Fault code No.
Item
3
Connection of sub wire harness
coupler.
Check the locking condition of
the coupler.
Disconnect the coupler, and
check the pins (for bent or bro-
ken terminals and locking condi-
tion of the pins).
4
Wire harness continuity.
5
Mounted condition of ignition
coil.
Check for looseness or pinch-
ing.
Check the mounted condition
for correctness.
6
Defective ignition coil. (test the
primary coils for continuity)
7
Faulty ECU.
8
Delete the fault code.
33
Ignition coil: open or short circuit detected in the primary lead of
the ignition coil.
Improperly connected Con-
nect the coupler securely, or
repair/replace the sub wire har-
ness.
Open or short circuit Replace
the wire harness.
Between ignition coil coupler
and ECU coupler.
orange–orange
red–red
Improperly mounted sensor
Remount or replace the ignition
coil.
Check the primary resistance of
the ignition coil.
Refer to "CHECKING THE
IGNITION COIL" on page 8-47.
Execute the diagnostic mode.
(Code No. 30)
No spark Replace the ECU.
Confirm that the fault code has
a condition of "Recovered"
using the Yamaha diagnostic
tool, and then delete the fault
code.
8-30
FUEL INJECTION SYSTEM
Start the engine and let it idle for
approximately 5 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" Go
to item 8 and finish the service.
Condition is "Detected" Go to
item 4.
Start the engine and let it idle for
approximately 5 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" Go
to item 8 and finish the service.
Condition is "Detected" Go to
item 5.
Start the engine and let it idle for
approximately 5 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" Go
to item 8 and finish the service.
Condition is "Detected" Go to
item 6.
Start the engine and let it idle for
approximately 5 seconds.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" Go
to item 8 and finish the service.
Condition is "Detected" Go to
item 7.
Service is finished.