Yamaha 2012 TMAX XP500A Service Manual page 480

Fault code No. ABS_22
Item/components and probable
Order
cause
2 Connections
• Starter relay coupler
• ABS ECU coupler
• Right handlebar switch coupler
3 Open or short circuit in wire har-
ness.
Fault code No. ABS_24
Item/components and probable
Order
cause
1 Brake light operation.
• Defective tail/brake light
2 Connections
• ABS ECU coupler
• Front brake light switch connec-
tors
• Rear brake light switch connec-
tors
3 Open or short circuit in wire har-
ness.
4 Water inside switch.
ABS (ANTI-LOCK BRAKE SYSTEM)
Start switch signal is not received properly (start
Symptom
switch circuit or start switch monitor circuit).
Check or maintenance job
• 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.
• Repair or replace if there is an open or short circuit.
• Between ABS ECU coupler and starter relay cou-
pler.
(Blue/white–Blue/white)
• Between ABS ECU coupler and right handlebar
switch (start switch) coupler.
(Green/white–Green/white)
Brake light signal is not received properly while
Symptom vehicle is traveling (brake light circuit, or front or
rear brake light switch circuit).
Check or maintenance job
• Check the tail/brake light. Repair or replace the tail/
brake light if necessary.
Refer to "CHECKING THE BULBS AND BULB
SOCKETS" on page 8-126.
• 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.
• Repair or replace if there is an open or short circuit.
• Between rear brake light switch connector and ABS
ECU coupler.
(Green/yellow–Green/yellow)
• Between front brake light switch connector and
ABS ECU coupler.
(Green/yellow–Green/yellow)
Use compressed air to blow out the water.
8-105