Yamaha V Star 950 Service Manual page 327

*Check the sensor only when the engine is cold.
Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Order
1
2
3
4
22
Open or short circuit of intake air temperature sensor lead
Engine startup: Possible
Riding: Possible
05
-30 to 120 °C
During cold starting: A temperature close to the ambient tempera-
ture is indicated.
During hot starting: Ambient temperature plus Approx. 20 °C (Offset
of radiation heat)
Make sure that the meter indication is close to the ambient tempera-
ture during cold starting.
Item/components and
probable cause
Connection of intake air
temperature sensor
coupler
Check the connection
of the coupler is
secure.
Remove the coupler,
and check each pin (for
bending, wear, or lock-
ing).
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
intake air temperature
sensor
7-42
FUEL INJECTION SYSTEM
Check or mainte-
nance job
Poor connection →
Connect it securely, or
repair/replace the wire
harness.
Poor connection →
Connect it securely, or
repair/replace the wire
harness.
Open or short circuit →
Replace the wire har-
ness.
Black/Blue–Black/Blue
Brown/White–Brown/
White
Check the mounting
section for a loose or
pinched mounting.
Make sure that the
mounting position is
correct.
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.
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.