Yamaha R1 Series 2015, Service Manual

Page: 628 / 704

ABS (Anti-lock Brake System)
8-147
Fault code No. 57
Fault code No. 62
Fault code No. 57
Item Vehicle CAN communication line or power source of vehicle system
Symptom
Short-circuit in CAN communication line or the voltage that sup-
plies the hydraulic unit assembly is too low.
Order Item/components and probable cause Check or maintenance job
1 Short-circuit in CAN communication line Replace if there is an open or short circuit.
• Between ABS ECU coupler and joint coupler.
(blue/white–blue/white)
(blue/black–black/blue)
• Between joint coupler and ECU coupler.
(blue/white–blue/white)
(blue/black–black/blue)
2 Defective battery Recharge or replace the battery.
Refer to “CHECKING AND CHARGING THE BATTERY”
on page 8-181.
3 Defective coupler between the battery
and the hydraulic unit assembly
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect the cou-
pler securely.
TIP
Turn the main switch to “OFF” before disconnecting or
connecting a coupler.
4 Open or short circuit in the wire harness
between the battery and the hydraulic unit
assembly
Replace if there is an open or short circuit.
•
Between ABS ECU coupler and starter relay coupler
(ABS motor fuse).
(red/white–red/white)
•
Between ABS ECU coupler and ABS solenoid fuse.
(blue/white–blue/white)
5 Defective charging system Check the charging system.
Refer to “CHARGING SYSTEM” on page 8-17.
Fault code No. 62
Item Power supply voltage failure in pressure sensor
Symptom
Abnormality detected in pressure sensor power source circuit of
hydraulic unit assembly.
Order Item/components and probable cause Check or maintenance job
1 Defective hydraulic unit assembly Replace the hydraulic unit assembly.
Refer to “ABS (Anti-lock Brake System)” on page 4-65.