1989 MITSUBISHI GALANT engine coolant
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13-200FUEL SYSTEM
*l Heated oxygen sensor‘2 Volume air flow sensor*3 Intake air temperaturesensor‘4 Throttle position sensor‘5 Closed throttle positionswitch
*6
Camshaft posrtion sen-
sor
‘7 Crankshaft posrtion sen-
sor
‘8 Barometric pressuresensor “9
Engrne coolant temper-
ature swatch (for coolercut-off)
‘10 Knock sensor‘1 1Engien coolant
tem-perature sensorl lgnitton switch STl Power supplyl Vehicle-speed sen-sor. Arr conditioning
switch
l Power steeringpressure switch
Volume arrflow sensor
l 6
* 1 Injector. Fuel pump Control*2 Ignition coil (Low-(Multiport fuel injec-
voltage power-dis-tion relay)
tribution type) l Air conditioning com-
*3 Idle air control motor
pressor
clutch relay*4 Evaporative emis-
. Ignition timing control
sion purge solenoid l On-board diagnostic
*5 Fuel pressure sole-outputnoid. Check enginelmal-*6 Turbocharger wastegate solenoidf;r$ion indicator
EVAP canisterA
Throttle
9 Engine coolant temp. switch
Thermal VaCUUm valve
b;~ype; waste e-5 /I\- I”-
Catalyw converter
Vacuum hose color
G: Green
L: Light blue
R: RedY: Yellow
B: Black
W:
White
6FU1597
PCV: Positive CrankcaseVentilationFIAV Fast Idle Air Valve
I
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Page 343 of 1273
FUEL SYSTEM
I-
‘1 Heated oxygen sensor
‘2 Volume air flow sensor‘3 Intake arr temperature
sensor
‘4 Throttle position sensor
“5 Closed throttle position
switch
‘6 Camshaft position sen-
sor‘7 Crankshaft positron sen-sor‘8 Barometric pressure
sensor
‘9
Engrne coolant temper-
ature switch (for cooler
cut-off)
ArrInlet
lntaltern1
Volume airflow sensor
‘IO Knock sensor
‘11 EGR temperature sen- sor
‘12 Engien coolant tem- perature sensor
l Ignition switch ST
l Power supply
l Vehicle-speed sen- sor
l Air conditroningswitch
l Power steering pressure
swatch
Throttle
Charge air cooler posmon
sensor\\
*I Injector*2 Ignition coil (Low-
voltage power-dis-
tribution type)
*3 Idle air control moto*4 Evaporative emis- sion purge solenoid
*5 EGR solenoid*6 Fuel pressure sole-noid*7 Turbocharger waste
gate solenoid l Fuel pump control
(Multiport fuel injec-
tion relay)
l Air conditioning com- pressor clutch relay
l Ignition timing control
l On-board diaanostic
output
-l Check enginelmal-
function indicator
lamp
EVAxniy
&0
rurge controll 3ld,le,~ir control motor valve
,n/Evaporatrveemrssron
\tcln-^- temp. sensor
,Ir I-, . -,
sensor
7 ’ <‘I+c 1 Camshaft
Crankshaft1p”3111”I I
position sensorsensor
it
temp SWl,Ch\ -Vacuum hose color
t
WV:0 Knock sensor$bgha;ge;zte //
Catalyuc converter
G: Green
L: Light blue
R: RedY: Yellow
B: Black
PCV: Positive Crankcase
VentilationW: White
FIAV: Fast Idle Air Valve6FU1598
SPECIFICATIONS
GENERAL SPECIFICATIONSM13CA-A
Items
Fuel
Tank capacity
Return system
Filter
Fuel pump Type
Driven by Specifications
dm3 (gal.)
60 (15.9)
62 (16.4)
Equipped
High pressure type
Electrical, in-tank type
Electric motor
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Page 344 of 1273
13-202FUEL SYSTEM
Throttle body Throttle bore
Throttle position sensor idle
air control motor
Closed throttle position switch
Engine control module Identification model No.
mm (in.) 60 (2.362) Variable resistor type
Stepper motor type The stepper motor type by-pass air COntrOl
system with the Fast
Idle Air Valve (FIAV)
Contact switch type E2T33375:
FWD”,
E2T36 17 1: FWD’2E2T36 18 1: FWD.3, E2T37372: FWDe4 E2137380:
FWDa5E2T36 178: AWD-Non-Turbo’2 E2T37374:
AWD-Non-Turboe4 E2T37382:
AWD-Non-Turbo*5 E2T37378:
AWD-Turbo’4 E2T33373:
FWD”.
