If the fuel injection indicator displays "fi", showing signs of trouble in the fuel injection system, take your machine to an authorized suzuki dealer. Refer to the "instrument panel:' section for fuel injection system indicator explanation. If the indicator does not display "fi", make sure there is enough fuel in the fuel tank. If the indicator does not display "fi" and there is enough fuel, ignition system should be checked.
Troubleshooting
Ignition system checkDTC “c40” (p0505 / p0506 / p0507): isc
valve circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C40/P0505
The circuit voltage of motor drive is
unusual.
Isc valve circuit open or shorted to ground.
Air passage clogged.
Isc valve is fixed.
Isc valve prese ...
Radiator cap inspection
Inspect the radiator cap in the following procedures:
remove the radiator cap. Refer to “cooling circuit inspection” .
Attach the radiator cap (1) to the radiator tester (2)
as shown.
Slowly apply pressure to the radiator cap.
If the radiator cap does not hold the pre ...
Ignition switch inspection
Inspect the ignition switch in the following procedures:
remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the ignition switch lead wire coupler (1).
Inspect the ignition switch for continuity with a tester.
If ...