Yamaha 2011 FZ8NA(C) Service Manual page 395

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
1 Connection of sidestand
switch coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
2 Connection of wire harness
ECU coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
3 Connection of main switch
coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
4 Continuity of wire harness
19
Sidestand switch: a break or disconnection of the blue/yellow lead
of the ECU is detected. (no normal signals are received from the
sidestand switch.)
Unable to start engine
Unable to drive vehicle
d:20
Sidestand switch
• ON (sidestand retracted)
• OFF (sidestand extended)
Extend and retract the sidestand (with the transmission in gear).
Check or maintenance job
Poor connection → Connect it
securely, or repair/replace the
wire harness.
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 harness.
Blue/yellow–Blue/yellow
Blue/black–Blue/black
8-46
FUEL INJECTION SYSTEM
Sensor inspection proce-
Place the main switch to the
ON position, and check the
fault code indication when
the sidestand is retracted and
extended.
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 when
the sidestand is retracted and
extended.
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 when
the sidestand is retracted and
extended.
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 when
the sidestand is retracted and
extended.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
dure