Yamaha 2011 FZ8NA(C) Service Manual page 405

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
6 O sensor malfunction
2
7 ECU malfunction
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
1 Turnover of vehicle
2 Sensor installation status
24
O sensor: no normal signals are received from the O
2
Able to start engine
Able to drive vehicle
—
—
—
Check or maintenance job
Check the O
abnormality.
Refer to "ENGINE REMOVAL"
on page 5-3.
sensor malfunction →
O
2
Replace the O
Replace the ECU.
30
Latch up detected.
No normal signals 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
Raise the vehicle to the
upright position
Check for a loose mounting,
pinched mounting, or sensor
mounting direction (up or
down).
Make sure that the mounting
position is correct.
8-56
FUEL INJECTION SYSTEM
Sensor inspection proce-
sensor for an Either start and warm up the
2
engine, and then racing it, or
reset it with diagnostic code
d63.
No fault code indicated. →
Recovered.
sensor
2
Fault code indicated. →
Check the next step.
Sensor inspection proce-
Place the main switch to the
ON position.
(however, the engine cannot
be restarted unless the main
switch is first turned OFF)
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position.
(however, the engine cannot
be restarted unless the main
switch is first turned OFF)
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
sensor.
2
dure
dure