Mitsubishi 3000gt 1999 Instruction manual

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n
MITSUBISHI
MOTORS Worlrshop
Mqnuql
chqssis
SUPPLEMENT
o SOOOGiT'99
(, ffi
-#
ffi
#
!PUb,NO.PWUEgI
I9.H
Pub.No.PWUE9203-6

5J MITSUBISHI
3000GiT
WORKSHOP
MANUAL
SUPPLEMENT
FOREWORD
This
Workshop
Manual
contains
procedures
forre-
moval,
disassembly,
inspection,
adjustment,
reas-
sembly
andinstallation,
etc.
for
service
mechanics.
Usethe
manuals
indicated
onthefollowing
page
in
combination
with
this
manual
asrequired.
Allinformation,
illustrations
andproduct
descrip-
tions
contained
inthis
manual
arecurrent
as
atthe
time
of
publication.
We,
however,
reserve
theright
tomake
changes
at
anytime
without
prior
noticsor
obligation.
Allffis,Hffi;dl
General Eil
r
r
Fuel
Chassis
Electrical
,t (9 Mitsubishi
MotorsCorporation May 1999

{
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WIRING
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PARTS
CATALOGUE
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GENERAL- Vehicleldentification 00-1
l* GENERALOO
GENERAL I
VEHICLEIDENTIFICATION
MODEL
VEHICLESFOREUROPE
C{,
CHASSIS
NUMBER
The
chassisnumberisstampedonthe
toeboard
inside
the
engine
compartment.
I
(r!
Model
code Enginemodel Transmissionmodel Fuel
supplysystem
Zl6AMJGFL6 6G72
(2,972
m() W6MG1 MPI
Zl6AMJGFR6
VEHICLESFOR
GENERALEXPORT
Model
code Enginemodel Transmissionmodel Fuel
supplysystem
Zl6AMNGFL 6G72
(2,972
mt)' WsMG1 MPI
Zl6AMNGFR
VEHICLESFOR
GCC
Modelcode Enginemodel Transmissionmodel Fuel
supplysystem
Zl6AMNGFLW 6G72
(2,972m() WsMG1 MPI

00-2 GENERAL- Vehicle ldentification
1. Asia
2. Japan
3. MITSUBISHI
A - For Europe,
righthand
drive
B - ForEurope,lefthand
drive
Y - ForGeneral Export
or GCC
4. Bodystyle
M- 2-doorhatchback
5. Transmissiontype
N - S-speed manualtransmission
J - 6-speedmanualtransmission
Y 000001 A
T
tl
rl
910 VO2OTAA
6. Development order
216
- 2,972
m/ (Full time4WD)
7. Sort
A - Passengercar
8. Model
year
x - 1999
9. Plant
Y - OheMotorVehicleWorks
10.Serial
number
A J M B M N 216 A X
TTTTTTTT
rrrrllll
12345678
-)
)

13-1
UJ
D,'
ht
FUEL
CONTENTS
GENERAL ,........2
OutlineofChanges ........ 2
SPEC|
FfCATTONS ........ 2
GeneralSpecifications.... 2
TROUBLESHOOTING ..... 2
ON.VEHICLEINSPECTION
OF MPI
COMPONENTS. .... 3
PowerSupply
and
lgnition
Switch-lG 3
Engine
ControlUnit
Power
Earth. ....... 4
FuelPump .... 5
AirFlowSensor ..... 8
IntakeAirTemperature
Sensor 10
BarometricPressure
Sensor ...... 11
Engine
Coolant
Temperature
Sensor 13
ThrottlePosition
Sensor 14
ldlePosition
Switch ....... 16
Cam
Position
Sensor 17
CrankAngle
Sensor
... 19
lgnition
Switch-ST ... 21
Vehicle
SpeedSensor ..... 22
PowerSteeringFluidPressureSwitch........ 24
AirConditionerSwitchandPowerRelay.
..... 25
DetonationSensor ..... ... 26
ElectricalLoadSwitch ..... 27
OxygenSensor ..... 28
FanMotorRelay
(Radiator
Fan,
Condenser
Fan). ... 30
lnjectors ......32
ldle
SpeedControlServo
(Stepper
MotorType).... .
...... 33
lgnitionCoiland
PowerTransistor ..... . 34
Purge
ControlSolenoid
Valve. ... 37
EGRControlSolenoid
Valve. .... 38
FuelPressureControlValve. ....39
Waste
GateGontrol
SolenoidValve
. ... 40
BoostMeter..... ...41
Anti-lockBrakingSignal ... 42
TerminalVoltageCheckChart. ... 42

