6-18 ELECTRICAL SYSTEM
IGNITION SYSTEM
TROUBLESHOOTING
No spark or poor spark
NOTE:
Check that the engine stop switch, parking brake switch is in the “RUN”, “ON” and “SET” positions. Check
that the fuse is not blown and the battery is fully-charged before diagnosing.
Step 1
1) Check the ignition system couplers for poor connections.
Is there connection in the ignition system couplers?
YES Go to Step 2.
NO Poor connection of couplers.
O
W/B
Ignition
coil
Engine
stop
switch
Spark
plug
Fuse 10A
Battery
Generator
CKP
sensor
CDI unit
W/R B/WB/W
W/R
Br
Br
O/W
O/W
O/W
W/B
B
O
O
O/W
Parking
brake
switch
RR
O
R
O
Ignition
switch
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