If the fuse is good, check the wiring continuity as follows.
Disconnect: Battery Positive Cable (see Battery Removal in the Electrical System chapter) KIBS Hydraulic Unit Lead Connector (see KIBS Hydraulic Unit Removal in the Brakes chapter)

Check the wiring continuity between the positive cable terminal [A] of the battery and R/W lead terminal [B] in the KIBS Hydraulic Unit Lead Connector [C].
If the wiring is open, replace or repair the harness (see KIBS System Circuit in the Brakes chapter).
If the wiring is good, go to next step.

The KIBS motor relay is built in the KIBS Hydraulic Unit.
Therefore the relay cannot be checked directly.
If this service code appears even if all checks are ended, replace the KIBS hydraulic unit.
If the service code does not appear, the KIBS system normal (temporary failure).
Front, Rear Wheel Rotation Difference Abnormal Inspection (Service Code b
25)
Front Wheel Rotation Sensor Signal Abnormal (Service Code b 42)Spark Plugs
The standard spark plug is shown in
the table. The spark plugs should be
replaced in accordance with the Periodic
Maintenance Chart.
Spark plug removal should be done
only by a competent mechanic following
the instructions in the Service Manual.
Spark Plug
A. Plug Gap ...
Shift Pedal Removal
Remove:
Shift Lever Bolt [A]
Front Footpeg Bracket Bolts [B]
If the tie-rod [C] is to be removed from the shift pedal and
the shift lever, loosen the tie-rod locknuts [D].
The front tie-rod locknut is left-hand thread.
Remove:
Shift Pedal Mounting Bolt [A]
...
Air Intake Solenoid Valve (Service Code 2d, Equipped Models)
Air Intake Solenoid Valve Removal/Installation
Refer to the Air Intake Solenoid Valve Removal/Installation
in the Fuel System (DFI) chapter.
Air Intake Solenoid Valve Inspection
Refer to the Air Intake Solenoid Valve Unit Test in the
Electrical System chapter.
If the air intake ...