Mitsubishi Eclipse Workshop Manual page 86

'13-22
FUEL
-
Troubleshooting
3.
CHECKING THE RESUME SWITCH CIRCUIT
Auto-
cruise
control
switch
Description
of
operation
lhe ryt
speed (before
cancellation) resumes
when the
REO
SUME
switch
is
swilched ON, even if
the
constant-speed
-
control has been
cancelled.
That
speed
will not
resume. however, even
if the
RESUME
switch is switched ON,
if the
CRUISE swirch is switched
OFF
and
if
the vehicle speed
decreases
to 40
km/h
(25 mph) or
lower.
ln addirion.
when the
RESUME is swirched
ON and
held while
the vehicle is traveling at
a
constant speed.
the
vehicle
speed
will
increase;
the
speed
at which the switch
is
subsequbntly
released
will
become
the
newlv set constant
speed.
Current flo\^,s
to the control
unit
the autotruise
control
s1,\ritch
(RESUME).
and.to
earth.
Troubleshooting
hint
Diagnosis-No.
15 (automatically cancelledl
ECU
terminal vohage
When the
RESUME
switch
is
switched
oN.
When
the
RESUME
switch
is switched
OFF.
4.
CHECKING THE VEHICLE.SPEED SENSOR CIRCUIT
Dcscription
of opcntion
The whicle-speed sensor
is installed within the
speedometec h
sends
to the control unit
pulse
signals
that are proportional
to
the
rotation speed
(i.e.,
the vehicle
speed) of
the transmission
output
gear.
This
vehiclespeed
sensor
is
the
reed switch type of
sensor; it
generates four pulse
signals
for
each rotation of the speedo
meter's driven
gear.
C
Troublcehooting
hlrt
IXegnocls-No.
t2
(automatically cancelledl
ECU
terminel vohage
Terminal
No.
Signal
Conditions
Terminal
voltage
19
Vehicle.speed
sensor
Move the vehicle
forward slowly.
0v-0.7v
t
Flashing
+
3/-tS$ret
o
FEE#T"r'4
@
l,ffil
@d
ffi
@'
Junction
block
@
Mitsubishi
Motors
Corporation
Apr. 1991
1340366
PWUE9010