Yamaha 2011 FZ8NA(C) Service Manual page 414

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Actuation
Procedure
Item/components and
probable cause
6 Ignition coil malfunction
(Check the continuity of pri-
mary coil.)
7 ECU malfunction
36
Cylinder-#4 ignition coil: open or short circuit detected in the pri-
mary lead of the cylinder-#4 ignition coil.
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
d:33
Actuates the cylinder-#4 ignition coil five times at one-second inter-
vals.
Illuminates the engine trouble warning light.
Check that a spark is generated five times.
• Connect an ignition checker.
Check or maintenance job
Ignition coil inspection
method
Refer to "CHECKING THE
IGNITION COILS" on page 8-
108.
Check in the diagnostic mode
(Code No. d33).
If not ignited, replace the
defective ECU.
8-65
FUEL INJECTION SYSTEM
Sensor inspection proce-
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
dure