FUEL INJECTION SYSTEM
8-71
Fault code No. 33 Symptom Malfunction detected in the primary wire of the cylinders-
#1/#4 ignition coil.
Diagnostic code No. 30 Cylinders-#1/#4 ignition coil
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Cylinders-#1/#4 ignition coil connec-
tor (primary coil side)
• Wire harness ECU coupler
• Front cowling wire harness coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler se-
curely.
Starting the en-
gine and oper-
ating it at idle.
2 Open or short circuit in wire harness
and/or front cowling wire harness.
• Repair or replace if there is an
open or short circuit.
• Between cylinders-#1/#4 igni-
tion coil connector and ECU
coupler.
(orange–orange)
• Between cylinders-#1/#4 igni-
tion coil connector and right
handlebar switch coupler.
(red/black–red/black)
3 Defective cylinders-#1/#4 ignition coil • Execute the diagnostic mode.
(Code No.30)
• Test the primary and secondary
coils for continuity.
• Replace if defective.
Refer to “CHECKING THE IG-
NITION COILS” on page 8-161.
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