Yamaha 2008 YZF-R6X, Service Manual

Page: 372 / 434

FUEL INJECTION SYSTEM
8-49
EAS27460
TROUBLESHOOTING DETAILS
This section describes the measures per fault code number displayed on the meter. Check and ser-
vice the items or components that are the probable cause of the malfunction following the order
given.
After the check and service of the malfunctioning part has been completed, reset the meter display
according to the reinstatement method.
Fault code No.:
Code number displayed on the meter when the engine failed to work normally. Refer to “Self-Diag-
nostic Function table”.
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to “DIAGNOSTIC
MODE” on page 8-40.
Fault code No. 11 Symptom
No normal signals are received from the cylinder identifi-
cation sensor when the engine is started or while the
vehicle is being driven.
Diagnostic code No. — —
Order
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1 Installed condition of cylinder identifi-
cation sensor. Check for looseness or pinching. Cranking the
engine.
2 Connections
• Cylinder identification sensor coupler
• Main wire harness ECU 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.
3 Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between the cylinder identifica-
tion sensor coupler and ECU
coupler.
(blue–blue)
(white/black–white/black)
(black/blue–black/blue)
4 Defective cylinder identification sensor. • Replace if defective.
Refer to “CHECKING THE
CYLINDER IDENTIFICATION
SENSOR” on page 8-100.