Yamaha FZ09E 2014 Service Manual page 399

Fault code No.
Item
Procedure
Item Probable cause of
malfunction and check
1 Locate the malfunction.
2 Connection of speed sensor
coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
3 Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
42
Speed sensor: no normal signals are received from the
A
speed sensor.
B Neutral switch: open or short circuit is detected.
C Clutch switch: open or short circuit is detected.
Check that the number increases when the rear wheel is rotated.
The number is cumulative and does not reset each time the wheel
is stopped.
Maintenance job
Execute the diagnostic
mode. (Code No. 07)
Rotate the rear wheel by
hand and check that the indi-
cated value increases.
Execute the diagnostic
mode. (Code No. 21)
When the transmission is in
neutral: "ON"
When the transmission is in
gear with the clutch lever
released: "OFF"
When the transmission is in
gear with the clutch lever
squeezed and the sidestand
retracted: "ON"
Improperly connected 
Connect the coupler securely
or replace the wire harness.
Improperly connected 
Connect the coupler securely
or replace the wire harness.
8-64
FUEL INJECTION SYSTEM
Confirmation of service
completion
Value does not increase 
Go to item 2.
Incorrect indication  Go to
item 2 in section B for the
neutral switch.
Incorrect indication  Go to
item 2 in section C for the
clutch switch.
Execute the diagnostic
mode. (Code No. 07)
Rotate the rear wheel by
hand and check that the indi-
cated value increases.
Value increases  Go to
item 6 and delete the fault
code.
Value does not increase 
Go to item 3.
Execute the diagnostic
mode. (Code No. 07)
Rotate the rear wheel by
hand and check that the indi-
cated value increases.
Value increases  Go to
item 6 and delete the fault
code.
Value does not increase 
Go to item 4.