Yamaha 2007 FZ6-NA Service Manual page 468

*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/White
3. ABS motor fuse
*Continuity between: "A"–"B"
4. When the items 1 to 3 are normal, replace the ABS ECU.
Malfunction code 32 (Circuit malfunction of ABS ECU is detected. Upstream side of the sole-
noid relay.)
NOTE:
Check following the steps in sequence.
1. Short-circuit between the battery positive terminal and fail safe relay monitor terminal
• Check the conductivity of the wire harness and repair or replace the failure part.
2. Short-circuit between the battery ignition terminal and fail safe relay monitor terminal
• Check the conductivity of the wire harness and repair or replace the failure part.
ABS (ANTI-LOCK BRAKE SYSTEM)
4. Red/Yellow
5. ABS ECU
8-95