Yamaha XT1200Z 2010 Service Manual page 565

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Fault code No. 34
Order Item/components and probable
cause
1 Short circuit in ABS motor relay.
Fault code No. 41
Order Item/components and probable
cause
1 Rotation of wheel
2 Brake master cylinder and brake cali-
pers
3 Brake fluid
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ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Hydraulic unit ABS motor is short-circuited.
Check or maintenance job
Replace the hydraulic unit as-
sembly.
Symptom Front wheel will not recover from the locking
tendency even though the signal is continuous-
ly transmitted from the ABS ECU to release the
hydraulic pressure (when the battery voltage is
normal).
Check or maintenance job
• Check that there is no brake
disc drag on the front wheel and
make sure that it rotates
smoothly.
• Check the front wheel axle for
loose bearings and bends, and
the brake discs for distortion.
Refer to "CHECKING THE
FRONT WHEEL" on page 4-23
and "CHECKING THE FRONT
BRAKE DISCS" on page 4-44.
• Check that the hydraulic pres-
sure is correctly transmitted to
the brake calipers when the
brake lever is operated and that
the pressure decreases when
the lever is released.
• Visually check the brake fluid in
the brake master cylinder reser-
voir for water, foreign materials,
solidification, and contamina-
tion.
• Check for air in the brake lines.
8-116
Reinstatement
confirmation
method
• 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.
Reinstatement
confirmation
method
Perform hy-
draulic unit op-
eration test 1
and check that
the operation of
the hydraulic
unit is normal.