Troubleshooting Details - Yamaha 2007 XP500 Service Manual

EAS27471

TROUBLESHOOTING DETAILS

This section describes the measures per fault code number displayed on the meter. Check and service
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 ac-
cording to the reinstatement method.
Fault code No.:
Code number displayed on the meter when the engine failed to work normally. Refer to "Self-Diagnostic
Function table".
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to "DIAGNOSTIC
MODE" on page 8-38.
Fault code No. 12
Diagnostic code No.
Order Item/components and probable cause
1 Installed condition of crankshaft position
sensor
2 Connected state of connector
Crankshaft position sensor coupler
G
Main wire harness ECU (engine)
G
coupler
3 Open or short circuit in wire harness.
4 Defective crankshaft position sensor.
No normal signals are received from the crankshaft position
Symptom
sensor.
FUEL INJECTION SYSTEM
Check or maintenance job
Check the installed area for loose-
ness or pinching.
Check the coupler for any pins
G
that may have pulled out.
Check the locking condition of
G
the coupler.
If there is a malfunction, repair it
G
and connect it securely.
Repair or replace if there is an
G
open or short circuit.
Between the sensor coupler
G
and ECU coupler.
(Black/Yellow–Black/Yellow)
(Black/Blue–Black/Blue)
Replace if defective.
G
Refer to "CHECKING
CRANKSHAFT POSITION SEN-
SOR" on page 8-114.
8-45
Reinstatement
method
Cranking the
engine.
THE