Yamaha FZ8NA Service Manual page 483

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
4 Lean angle sensor malfunc-
tion
5 ECU malfunction
41
Lean angle sensor: open or short circuit detected. (no normal sig-
nals are received from the lean angle sensor.)
Unable to start engine
Unable to drive vehicle
d:08
Lean angle sensor output voltage
• 0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Remove the lean angle sensor and incline it more than 65 degrees.
Check or maintenance job
Diagnostic mode (Code No.
d08).
Sensor inspection procedure
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-194.
Replace the ECU.
FUEL INJECTION SYSTEM
8-88
Sensor inspection proce-
dure
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.