Yamaha R15 2022 Service Manual page 199

5. Connect the Yamaha diagnostic tool.
Refer to "YAMAHA DIAGNOSTIC TOOL" on
page 8-32.
Yamaha diagnostic tool
INS-018
90890-03267
INS-019
90890-03264
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.
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.
ABS (ANTI-LOCK BRAKE SYSTEM)
2
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.
1
TIP
"ON" and "OFF" on the tool screen indicate
when the brakes are being applied and released
respectively.
ECA18280
• Check that the pulse is felt in the brake le-
ver, brake pedal, and again in the brake le-
ver, in this order.
• If the pulse is felt in the brake pedal before
it is felt in the brake lever, check that the
brake hoses and brake pipes are connected
correctly to the hydraulic unit assembly.
• If the pulse is hardly felt in either the brake
lever or brake pedal, check that the brake
hoses and brake pipes are connected cor-
rectly to the hydraulic unit assembly.
10.If the operation of the hydraulic unit is normal,
delete all of the fault codes.
ABS reaction-force confirmation
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
4-54
CHAS
3
2