Yamaha VMAX 2009 Service Manual page 551

Fault code No. ABS-54
Order Item/components and probable
cause
1 Battery voltage
2 Connections
• ABS ECU coupler
• Starter relay coupler
3 Open or short circuit in wire harness.
4 Charging system
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom
Check or maintenance job
Recharge or replace the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 3-34.
• 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 se-
curely.
TIP
Turn the main switch to "OFF" be-
fore disconnecting or connecting
a coupler.
• Repair or replace if there is an
open or short circuit.
• Between ABS ECU coupler and
ABS ECU fuse.
(red/blue–red/blue)
• Between ABS ECU coupler and
ABS solenoid fuse.
(brown/red–brown/red)
• Between ABS ECU coupler and
starter relay coupler.
(brown–brown)
Check the charging system.
Refer to "CHARGING SYSTEM"
on page 8-13.
8-118
Power voltage is too low.
Reinstatement
confirmation
method
• Turn the main
switch to "ON"
and check
that the ABS
warning light
comes on for
2 seconds,
then goes off.
• Perform a tri-
al run and
check that the
ABS warning
light does not
come on.