ELECTRICAL SYSTEM 7-17
IGNITION SYSTEM
TROUBLESHOOTING
Battery
Regulator
/rectifier
Generator
CPU
Wave form
arrangement
circuit
Water
temp.
switch
Neutral
switch
Ignition power
source circuit
DC-DC
converter
Ignition coil
Ignition
switch
Engine
stop
switch
Fuse
Correct
Continued on next page
• Improper coupler connection
• Faulty ignition switch
• Faulty engine stop switch
• Broken wire harness or poor
connection of related circuit
couplers
No spark or poor spark
Check ignition system couplers for poor
connections.
Measure the battery voltage between
input lead wires (B/O and B/W) at the
CDI unit with the ignition switch in the
“ON” position.
Incorrect
Looseness
Make sure the transfer is in the neutral position
and the engine stop switch is in the “RUN” position.
Also, make sure the fuse is not blown and the
battery is fully-charged before diagnosing.
Correct
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