6-98
–
+
ELEC
Fault code No. 53
TIP
Turn the main switch to “OFF” before disconnecting or connecting a coupler.
Fault code No. 54
Turn the main switch to “OFF” before disconnecting or connecting a coupler.
Fault code No.
53
Item
Vehicle system power supply (voltage of ABS ECU power supply is
low)
Symptom
Power voltage supplied to the ABS ECU in the hydraulic unit assem-
bly is too low.
Order Item/components and probable cause Check or maintenance job
1
Defective battery
Recharge or replace the battery.
Refer to “CHECKING AND CHARGING THE BATTERY”
in base service manual B97-F8197-E0 on page 7-62.
2
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.
See TIP.
3
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 ABS control unit fuse.
(brown–brown)
4
Defective charging system
Check the charging system.
Refer to “CHARGING SYSTEM” on page 6-10.
Fault code No.
54
Item
Hydraulic unit assembly (defective ABS solenoid and ABS motor
power supply circuits)
Symptom
Abnormality is detected in the solenoid or motor power supply circuit
in the hydraulic unit assembly.
Order Item/components and probable cause Check or maintenance job
1
Defective battery
Recharge or replace the battery.
Refer to “CHECKING AND CHARGING THE BATTERY”
in base service manual B97-F8197-E0 on page 7-62.
2
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.
See TIP.
3
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 ABS motor fuse.
(red/blue–red/blue)
• Between ABS ECU coupler and ABS solenoid fuse.
(red–red)
B9X-F8197-E0.book Page 98 Thursday, July 16, 2020 2:28 PM
Summary of Contents for FZ 25 2021
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Page 7: ...B9X F8197 E0 book Page 6 Thursday July 16 2020 2 28 PM ...
Page 9: ...GEN INFO B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
Page 35: ...1 26 GEN INFO B9X F8197 E0 book Page 26 Thursday July 16 2020 2 28 PM ...
Page 37: ...SPEC B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
Page 89: ...CHAS B9X F8197 E0 book Page 1 Thursday July 16 2020 2 28 PM ...
Page 121: ...ENG B9X F8197 E0 book Page 1 Thursday July 16 2020 2 28 PM ...
Page 128: ...5 7 ENG B9X F8197 E0 book Page 7 Thursday July 16 2020 2 28 PM ...
Page 238: ...TRBL SHTG B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
Page 243: ...7 5 TRBL SHTG TROUBLESHOOTING B9X F8197 E0 book Page 5 Thursday July 16 2020 2 28 PM ...
Page 245: ...B9X F8197 E0 book Page 1 Thursday July 16 2020 2 28 PM ...
Page 247: ...B9X F8197 E0 87 7 B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...