • Replace if there is an open or short circuit.
• Between ABS ECU coupler and brake light relay
coupler.
(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 relay coupler.
(light green/black–light green/black)
4 Water inside switch. Use compressed air to blow out the water.
Fault code No. ABS_24 Symptom Brake light signal is not received properly while
vehicle is traveling (brake light circuit, or front
or rear brake light switch circuit).
Order Item/components and probable
cause
Check or maintenance job
1 Brake light operation.
• Burned-out tail/brake light bulb
• Defective brake switch and brake
light relays
• Improperly adjusted rear brake light
switch
• Defective front and rear brake light
switches
• 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.
• Check the rear brake light switch for proper ad-
justment.
Refer to “ADJUSTING THE REAR BRAKE
LIGHT SWITCH” on page 3-30.
• Check the front and rear brake light switches.
Refer to “CHECKING THE SWITCHES” on page
8-169.
2 Connections
• ABS ECU coupler
• Brake switch relay coupler
• Brake light relay coupler
• Front brake light switch connectors
• 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
it and connect the coupler securely.
Turn the main switch to “OFF” before disconnecting
or connecting a coupler.
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
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