Yamaha Fz 09 2014 Manual

FUEL INJECTION  SYSTEM 
Fault code No. 19 
Item Sidestand switch: a break or disconnection of the black/red 
lead 
of the ECU is detected . 
6 Defective sidestand  switch.  Execute  the diagnost ic  Turn the main  switch  to ON, 
mode.  (Code No. 20)  and then  extend  and retract 
Shift the  tra nsmis sion in to  the  sidestand. 
gear. 
Fault code  numbe r is not  dis-
Sides tand  retracted: 
ON  played  -+ Serv ice is  fi n ished . 
Sidestand  extended: 
OFF Fault code  numbe r is dis · 
Rep lace 
if...

FUEL INJECTION  SYSTEM 
Fault code No. 20 
Intake air pressure sensor 1 or intake air pressure sensor 2: 
Item when the main switch Is turned to  ON, the Intake air pres-
sure sensor 1 voltage and intake air pressure sensor  2 volt-
age differ greatly. 
1  Defect ive intake  air pressu re  Execute  the diagnost ic  Turn the main  switch  to ON. 
sensor 1.  mode. (Code No. 03)  Fault cod
e number  is not dis-
When  engine  is  stopped: 
played -+ Serv ice  is  fi n ished. 
Atmosp he ric 
pressu re at th e...

FUEL INJECTION  SYSTEM 
Fault code No. 21 
Item Coolant temperature sensor: open or short circuit detected. 
Fail-safe system Able to  start  engine 
Able to  drive veh icle 
Diagnostic code No. 06 
Meter display Disp lays the coo la nt tempe rature. 
Procedure Compare  the actually measured coolant tempera ture with  the 
meter  display 
value. 
Item 
Probable cause of Maintenance job Confirmation of service 
malfunction and check completion 
1 Connection of coolant t ern-Improperly connec ted --+ Turn...

FUEL INJECTION  SYSTEM 
Fault code No. 21 
Item Coolant temperature sensor: open or short circuit detected. 
5 Defect ive coola nt tem pe ra · Execute  the diagnost ic  Turn the main  switch  to ON. 
tu re  sensor.  mode. (Code No. 06) Fau lt code  num ber is  no t dis· 
When  engine  is co ld: played  -+ Service  is  fi n ished. 
D isp layed tem pe ratu re  is Fau lt code  numbe r  is d is · 
c lose 
to  th e  amb ie nt te mp er-played  -+ Go to ite m 6. 
ature. 
The 
d isp layed temperatu re  is 
not...

FUEL INJECTION  SYSTEM 
Fault code No. 22 
Item  Intake ai
r temperature sensor: open or short circuit detected. 
3  W ir e  harness  continui ty. 
Ope n or short  circu it ~ Turn  the main  switch  to ON. 
Rep lace 
the  wire  harness. Fau lt code  number is  no t dis-
Be tween  intake air tempera -
played ~ Serv ice  is  fi n ished. 
ture  sen
sor coup ler and ECU  Fault code  numbe r  is  dis -
coup le r.  p
layed ~ Go to  ite m 4. 
brown /wh ite-brown/wh ite 
Be twee n intake  air  tempera-
l ur e...

FUEL INJECTION  SYSTEM 
Fault code No. 24 
Item 0
2 sensor: no normal signals are  received from the 0
2 sen -
sor. 
Item Probable cause of Maintenance job Confirmation of service 
malfunction and check completion 
1 Installed c ond iti o n of 0
2 sen-Improperly  in stalled se nsor S tart th e  eng in e,  warm  it  up, 
sor . -) Reins tall or rep lace th e  and then  race  it ,  or  execute 
sensor.  the 
diag nos tic  mode.  (Code 
No. 63) 
Fault code  number  is  no t 

d
is-
played -) Serv ice i s...

FUEL INJECTION  SYSTEM 
Fault code No. 24 
Item  0
2 sensor: no normal signals are received from the 0
2 sen-
sor. 
5  C
heck 
fuel pressure.  Refer to C HECK ING THE Start the  engine , warm  it  up , 
FUEL  PRESSURE  on page  and then  race  it,  or  execute 
7·11. th e  diag nostic  mode.  (Code 
No. 63) 
Fault code number  is  not  dis -
played ~ Service is  fin ish ed. 
Fau lt code  numbe r is  dis-
played ~ Go to  item 6. 
6  Defective 0
2 sensor . 
Check the 0
2 sensor. Start th e  engi ne,  warm...

FUEL INJECTION  SYSTEM 
Fault code No. 25 
Item  I
ntake air  pressure  sensor 2: open  or  short  circuit detected . 
2  Connect ion 
of w ire  harness Imprope rly co nnected ~ Turn  the main  switch  to ON . 
ECU  coupler . 
Con nect the  coupler  secure ly  Fau lt code  numbe r is  no t dis-
Check  the 
locking cond it ion  or replace the 

wire  harness. 
p layed ~ Service  is  fi n ished. 
of the coupler.  Fault code  numbe r  is  dis -
D iscon n
ect the co upler and played ~ Go to  item 3. 
check...

FUEL INJECTION  SYSTEM 
Fault code No. 25 
Item  Intake ai
r pressure sensor 2: open o r short circuit detected. 
5  Defect i
ve intake  air pressu re  Execute  the diagnost ic  Turn the main  switch  to ON. 
sensor  2.  mode. (Code No. 04) Fau lt code  number is  no t dis-
When  engine  is  stopped: 
played --+ Serv ice  is  fi n ished. 
Atmosp he ric 
pressu re at th e Fau lt code  numbe r  is  dis -
curre nt 
a lti tu de and  weather p layed --+ Go to  ite m 6. 
cond itions  is  indicat ed. 
At  sea...

FUEL INJECTION  SYSTEM 
Fault code No. 26 
Item  Intake ai
r pressure sensor 2: hose system malfunction 
(clogged or detached hose). 
Procedure Shilt th e t ransmis sion  into gear , extend  the sidesta nd , a nd  then 
opera te  the 
thro ttle  wh ile push in g  the