Troubleshooting Details - Yamaha 2009 Diversion XJ6S Service Manual

EAS27451

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 8-48.
Fault code No.
Symptom
Fail-safe action
Diagnostic monitoring
code No.
Meter display
Checking method
Order
1
2
3
4
12
Normal signals are not received from the crank position sensor.
Engine startup: Impossible
Riding: Impossible
—
—
—
Item/components and
probable cause
Connection of crankshaft
position sensor coupler
Check the connection of
the coupler is secure.
Remove the coupler, and
check each pin (for bend-
ing, wear, or locking).
Connection of main har-
ness ECU coupler
Check the connection of
the coupler is secure.
Remove the coupler, and
check each pin (for bend-
ing, wear, or locking).
Continuity of wire har-
ness
Sensor installation status
- Check the mounting
section for loose or
pinched mounting.
FUEL INJECTION SYSTEM
Check or maintenance
job
Poor connection ⇒ Con-
nect it securely, or repair/
replace the wire harness.
Poor connection ⇒ Con-
nect it securely, or repair/
replace the wire harness.
Open or short circuit ⇒
Replace the wire har-
ness.
Gray
Black/Blue
Incorrect installation ⇒
Reinstall or repair the
sensor.
8-49
Sensor inspection
procedure
Crank the engine, and
check the fault code indi-
cation.
No fault code indicated.
⇒ Recovered.
Fault code indicated. ⇒
Check the next step.
Crank the engine, and
check the fault code indi-
cation.
No fault code indicated.
⇒ Recovered.
Fault code indicated. ⇒
Check the next step.
Crank the engine, and
check the fault code indi-
cation.
No fault code indicated.
⇒ Recovered.
Fault code indicated. ⇒
Check the next step.
Crank the engine, and
check the fault code indi-
cation.
No fault code indicated.
⇒ Recovered.
Fault code indicated. ⇒
Check the next step.