4-27
ABS (ANTI-LOCK BRAKE SYSTEM)
4. Check:
• Battery voltage
Lower than 12.8 V Charge or replace the
battery.
If the battery voltage is lower than 12.8 V, charge
the battery, and then perform brake line routing
confirmation.
5. Removing the protective cap “1”, and then
connect the Yamaha diagnostic tool “2” to the
ABS test coupler “3” (4 Pin).
6. Start the Yamaha diagnostic tool and display
the diagnosis mode screen.
7. Select code No. 2, “Brake line routing confir-
mation”.
8. Click “Actuator check” “1”, and then operate
the brake lever “2” and brake pedal “3” simul-
taneously.
• The hydraulic unit operates 1 second after the
brake lever and brake pedal are operated si-
multaneously and continues for approximately
5 seconds.
• The operation of the hydraulic unit can be con-
firmed using the indicator.
On: The hydraulic unit is operating.
Flashing: The conditions for operating the hy-
draulic unit have not been met.
Off: The brake lever and brake pedal are not
being operated.
9. Check:
• Hydraulic unit operation
Click “Actuator check”, a single pulse will be
generated in the brake lever “1”, brake pedal
“2”, and again in the brake lever “1”, in this or-
der.
Battery voltage
Higher than 12.8 V
Yamaha diagnostic tool USB
INS-018
90890-03267
INS-019
90890-03264
B9X-F8197-E0.book Page 27 Thursday, July 16, 2020 2:28 PM
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