FUEL INJECTION SYSTEM
8-54
Fault code No.
34
Symptom
Open circuit detected in the primary lead of the cylinder-
#2 ignition coil.
Diagnostic code No.
31
Cylinder-#2 ignition coil
Orde
r
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Cylinder-#2 ignition coil coupler
• Main wire harness ECU coupler
• Sub-wire harness 1 coupler
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers.
• If there is a malfunction, repair it
and connect the coupler
securely.
Cranking the
engine.
(Connect the
cylinder-#2 igni-
tion coil cou-
pler.)
2
Open or short circuit in wire harness
and/or sub-wire harness 1.
• Repair or replace if there is an
open or short circuit.
• Between cylinder-#2 ignition
coil coupler and ECU coupler.
(Red/Black–Red/Black)
(Gray/Red–Gray/Red)
3
Defective cylinder-#2 ignition coil.
• Execute the diagnostic mode.
(Code No.31)
• Test the primary and secondary
coils for continuity.
• Replace if defective.
Refer to "CHECKING THE
IGNITION COILS" on page 8-
95.
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
email: [email protected]
Содержание YZF-R1 2007
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