Yamaha XT1200Z(Z) 2010, Service Manual

Page: 563 / 616

ABS (ANTI-LOCK BRAKE SYSTEM)
8-114
Fault code No. 22 Symptom Start switch signal is not received properly
(start switch circuit or start switch monitor cir-
cuit).
Order Item/components and probable
cause
Check or maintenance job Reinstatement
confirmation
method
1 Engine startability. Check the electric starting sys-
tem.
Refer to “ELECTRIC STARTING
SYSTEM” on page 8-7. • Push the start
switch and
check that the
engine starts.
• Set 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.
2 Connections
• Starter relay coupler
• ABS ECU coupler
• Right handlebar 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, repair it
and connect the coupler se-
curely.
TIP
Set the main switch to “OFF” be-
fore disconnecting or connecting
a coupler.
3 Open or short circuit in wire harness. • 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)
Fault code No. 31 Symptom Solenoid relay is defective.
Power is not supplied to the solenoid relay.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
confirmation
method
1 Battery voltage Recharge or replace the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-142. • Set 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.
2 Short circuit in solenoid relay. Replace the hydraulic unit as-
sembly.
3 Hydraulic unit assembly internal mal-
function. Replace the hydraulic unit as-
sembly.