Yamaha TMAX 2020 Service Manual page 668

EAS20698
51, 52_ABS
EAS33326
TROUBLESHOOTING
Item
• Vehicle system power supply (voltage of ABS ECU power supply is high) (DTC No. 51)
• Vehicle system power supply (voltage of wheel sensor power supply is high) (DTC No. 52)
Procedure
1. Defective battery
• Recharge or replace the battery, and check again.
Refer to "CHECKING AND CHARGING THE BATTERY" on page 8-94.
2. Disconnected battery terminal
• Check the connection.
Is check result OK?
YES
 Go to step 3.
NO
 Replace or reconnect the terminal.
3. Defective charging system
• Check the charging system.
Refer to "CHARGING SYSTEM" on page 8-17.
Is check result OK?
YES
 Replace the hydraulic unit assembly (ABS ECU).
NO
 Confirm the cause of the problem and repair it, and check again.
9-194
51, 52_ABS