Fault Code No. 54; Fault Code No. 55; Fault Code No. 56 - Yamaha TMAX XP530E-A 2017 Service Manual

Fault code No. 54

TIP
Push the OFF/LOCK switch before disconnecting or connecting a coupler.
Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Defective battery
2 Defective coupler between the battery
and the hydraulic unit assembly
3 Open or short circuit in the wire harness
between the battery and the hydraulic unit
assembly
4 Defective charging system
5 Defective hydraulic unit assembly

Fault code No. 55

Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Defective hydraulic unit assembly

Fault code No. 56

Fault code No.
Item
Symptom
Order Item/components and probable cause
1 Defective hydraulic unit assembly
54
Hydraulic unit assembly (defective ABS solenoid and ABS motor
power supply circuits)
Abnormality is detected in the solenoid or motor power supply cir-
cuit in the hydraulic unit assembly.
Check or maintenance job
Recharge or replace the battery.
Refer to "CHECKING AND CHARGING THE BATTERY"
on page 8-230.
• 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.
See TIP.
• Replace if there is an open or short circuit.
• Between ABS ECU coupler and ABS motor fuse.
(Red/Blue–Red/Blue)
• Between ABS ECU coupler and ABS solenoid fuse.
(Red/White–Red/White)
Check the charging system.
Refer to "CHARGING SYSTEM" on page 8-19.
If the above items were performed and no malfunctions
were found, replace the hydraulic unit assembly.
Refer to "ABS (Anti-lock Brake System)" on page 4-71.
55
Hydraulic unit assembly (defective ABS ECU)
Abnormal data is detected in the hydraulic unit assembly.
Check or maintenance job
Replace the hydraulic unit assembly.
Refer to "ABS (Anti-lock Brake System)" on page 4-71.
56
Hydraulic unit assembly (abnormal internal power supply)
Abnormality is detected in the power supply circuit in the hydraulic
unit assembly.
Check or maintenance job
Replace the hydraulic unit assembly.
Refer to "ABS (Anti-lock Brake System)" on page 4-71.
8-188
ABS (Anti-lock Brake System)