1991 MITSUBISHI ECLIPSE Service Manual

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 - Troubleshooting14-13
3-BW
COMBINATION
CJa
C-69
-1
c
C-6;
SUB FlLINK(
cQ
C-65 6L
7 3
69
10A
6
14
>
18
0
iz
_---.
13
SIBLE
l-47 loB
Q
l1
'Tc?
--I2 c-50
pil!Ezq:
I
1
I
E
.I
; A-22
1
;&&CATED
C-64
'12 C-58
ON+OFF:21OkPa@OPsI)
%iEi33lmOWOFF:
g#~~p384"8l~
21OOkPaC29BPsl)

FUEL SYSTEM - Troubleshootina
MPICONTROLRELAY
k%sEiow
A-36
INMKR AIRAIRnormmcR RRRew
\/\/\/ \/ \/"3"5"4 "6 “13
sc3m -sd
.02 C-64
MPICONTROLUNIT
MOTORW3P;;ONIDLESWITCHBE"&@-j@"T f#nibi
B-03SENSORB-30B-02
=y-Qgg&q/Y[81
j-1
H
EGR;;i;;;ATURE
(VEHICLES FORCALIFORNIA)
B-06 m
KX35-AC-U0614A-NC

FUEL SYSTEM - Troubleshooting14-15
MPICONTROLRELAY
F EGR CONTROLSOLENOIDi VALVEd
'W CLES
”
1 CALIFORNIA)
I :‘, lo-16
xEDI
2
r3
.&
-L
,
8,
P
1
-.--I3
I1.--3
I--
12
al-62
A-47
SELFDIAGNOSISu
,.
1
B-26
@12
OXYGEN= SENSOR
cz1
B-04
Em
IDLE SPEED
CONTROL
ACTUATOR POWER
i;EERING
F'tF=;;RE
B-17 D

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 - Troubleshooting
INHIBITORSWITCHIGNITIONSWITCHtIGl)MALI:-
JSIBLE
FF- 0
I
;;;bKPUMP
:ONNECTOR
MPICONTROL
RELAY
J
1
3J
3
6
t?N
09----
ca
c:
C-64
c1r
6 C-6508,__-__--____--____-_-------------
KXIS-AC-UOSlSA-NC

14-18FUEL SYSTEM - Troubleshooting
SUBLINSIBLE1
aLTc:
@
10A7
C-67!sIsd
3I
1
I/t
I
I
d
103C-64C-65.,65AIR CONDITI
CONTROL UN1ONERT
) c-12 :AEiEiEl
2 C-58
ONiOFF:210kPa(30Dsl)
8%&33,, I 1
ONiOFF:2700kPa (334~~1)
%3fffA (2QQP.Y I )
4-SPEED
AUTOMATIC
TRANSAXLE
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