Mitsubishi Eclipse Workshop Manual page 83

EUEL
-
Troubleshooting
13-19
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Mitsubishi
Motors Gorporation
Trouble
symptom
Probable
cause Check chart
No.
Remedy
The set vehicle speed varies
greatly upward
or
downward.
"
Hunching" (repeated alternating
acceleration
and deceleration)
occurs
after setting
is made.
Malfunction of the vehi-
cle speed sensor
circuit
No.4
Repair
the vehicle speed
sensor syslem, or
re-
place
the
part.
Malfunction of the
speedometer cable or
speedometer drive gear
Auto=cruise vacuum
pump circuit poor con-
tact
No.5
Repair the auto-cruise
vacuum
pump
or replace the part.
Malfunction of the auto-
cruise vacuum
pump
Malfunction of the
ECU Replace
the
ECU.
The
auto+ruise controlsystem
is
not
canceled when the
brake
pedal
is
depressed.
Damaged
or
discon-
nected wiring of
the
stop lamp
sruitch
input
circuit brake srvitch (for
auto-cruise control) mal-
function
(short-circuit)
lf the input check code
No.23 indicates
a
mal-
function. No.6
Repair
the harness or
replace the stop lamp
witch.
Auto-cruise vacuum
pump drive circuit
short-
circuit.
No.5
Repair
the harness or
replace the
autmruise
vacuum pump.
Malfunction of the
ECU
Replace the
ECU.
The auto-cruise control
sptem
is
not
canceled
when the clutch pedal
is
depressed.
(lt
is canceled, horuever, when
the
brake
pedal is
depressed.)
Damaged
or discon-
nected wiring of clutch
switch input circuit
lf the input check code
No.26 indicates
a
mal-
function. No.8
Repair the harness. or
repair or
replace the
clutch switch.
Clutch switch improper
installation
(won't
switch
ON)
Malfunction
of
the
ECU Replace
the
ECU.
Cannot decelerate by using the
SET
swrtch
Temporary damaged or
disconnected wirino of
SET
switch input
ciicuit
No.2
Repair
the
hamess or
replace the SEf
sruitch.
(column
sr,vitchl
Auto-cruise vacuum
pump circuit poor con-
tact
No.5
Repairthe harness or
replace the autccruise
vacuum
pumpand
actuator.
Malfunction of the auto-
cruise vacuum
pump
and
actuator (including
clogging of negative
pressure passage)
Malfunction of the
ECU
Replace
the
ECU.
".n
Apr.1991
PWt
Egolo