Yamaha Star XVS950A 2009 Service Manual page 333

Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Order
2
3
4
28
Open or short circuit of engine temperature sensor lead
Engine startup: Possible
Riding: Possible
11
-30 to 120 °C
During cold starting: A temperature close to the ambient tempera-
ture is indicated.
During hot starting: The current engine temperature is indicated.
Make sure that the meter indication is close to the ambient tempera-
ture during cold starting.
Item/components and
probable cause
Connection of main
harness ECU coupler
Check the connection
of the coupler is
secure.
Remove the coupler,
and check each pin (for
bending, wear, or lock-
ing).
Continuity of wire har-
ness
Installation status of
engine temperature
sensor
FUEL INJECTION SYSTEM
Check or mainte-
nance job
Poor connection →
Connect it securely, or
repair/replace the wire
harness.
Open or short circuit →
Replace he wire har-
ness.
Black/Blue–Black/Blue
Brown–Brown
Check the mounting
section for a loose or
pinched mounting.
Make sure that the
mounting position is
correct.
7-46
Sensor inspection
procedure
Place the main switch
to the ON position, and
check the fault code
indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.
Place the main switch
to the ON position, and
check the fault code
indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.
Place the main switch
to the ON position, and
check the fault code
indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.