NOTE
Use a fully charged battery when conducting self-diagnosis. Otherwise, the light (LED) and symbol do not light or blink.

When a problem occurs with DFI system and ignition system, the warning indicator light (LED) [A] goes on and FI warning symbol [B] are displayed on the LCD (Liquid Crystal Display) to alert the rider.
For models equipped with S-KTRC system, the warning indicator light (LED) [C] goes on and S-KTRC symbols [D] are alternately displayed on the LCD, when a problem occurs in the system.


The service code of the KIBS and ABS adds “b” at the left side of the code.
The service code of the ESD adds “E” at the left side of the code.

When the service code is displayed on the LCD, push the upper button and lower buttons for more than two seconds.
The display will return to the odometer.
When the ignition switch is turned to OFF.
Self-Diagnosis Flow Chart

Self-Diagnosis Outline
Service Code ReadingAir Suction Valve Inspection
Remove the air suction valve (see Air Suction Valve Removal).
Visually inspect the reeds [A] for cracks, folds, warps,
heat damage or other damage.
If there is any doubt as to the condition of the reeds, replace
the air suction valve as an assembly.
Check the reed contact areas [B] of ...
Ignition System
WARNINGThe ignition system produces extremely
high voltage.
Do not touch the spark plug, ignition coil or ignition
coil lead while the engine is running, or you
could receive a severe electrical shock.
NOTICE
Do not disconnect the battery cables or any other
electrical ...
Fuel Pump Operating Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove:
Fuel Tank Bolts (see Fuel Tank Removal)
Fuel Tank Bracket Bolts (see Fuel Tank Removal)
Disconnect the fuel pump lead connector and connect the
harness adapter [A] between these connectors as shown
i ...