1991 MITSUBISHI ECLIPSE engine

CONTROL FUNCTIONS
<1.8L Engine>
NWEEE- -
FunctionAir-fuelIgnitionIdleAir con-FuelPurgeEGRmixture
timingspeedditionercontrol
controlcontrolpower“d”,i2controlcontrol
relaycontrol
Functional elements
control
In-Power supplyXXXXXXX
Put(Ignition switch coupled)
Power supply (battery backup)
XXXXXXXAir flow sensor
XXXX
lgnitron switch ST terminalXXX(start srgnal)Power
steenng oil pressure switchX
Jut- InjectorXlutIdle speed control servoXPower transistor
X
Arr conditioner power relayX
Control relayX
Purge control solenord valveX
EGR control solenoid valveX
NOTE*:
FUEL SYSTEM - Troubleshooting

FUEL SYSTEM - Troubleshootina
<2.0LDOHC Engine>
FunctronArr-fuellgnrtronIdleAir con-
FuelFuel
PurgeEGRmixturetimrng
speeddrtronerpump pressureaircontrc
controlcontrol
controlpowerdrivecontrol
control
relaycontrol
Functronal elementscontrol
InPower supplyXXXXXXXXPut(ignrtron switch coupled)
Power supply (battery backup)
Ix Ix Ix lx lx lx lx Ix
Top dead center sensorI xXI
1 Crank angle sensorIxlxIxIxIxI lxlx
Oxygen sensorI x I
Vehrcle speed sensor
Air conditioner switch
XX
XX”XPower steering
011 pressure switchXIDetonation sensor
lgnrtron switch
X
XXX
lgnrtron switch ST terminalXXX
lnhibrtor switch XXX”
)ut-InjectorXutResistor X
Idle speed control servoX
Power transistorI 1x1 I I I I I
Arr condrtroner power relay
Control relay
Fuel pressure control valve
Purge control solenord valve
X
X
X
X
EGR control solenoid valveX
NOTE*:

FUEL SYSTEM - Troubleshootinn
MPI CIRCUIT1.8L
Engine
VSIBLE3ST1REI--
IGNITIONSWITCHtIGl)
c-59
12s
m458
j;WKPUMP
:ONNECTOR
IGNITIONCOIL
ISTOR
CRANK ANGLAND TOP DE!iDCENTER SENSOR
\/---DISTRIBUTOR5ASSEMBLY
'pcuc
n
,L)‘E
;
6
b
E-
5
5
08 C-64/1
tci3j4
I21
------
-.Vr
MPICONTROLRELAY
r
I
h
Lkn
39‘---,
i
lsil12
iz;.
c-65a-66
135-AC-U0514-NC

FUEL SYSTEM - Troubleshootina
1.8L Engine
IGNISWIlIGNISWITJN(IGl)
3-BW
7
7
6
14
1
>
8
l-6'31
;4
i COMBINATION
30
c!
lEfBl
I 2 a C-59,4669@
IGNITION
COIL
7-POWER_ TRANSISTORFCRANK ANGLE
1-63
422 C-66
k8
104 C-64
MPl_-._ -CONTROLUNIT
35AC-U0515-NC

FUEL SYSTEM - Troubleshooting14-21
2.0L DOHC Engine (Non-Turbo)-_
., .
;ER
-
MAIN
LINK
rt*;&,I
I
Ia
IrnI CLI
I
I
II
II
II m$IIIII
1
E-69
@12
FUEL PUMP~#KPUMP
CONNECTOR
I- 2
m
4.l
d
El
MPICONTROL
UNIT
X36-AC-UOSlB-NC

14-22FUEL SYSTEM - Troubleshooting
IGNISW11
:c
c
30
C-------3
CiG
3
a
I
tir
------_
ON(IGl)
3-BW
7
1
J/B
c-45
ENGINE SPEED
ADJUSTMENT
CONNECTOR
1
IGNITION
1-COIL
-J
ION
B-15
r-+c
1
3
ia
3
6
5
c!P
C-69
7
19
54.------.
l--3
5
r3COMBINATIONMETER(TACH0‘
10------ ------09

FUEL SYSTEM - Troubleshootinn
-.
_-
AIR FLOW SENSORr
INTAKK AlN AlNTENPERAIURE PLOUEENBOR BENBORA-36
q_-____-____--_ -----------5
T
14
c
----.19
Ic
21
lfl
2ON3OFF
Y
IDLESWITCH=4 EGR TEMPERATURE ENGINETHROTTLE
fi %i%kES FORPOSITION
CALIFORNIA)
B-08 mB-30 I
Ia
{mc
B-05
mPOWER
STEERING OIL
Pl?l?f;#RE
KX35-AC-UOBlBA-NC