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