13-2 FUEL - General,
Specifications
GENERAL
OUTLINE
OFCHANGES
. Theengine-EgU
in thevehicle
for Europe
hasbeen
changedas follows.Service
procedures
for
areas
wnicnaredifferent
frombefore
havebeen
established
to correspond
to this'
(1)Theengine-ECU
connector
terminal
layout
hasbeen
changed
to correspond
to changes
inthe
inhibitor
system.
SPECIFICATIONS
GENERAL
SPECIFICATIONS
TROUBLESHOOTING
NOTE
Replace
theengine-ECu
together
withtheimmobilizer-ECU
andignition
key.
J
J
(,
Y
I
(L)
Items Specifications
Engine
control
unit
identification
model
No.
LHD
RHD E2T61492
E2T61491

FUEL
- On-vehicle
Inspection
ofMpl
Components 13-3
lI* ON.VEHICLE
INSPECTION
OF
MPI
COMPONENTS
POWER
SUPPLY
AND
IGNITION
SWITCH.IG
Engine
control
unit
Engine
control
unit
connector
9Fu0393
Equipment
side
connector
3l
Battery
tlrlrlrlrl lgnition
switch
[tG]
fuel
pump
relay
No.
116FO590 V
_r--
| tsower I
I supply I
VV
*t-L.
I suppry
I V-V)
t-
.ITT F+
?FU1943
HARNESS
INSPECTION
Measure
theignition
switch
(lG)
terminal
input
voltage.
. Engine
control
unit
connector:
Disconnected
lgnition
switch Voltage(V)
OFF 0-1
ON SV
Repair
the
narness.
(lgnition
switch
- [il)
or
check
the
ignition
switch

Harness
side
connector
?FUt930
RePair
the
harness.
(Battery
-
@1T1)
(Battery
-
@ Fl)
rur--*" the
power
supply
voltage
of
the
control
relaY'
o lonition
switch:
OFF
o iontrol
relaY
connector:
Disconnected
RePair
the
harness.
(@
El- Fq)
(O
n - rlrl'
E5l)
Check
foranopen-clrcuit'
ora short-circuit
'
i" "itiri, o"t"een theengine
control
unit
and
Engine
control
unit
connector:
Disconnected
Control
relaY
connector:
Disconnected
1..-----\l
l--\C---l
L_
!--J
Malfunction
ofcontrol
relay
or
engine
control
unit
ilp"*. voltage
tothe
actuator'
o Control
relaY
connector:
Connected
. Engin"
control
unit
connector:
Connected
Engine Voltage(V)
8Vorhigher
Cranking
Racing SV
ENGINE
CONTROL
UNIT
POWER
EARTH
9FU0393

FUEL
- On-vehicle
Inspection
of MplGomponents 13-5
FUEL
PUMP
lgnition
switch
[tG]
Fuel
pump
relay
No.
1
Fuel
pump
relay
No.2
O Equipment
side
2 connector
Engine
control
unit
4F,
@ Equipment
side
connector
Harness
side
connector
Equipment
side
connector
''',&
r-ffi
N-,(J[Lrl
Engine
control
unit
connector
?FU2486
9FU0393

