Ignition system diagram
Refer to “wire color symbols” in section 0a .

Ignition system components location
Refer to “electrical components location” in section 0a .
Drive mode selector descriptionDTC “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 ...
Excva removal and installation
Removal
Turn the ignition switch off.
Remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Connect the special tool (mode select switch) to the dealer mode
coupler. Refer to “self-diagnostic procedures” in section 1a .
After tur ...
Know your limits
Always ride within the boundaries
of your own skills. Knowing these
limits and staying within them will
help you avoid accidents.
A major cause of accidents involving
only a motorcycle (and no
cars) is going too fast through a
turn. Before entering a turn, select
an appropriately low corne ...