Special tools and equipmentDTC “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 ...
Cushion rod removal and installation
Removal
Remove the right side cowling and side frame covers. Refer to “exterior
parts removal and installation” in section 9d .
Support the motorcycle with a jack to relieve load on
the cushion rod.
Remove the muffler chamber. Refer to “muffler / muffler chamber /
exhaust ...
Starter motor inspection
Refer to “starter motor disassembly and assembly” .
Carbon brush
Inspect the carbon brushes for abnormal wear, cracks or
smoothness in the brush holder.
If either carbon brush is defective, replace the brush
holder set with a new one.
Measure the length “a” of the carbon brushes using a
v ...