FUEL
- On-vehicle
Inspection
of MPIComponents
HARNESS
INSPECTION
Check
the
fuel
pump.
r Applybattery voltage
tothe
fuel
pump
relay
No.
2and operate
the
PumP.
I
Repair
the
harness.
(@tI-
Earth)
Check
the
earth
circuit
of
thefuel
pump.
o Fuel pump
connector:
Disconnected
f-":l
l-\=--l
[o I
?FU0954
Repair
the
harness.
(@
ilr
-
o'r)
Check
foran
open-circuit,
orashort-circuit
toearth,
between
the
fuel
pump
relay
No.2
and
thefuel
pumP.
r Fuel
pump
relay
No.2connector:
Disconnected
o Fuel pump
connector:
Disconnected
Harness
side
connector
w'
Harness
t:i:l
l-\\l
|.o I
Check
foran
open-circuit,
orashort-circuit
to
earth,between
the
fuel
pump
relay
No'2
andtheengine
control
unit.
o Fuel pump
relayNo.2
connector:
Disconnected
r Enginecontrol
unitconnector:
Disconnected Repair
the
harness.
(o !-.l- Ed)
L:I
l-\\l
L_qJ
?FU0961
Repair
the
harness.
(@
a--
oir)
Check
for
continuity
between
the
fuel
pump
relay
No.2andthe
resistor
(for
fuel
pump).
o Fuel pump
relayNo.2connector:
Disconnected
o Resistor
(for
fuel
pump)
connector:
Disconnected
?FU0962

FUEL
- On-vehicle
Inspection
ofMpl
Components 13-7
7
FU248?
Checkfor
continuity
between
the
resistor
(for
fuel
pump)
andfuel
pump.
o Resistor
(for
fuel
pump)
connector:
Disconnected
o Fuel
pump
connector:Disconnected
Repair
the
harness.
(@
t3l-
@
pt)
?FU1928
Measure
the
power
supplyvoltage
ofthe
fuel
pump
relay
No.1.
r Fuel
pump
relay
No.1
connector;
Disconnected
lgnition
switch Voltage (V)
OFF 0
ON SV
Repair
the
harness.
(lgnition
switch
-
@
lar
?l; or
check
the
ignition
switch
Check
for
an
open-circuit,
or
ashort-circuit
to
earth
between
thefuel
pump
relay
No.1
and
the
engine
control
unit.
o Control
relay
connector:
Disconnected
. Engine
control
unit
connector:
Disconnected Repair
the
harness.
(@z-rz)
rF=r
l-\-=-l
L_O J
?FU2038
Check
for
continuity
between
thecontrol
relay
No.1
andthecontrol
relay
No.2.
o Control
relay
No.1
connector:
Disconnected
. Control
relayNo.2
connector:
Disconnected Repair
the
harness.
(@
tlr-
Oi3r)
(@
I-
@ sl)

13-8 FUEL - On-vehicle
Inspection
of MPIGomponents
AIRFLOWSENSOR
Air
flow
sensor
n \\l/
(with
built-in
intake
''lj
airtemperature
sensor
and
barometric
oressure
)
@ Equipmentside
connector
@ Harnessside
connector
t------l )
N
-
c
o
c)
=
)
ffii
; _______gF!cog
r6za51
Enginecontrol
unitconnector
9FU0393
J
Control
relay
Airflow
sensor
I
Airflowrate
(liters/second)
a

FUEL- On-vehicle
Inspection
of MPIComponents 13-9
HARNESS
INSPECTION
Measure
the
power
supply
voltage.
o Connector:
Disconnected
o lgnition
switch:
ON
Voltage
(V)
SV Repairthe
harness
(OE
- Con-
trolrelay)or
checkthe
controlrelay.
7F|.'r]655
t,
F
Measure
theterminal
voltage.
o Connector:
Disconnected
o lgnition
switch:
ON
Voltage
(V)
4.8
- 5.2 @
0( Repairthe
harness.
@tr-@)
t\
2
Checkfor
continuity
of
theearth
circuit.
o Connector:Disconnected @
o( Repair
the
harness.
(@
tr- @)
@ Harness
side
| -Q-N Engine
control
connector l- b -lunitharness
7FUO715
Checkfor
continuitv
between
theair
flow
sensor
andthe
enqine
control
unit.
o Air
flow
sensor
connector:
Dis-
connected
o Engine
control
unitconnector:
Disconnected 8)
0( Repair
the
harness.
(@tr-tr)
\-_\
/Y_\
-t-
q

13-10 FUEL - On-vehicle
Inspectionof MPIGomponents
El3YGAA2 IINTAKE
AIRTEMPERATURE
SENSOR
temoeralure
sensor
@ Equipment
side
connector
Airflow
sensor
connector
@ Harness
stde
connector
Intakeair
temperature
sensor e
/l Engine
controlunit
7FUO659
Enginecontrol
unit
connector J
Air
flow
sensor
(with
built-in
intake
air
-- temperature
Sensorand
barometric
pressure
sensor) c)
c
o
.o
o
q)
cc
l
Temperature tcztttt Temperature
xf|f
5V
HARNESSINSPECTION
Check
for
continuity
ofthe
earth
circuit.
r Connector:
Disconnected @
o( Repairthe
harness.
(@tr-@)
a

