The Output Fluid Pressure Sensor is built in the KIBS Hydraulic Unit. Therefore the sensor cannot be checked directly.
If this service code appears even if all checks are ended, replace the KIBS hydraulic unit.
CAN Communication (Transmission)/CAN Bus OFF Monitor Inspection (Service Code
b 57) CAN Communication (Reception) Monitor Inspection (Service Code b 58)
Output Fluid Pressure Sensor (Front Brake) Offset Abnormal (Service Code b
84)Drive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation
in the Final Drive chapter).
Rotate the rear wheel to inspect the drive chain for damaged
rollers, and loose pins and links
If there is any irregularity, replace the drive chain.
Lubricate the drive chain if it appears dry.
...
Tire Air Pressure Inspection
Remove the air valve cap.
Measure the tire air pressure with an air pressure gauge
[A] when the tires are cold (that is, when the motorcycle
has not been ridden more than a mile during the past 3
hours).
Install the air valve cap.
Adjust the tire air pressure according to the specifi ...
Relay Circuit Inspection
Remove the relay box (see Relay Box Removal).
Check conductivity of the following numbered terminals
by connecting the hand tester and one 12 V battery to the
relay box as shown in the figure (see Relay Box Internal
Circuit in this section).
If the tester does not read as specified, re ...