Yamaha FZ 25 2021, Supplementary Service Manual

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6-102
– +
ELEC
ABS (ANTI-LOCK BRAKE SYSTEM)
EAS31167
[B-3] DELETING THE FAULT CODES
To delete the fault codes, use the Yamaha diagnostic tool. For information about deleting the fault
codes, refer to the operation manual of the Yamaha diagnostic tool.
Check that all the displayed fault codes are deleted.
Connecting the Yamaha diagnostic tool
Remove the protective cap “1”, and then connect the Yamaha diagnostic tool “2” to the ABS Coupler
“3”.
EAS31168
[C-1] FINAL CHECK
Check all the following items to complete the inspection.
If the process is not completed properly, start again from the beginning.
Checking procedures
1. Check the brake fluid level in the brake master cylinder reservoir and brake fluid reservoir.
2. Check the wheel sensors for proper installation.
Refer to “INSTALLING THE FRONT WHEEL” on page 4-9 and “REMOVING THE REAR WHEEL”
on page 4-13.
3. Perform brake line routing confirmation.
Refer to “HYDRAULIC UNIT OPERATION TESTS” on page 4-26.
If it does not have reaction-force properly, the brake hose is not properly routed or connected.
4. Delete the fault codes.
Refer to “[B-3] DELETING THE FAULT CODES” on page 6-102.
5. Checking the ABS warning light.
Check that the ABS warning light goes off.
If ABS warning light does not come on or if it does not goes off, refer to “[A] CHECKING THE ABS
WARNING LIGHT” on page 6-77.
• The problem is not solved.
• Open circuit between the ABS ECU and the meter assembly.

Check for continuity between white/blue terminal of the ABS ECU coupler and white/blue terminal
of the meter assembly coupler.
• Malfunction in the meter assembly circuit.
• Malfunction in the ABS warning light circuit in the hydraulic unit assembly.
Yamaha diagnostic tool USB
NS-018
90890-03267
INS-019
90890-03264
B9X-F8197-E0.book Page 102 Thursday, July 16, 2020 2:28 PM