Yamaha FZ8NA Service Manual page 460

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
5 Sidestand switch malfunction Diagnostic mode (Code No.
6 ECU malfunction
19
Sidestand switch: a break or disconnection of the blue/yellow lead
of the ECU is detected. (no normal signals are received from the sid-
estand 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
d20).
The transmission is in gear
Sidestand retracted: ON indi-
cation
Sidestand extended: OFF
indication
Indication is incorrect. →
Replace the sidestand switch.
Replace the ECU.
FUEL INJECTION SYSTEM
8-65
Sensor inspection proce-
dure
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.