Yamaha 2006 FJR1300A Service Manual page 20

3. At high speed
4. At low speed
5. Wheel sensor rotor
ABS warning light
The ABS warning light "1" comes on to warn the rider if a malfunction in the ABS occurs.
When the main switch is turned to "ON", the ABS warning light comes on for 2 seconds, then goes off,
so that the rider can check if the ABS warning light is disconnected and check if the ABS is operating
properly.
EC3P61009
CAUTION:
If the rear wheel is raced with the vehicle on the centerstand, the ABS warning light may flash
or come on. If this occurs, turn the main switch to "OFF", then back to "ON". The ABS operation
is normal if the ABS warning light comes on for 2 seconds, then goes off.
Hydraulic unit
The hydraulic unit "1" is composed of three hydraulic control valves (each with a solenoid valve and flow
control valve), two buffer chambers, two hydraulic pumps, and an ABS motor. The hydraulic unit adjusts
the front and rear wheel brake fluid pressure to control the wheel speed according to signals transmitted
from the ABS ECU.
• Hydraulic control valve
The hydraulic control valve is composed of a flow control valve and solenoid valve.
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6. Wheel sensor
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FEATURES