FUEL - On-vehicle
Inspectiono!_MptComponents 13-11
TFtJo{dp
Measure
thepower
supply
voltage
o Connector:
Disconnected
e lgnition
switch:
ON
Repair
the
harness.
@E-tr)
Airflow
sensor
: lli/
--__ ^..- (with
built-rn
intake
,l
i]
=--atr temperature
sensor
and
barometric
pressure
lgl'o1ffi/
BAROMETRIC
PRESSURE
Barometric
pressure
sensor
@ Equipment
srde
connector
Air
flow
sensor
connector
@ Harness
side
Engine
control
unit
Barometric
pressure
sensor
Output
volrage
(V)
1
0
Barometiic
pressure
I760
(30)
rcssr
Engine
control
unit
connector
9FU0393
(.,

13-12 FUEL - On-vehicle
Inspection
of Mpl Components
HARNESS
INSPECTION
Check
for
continuity
of
the
earth
circuit.
o Connector:Disconnected
Repair
the
harness.
(@tr-@)
I
I
Measure
the
power
supplyvoltage
of
the
barometric
pressure
sensor
. Connector:Drsconnected
o lgnition
switch.
ON @
o(
'"IglI
4.8
, 5.2 Repair
the
harness.
@tr-E)
@Harness
side
f-E--Tunit harness
Cgnnector I- b \FStOe COnneCtOr
7FUO666
Checkfor
anopen-circuit,
ora
short-
circuit
toearth
between
the
engine
control
unit
and
the
barometric
pres-
sure
sensor.
o Airflow
sensor
connector:
Dis-
connected
r Engine
controlunit
connector:
Disconnected @Repair
the
harness.
(@tr-E)
-\--\-
--b-
)
)

FUEL - On-vehicleInspection
of MPIComponents 13-13
side Coolant
temperaturesensor
ENGINECOOLANTTEMPERATURE
SENSOR
Enginecontrolunit
Equipment
connector
@
i
t
fI
I
I
I
i
tl
I
I
tl
+
ffi
5V 9FU0106
temperature
sensor
//
\-1 1/
0)
c
(u
.9
a
o
E
Coolant
temperature
Cl)
(o
-o
Coolanttemperature
Engine
controlunitconnector
HARNESS
INSPECTION e9
0(
Check
for
continuity
oftheearth
crrcurt.
. Connector.Drsconnected
Repairthe
harness.
(@tr-@)

13-14 FUEL - On'vehicle
Inspection
of MPIComponents
Harness
stde
conneclor
Repair
the
harness.
(@tr-E)
Measure
the
Power
suPPlY
voltage.
o Connector:Disconnected
o lgnition
swrtch
ON
Voltage
(V)
45 4.9
THROTTLE
POSITION
SENSOR
7 ,,--1 | li i\t
z Throttle
Position @ Equipment
side
connector
@ Harness
side
connector
Engine
control
Engine
control
unit
connector
(o
-o
(o
.E
E
FMinrmum Maxtmum
Throttle
posltlon
sensor
VVA
t* I
* I t
5V
\-t

FUEL - On-vehicle
Inspection
of MPIComponents 13-15
HARNESS
INSPECTION
Repair
the
harness.
@m-E)
j Measure
the
power
supplyvoltageof
thethrottle
posttton
sensor.
o Connector
Disconnected
o lgnition
switch
ON
Voltage
(V)
48 - 5.2
Harness
Checkfor
continuity
oftheearth
circuit
o Connector.
Disconnected @
0( Repair
the
harness.
(@E-@)
Engine
control
unitharness
srdeconnector
Checkfor
anopen
circuit,or
ashort-
circuit
to
earthbetween
theengine
control
unitand
thethrottle
oosition
sensor.
o Throttle
posttton
sensor
connec-
tor;
Disconnected
o Engine
control
untt
connector
Disconnected @
o( Repair
the
harness.
(@
tr- @)