Yamaha V Star 950 Service Manual page 341

Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Order
4
5
41
Open or short circuit of lean angle sensor lead
Engine startup: Impossible
Riding: Impossible
08
The lean angle sensor value is indicated.
0 to 5.0 V
The vehicle is in a vertical position: 0.4–1.4 V
The vehicle is turned over: 3.7–4.2 V
Remove the lean angle sensor, tilt the vehicle more than 65 degrees,
and check the meter indication value.
Item/components and
probable cause
Lean angle sensor mal-
function
ECU malfunction
7-56
FUEL INJECTION SYSTEM
Check or mainte-
nance job
Refer to "CHECKING
THE LEAN ANGLE
SENSOR" on page 7-
89.
Replace the ECU.
Sensor inspection
procedure
Rotate the main switch
to the OFF position
first, and then rotate it
to the ON position
again.
Then, check the fault
code indication.
No fault code indicated.
→ Recovered.
Fault code indicated. →
Check the next step.