Yamaha 2008 Fazer FZ1-N Service Manual page 490

1. Front brake light switch
2. Rear brake light switch
3. Green/Yellow
4. Yellow
*Continuity between: "A"–"B"
Malfunction code 25 (At the beginning of running, there is no pulse from the front wheel sen-
sor.)
• Rear wheel was rotated with the vehicle on the stand.
• Rear wheel was wheel-spin.
• Wheel tried.
• Defective installation of the wheel speed sensor for the front wheel.
Malfunction code 28 (Other malfunctions [Malfunction of the memory in ABS ECU].)
1. Other malfunctions
→ Replace the ABS ECU.
Malfunction code 31 (Disconnection is detected between the battery and the ABS ECU sys-
tem.)
NOTE:
Check following the steps in sequence.
1. ABS motor fuse blown
• Replace the ABS motor fuse.
2. Coupler joint between the battery and ABS ECU.
• Connect the coupler securely until a "click" sound is heard.
3. Disconnection of the wire harness between the battery and ABS ECU
• Check the conductivity of the wire harness and repair or replace the failure part.
•
1. Battery
2. Red
3. ABS motor fuse
*Continuity between: "A"–"B"
ABS (ANTI-LOCK BRAKE SYSTEM)
5. Yellow
6. Brake light
7. Yellow
8. ABS ECU
4. Brown
5. ABS ECU
8-121