Yamaha MT-09 2021 - Page 188

4-55
ABS (ANTI-LOCK BRAKE SYSTEM)
4. Check:
• Battery voltage
Lower than 12.8 V → Charge or replace the
battery.
TIP
If the battery voltage is lower than 12.8 V, charge
the battery, and then perform ABS reaction-
force confirmation.
5. Removing the protective cap, and then con-
nect the YDT to the YDT coupler (6P).
TIP
• Yamaha diagnostic tool (A/I) (90890-03264) in-
cludes YDT sub harness (6P) (90890-03266).
• If you already have Yamaha diagnostic tool
(A/I) (90890-03262), YDT sub harness (6P)
(90890-03266) is separately required.
Refer to “YDT” on page 9-3.
6. Start the YDT and display the diagnosis of
function screen.
7. Select code No. 1, “ABS reaction-force con-
firmation”.
8. Click “Actuator Check”, and then operate the
brake lever “1” and brake pedal “2” simulta-
neously.
TIP
• 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. A reaction-force pulsating action is generated
in the brake lever “1” and continues for a few
seconds.
TIP
• The reaction-force pulsating action consists of
quick pulses.
• Be sure to continue operating the brake lever
and brake pedal even after the pulsating action
has stopped.
• “ON” and “OFF” on the tool screen indicate
when the brakes are being applied and re-
leased respectively.
10.After the pulsating action has stopped in the
brake lever, it is generated in the brake pedal
“1” and continues for a few seconds.
TIP
• The reaction-force pulsating action consists of
quick pulses.
• Be sure to continue operating the brake lever
and brake pedal even after the pulsating action
has stopped.
• “ON” and “OFF” on the tool screen indicate
when the brakes are being applied and re-
leased respectively.
Battery voltage
Higher than 12.8 V
Yamaha diagnostic tool USB
90890-03267
Yamaha diagnostic tool (A/I)
90890-03264
1
2
G088909
1
G088913