Yamaha V Star 950 Service Manual page 348

Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Order
1
2
3
4
46
Incorrect voltage is supplied to the ECU.
Engine startup: Possible
Riding: Possible
—
—
—
Item/components and
probable cause
Connection of 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
Battery malfunction
Stator coil malfunction
7-63
FUEL INJECTION SYSTEM
Check or mainte-
nance job
Poor connection →
Connect it securely, or
repair/replace the wire
harness.
Open or short circuit →
Replace the wire har-
ness.
Between the battery
and main switch
(Red–Red)
Between the main
switch and ignition fuse
(Brown/Blue–Brown/
Blue)
Between the ignition
fuse and ECU
(Red/White–Red/
White)
Check the battery volt-
age.
Refer to "CHECKING
AND CHARGING THE
BATTERY" on page 7-
82.
Battery malfunction →
Recharge or replace
the battery.
Check the stator coil
output.
Replace to "CHARG-
ING SYSTEM" on page
7-13.
Stator coil malfunction
→ Replace the stator
coil.
Sensor inspection
procedure
Start and idle the
engine for approxi-
mately 5 seconds.
Then, check the fault
code indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.
Start and idle the
engine for approxi-
mately 5 seconds.
Then, check the fault
code indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.
Start and idle the
engine for approxi-
mately 5 seconds.
Then, check the fault
code indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.
Start and idle the
engine for approxi-
mately 5 seconds.
Then, check the fault
code indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.