Yamaha Fz 09 2014 Manual

FUEL INJECTION  SYSTEM 
Fault code No. 42 
A Speed sensor: no normal  signals are rece ived from the  speed 
sensor. 
I tem 
B Neutral switch: open or short circuit Is detected. 
c C lu tc h sw itch:  open or short  circuit is  detected. 
Meter 
display Neutral  •  ON 
(when  the transm ission  is in neutral) 
•  OF F 
(when  the transm ission  is  in  gear or the clutch  lever 
released) 
Procedure Shift the  transm ission. 
Item Probable cause of Maintenance job Confirmation of service 
malfunction and...

FUEL INJECTION  SYSTEM 
Fault code No. 42 
A Speed sensor : no normal 
signals are rece ived from the  speed 
sensor. 
Item 
B Neutral switch: open or short circuit Is detected. 
c C lu tc h sw itch:  open or short  circuit is  detected. 
3 Connect ion of wire  harness Improper ly connected -t Execu te  the diag nostic 
ECU  coupler. Connect  the 

coupler  securely 
mode. (Code  No. 21) 
Check  the 
locking condition  or replace the  wire  harness.  When the  transmission  is  in 
of the co upler ....

FUEL INJECTION  SYSTEM 
Fault code  No. 42 
A Speed sensor : no normal signals are  re c e i ved from the speed 
sensor. 
Item 
B Neu tral sw itch : open or short  circuit Is detected . 
c Clu tch sw itch:  open or short  circuit is  de tected. 
7  Faulty  sh i
ft d rum (n eutra l  Malf unct ion -> Repla c e th e  Execu te  the diag nost ic 
detecti on area).  sh if t  drum.  mode. (Code  No. 21) 
Refe r  to T RANS MISSION  Wh
en  th e  tra nsmiss ion is  in 
on page  5-76. neutr al: ON 
Wh

e n 
the...

FUEL INJECTION  SYSTEM 
Fault code No. 42 
A 
Speed sensor : no normal  signals are rece ived from  the speed 
sensor. 
Item B Neutra l switch:  open or short  circuit  is  detected. 
c Clutch switch: open or short circuit Is detected. 
Procedure Operate  the transmiss ion, clutch  lever , and  sides tand. 
Item  Probable cause of Maintenance job Confirmation of service 
malfunction and check completion 
1  Locate  the malfunction. Execute  the diagnost ic Value does not inc rease ~ 
mode.  (Code No. 07)...

FUEL INJECTION  SYSTEM 
Fault code No. 42 
A Speed sensor: no normal  signals are rece ived from the  speed 
sensor. 
Item B Neutra l switch:  open or short  circuit 

i s  detected. 
c Clutch switch: open or short circuit Is detected. 
4 Connect ion of wire  harness Improper ly connected -t Execu te  the diag nostic 
ECU 
coup ler. Connect  the coupler securely mode. (Code  No. 21) 
Check  the 

locking 
cond ition  or replace the  wire  harness.  When the clutch  leve r is 
o f  the 
co upler. released...

FUEL INJECTION  SYSTEM 
Fault code No. 42 
A Speed se nsor : no norma l signa ls are  re c e ived fr om  the speed 
se
nso r. 
It em B Ne utr al swi tc h : open  or short  circui t is  detec ted. 
c Clutch switch: open or short circuit Is detected . 
9 
De le te the fault code.  Turn the main  switch  to ON, 
and  then  rotate  the rear 
whee l by  ha nd. 
S ta rt the  eng in e , a nd  inpu t 
t h e 
vehicle speed signals by 
o pera ting  the 
vehic le a t 20 to 
30 k m/h  (19 mi/h) . 
T he 
fau lt code...

FUEL INJECTION  SYSTEM 
Fault code No. 
43 
Item Fuel syste m voltage: incorrect voltage supplied to the fue l 
In
jector and fuel pum p. 
2 Co nnec tio n of wi re  ha rness Improperly co nnec ted -t S tart the  engine  and let it id le 
ECU  coup ler. 
Connect  the coupler securely fo r approximately 5  seconds. 
Check  the 

loc king 
cond iti o n or replace the  wir e  harness. Fau lt code  numbe r  is not d is · 
o f  the co up ler .  p
layed -t Serv ice i s  fin is h ed. 
D isconnect  the 
coupler...

FUEL INJECTION  SYSTEM 
Fault code No. 44 
It em  EEPROM fault code numbe
r:  an error is  detected while read -
Ing or writing on EEPROM . 
Meter display EEPROM  fa ult code d isplay 
•  00 
(no  histo ry) 
• 01-03:  Cylinder  fault code  number  (history  exists) 
If more  than one cylinder is  defective , the d isplay sw itches 
every  two seconds  to sh ow  the 
cylinder  fault code  numbers of 
all defec tive cylinde rs in  a  repeati ng cyc le. 
• 
1 1: Data  error for ISC (id le speed contro l)...

FUEL INJECTION  SYSTEM 
Fault code No. 50 
Faulty ECU memory.  (When this malfunction is detected in 
Item the ECU, the fault code number might not appear on the 
meter display.) 
Fail-safe 
system Able /Unab le to start  engine 
Able/Unab le to drive veh icle 
Diagnostic  code No. -
Meter display -
Procedure -
Item  Probable cause of mal-Maintenance job Confirmation of service 
function and check completion 
1 Malfunct ion in ECU. Replace the ECU. Turn  the main  switch to ON. 
Refer  to  REPLACING TH E...

FUEL INJECTION  SYSTEM 
Fault code No. 59 
Item Accelerator posit ion sensor : open or short circ uit detected. 
1  Connection of accelerator  Improperly co nnected ~ Turn  the main switch  to ON. 
posit ion sensor coupler. Con nect the  coup ler  securely  Fault code  number  is  no t dis-
Check  the 
locking condition  or replace the wire  harness. played ~ Service  is  fi n ished. 
of the coupler.  Fault code  number is  dis-
D isc onn
ect the coup ler and played ~ Go to  item 2. 
check  the pins...