ABS (ANTI-LOCK BRAKE SYSTEM)
8-148
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_31 Symptom Solenoid relay is defective.
Power is not supplied to the solenoid relay.
Order Item/components and probable
cause
Check or maintenance job
1 Battery voltage Recharge or replace the battery.
Refer to “CHECKING AND CHARGING THE BAT-
TERY” on page 8-174.
2 Blown ABS solenoid fuse. Check the ABS solenoid fuse. If the ABS solenoid
fuse is blown, replace the fuse and check the wire
harness.
Refer to “CHECKING THE FUSES” on page 8-173.
3 Connections
• ABS ECU 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.
4 Open or short circuit in wire harness. • Replace if there is an open or short circuit.
• Between ABS ECU coupler and ABS solenoid
fuse.
(red/white–red/white)
5 Hydraulic unit assembly internal mal-
function.
Replace the hydraulic unit assembly.
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
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