Yamaha FJR1300AS(X) Service Manual page 638

Fault code No. AbS_21
Order Item/components and probable
cause
1 Open or short circuit in solenoid cir-
cuit.
Fault code No. AbS_22
Order Item/components and probable
cause
1 Engine startability.
2 Connections
• Starter relay coupler
• ABS ECU coupler
• Right handlebar switch coupler
• Front cowling wire harness coupler
3 Open or short circuit in wire harness
and front cowling wire harness.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Hydraulic unit solenoid circuit is open or short-
circuited.
Check or maintenance job
Replace the hydraulic unit as-
sembly.
Symptom Start switch signal is not received properly
(start switch circuit or start switch monitor cir-
cuit).
Check or maintenance job
Check the electric starting sys-
tem.
Refer to "ELECTRIC STARTING
SYSTEM" on page 8-13.
• 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.
NOTE:
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
starter relay coupler.
(blue/white–blue/white)
• Between ABS ECU coupler and
right handlebar switch (start
switch) coupler.
(white/blue–white/blue)
8-161
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 hy-
draulic unit
operation test
1 and check
that the oper-
ation of the
hydraulic unit
is normal.
Reinstatement
confirmation
method
• Push the start
switch and
check that the
engine starts.
• Turn the main
switch to "ON"
and check
that the ABS
warning light
comes on for
2 seconds,
then goes off.
• Check that
the ABS
warning light
comes on
while the start
switch is be-
ing pushed.