Yamaha XP500, Service Manual

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CHAS
ANTI-LOCK BRAKE SYSTEM (XP500A)
6. Set the main switch to “ON” while operating
the brake levers simultaneously.
CAUTION:
_
When the main switch is set to “ON”, be
sure to operate both the brake levers simul-
taneously. If only the brake levers are oper-
ated, set the main switch to “OFF” and start
the procedure again.
7. Check:
• Hydraulic unit operation
When the main switch is set to “ON”, the
ABS warning light comes on for 2 seconds,
goes off for 3 seconds, then starts flashing.
When the ABS warning light starts flashing,
the front brake lever
1
will return to its
home position. The rear brake lever
2
will
then return to its home position, then the
front brake lever will return to its home posi-
tion again.
CAUTION:
_
• Check that the front brake lever returns to
its home position before the rear brake
lever returns to its home position.
• If the rear brake lever returns to its home
position before the front brake lever does,
check that the brake hoses are connected
correctly to the hydraulic unit.
• If either the brake levers returns to its
home position slowly, check that the
brake hoses are connected correctly to
the hydraulic unit.
• If the operation of the hydraulic unit is nor-
mal, delete all of the malfunction codes.
ABS
warning
light
2.0
sec-
onds 0.5
sec-
ond
On
Main switch
Flashing
3.0
sec-
onds 0.5
sec-
ond 0.5
sec-
ond
ABS motor
ON
OFF
1 2
• [D-6-4] Deleting the malfunction codes
1. Connect the test coupler adaptor
1
to the
test coupler
2
. (Refer to “[B-5] ABS mal-
function check using the ABS self-diagnosis
(present malfunction)”.)
2. Set the main switch to “ON”.
The multifunction display indicates previ-
ously recorded malfunction codes.
2
1