E2T36175: FWDe2E2T36 180: FWD’3, E2T3737 1: FWDa4 E2T37379:
FWD’SE2T36 177: AWD-Non-Turbo’2 E2T37373:
AWD-Non-Turbo’4 E2T37381:
AWD-Non-Turbo’5 E2T37377:
AWD-Turbo*4
Sensors
Volume air flow sensor Karman vortex type
Barometric pressure sensor Semiconductor diffusion-type
Intake air temperature sensor
Thermistor type
Engine coolant temperature sensor Thermistor type
Heated oxygen sensor Zirconia sensor
Vehicle-speed sensor Reed switch type
Knock sensor
Camshaft position sensor Photo interrupter type
Crankshaft position sensor Photo interrupter type
EGR temperature sensor
Power steering pressure switch Contact switch type
Actuators
Multiport fuel injection relay type Contact switch type
Injector type and number Electromagnetic, 4
Injector identification mark B240H:
Non-Turbo*1**2.*3
N240H:
Non-Turbo*4,*5B450L: Turbo*4**5
Evaporative emission purge solenoid ON/OFF type solenoid valve
EGR solenoid
Fuel pressure solenoid
Turbocharger waste gate solenoid
Fuel pressure regulator Regulated pressure
kPa (psi)
NOTEl l: <1989 models>, l 2: <1990 models>, ‘3: <1990.5 models>,l 4:
<1991 models>, l 5:
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Page 345 of 1273
FUEL SYSTEM
iERVlCE SPECIFICATIONS
Items
Basic ignition timing
Curb idle speed rpm
Idling rpm when air conditioning ON
vm
Basic idle speedrm
Throttle position sensor adjustment voltageV
Throttle position sensor resistance kQ
Idle air control motor (stepper motor) coil resistance a
Intake air temperature sensor resistance kQ
Engine coolant temperature sensor resistance
kS2
20°C (68°F)
80°C (176°F)
Fuel pressurekPa (psi)
Vacuum hose disconnection
Vacuum hose connection
Injector coil resistance a
Qel hose insertion distance mm (in.)
TORQUE SPECIFICATIONS
Ml3CGA
m13caA
Specifications
5”
f 2”BTDC at curb idle
750
+ 100: Non-Turbo800? 100: Turbo
850 at neutral position 700 at
D range
750 & 50:Non-Turbo800 + 50:Turbo
0.48-0.52 at curb idle
3.5-6.5
28-33 [at
20°C (68”F)l
2.7 [at 20°C (68”F)j
2.5
0.3
330-350 (47-50) at curb idle
250-270 (36-38) at curb idle
Approx. 270 (38) at curb idle Approx. 190 (27) at curb idle
13-16 [at
20°C (68”F)]
2-3 [at 20°C (68”F)]
25-30 (1 .o- 1.2)
Items
Heated sensor oxygen
Engine coolant temperature sensor
Throttle position sensor attaching screws
Idle air control motor attaching screws
Fuel rail mounting bolts
High-pressure fuel hose to fuel rail
Fuel pressure regulator to fuel rail
Throttle body mounting bolts and nuts
Accelerator cable adjusting bolts Fuel tank drain plugElectrical fuel pump
Fuel tank mounting bolt
Fuel unit mounting screw
s
gaugeHigh pressure hose to electrical fuel pump
High pressure hose to fuel main pipe
Fuel main pipe to fuel filter
Eye bolt
TSB Revision Nm
ft.lbs.
40-5030-36
20-4015-29
1.5-2.51.1-1.8
2.5-4.5
1.8-3.3
IO-137-
9
4-6 3-4
8-106-
7
15-22
11-6
4-
6
3-4
17-26 12-19
1-2.7-1.4
21-3115-22
2-
3
1.4-2.2
30-4022-29
30-4022-29
30-4022-29
25-3
5
18-25
Page 346 of 1273
13-204FUEL SYSTEM
Items
Fuel filter mounting bolts
Fuel pipes
clip attaching bolt
Nmft.lbs.
9-1
4
7-10
9-1
4
7-10
SEALANTMlJCE-A
IItems1 Specified sealantI
Engine coolant temperature sensor threaded portion
Fuel tank hole cover
3M
NUT locking No.4171 or equivalent
3M
ART Part No.8626
or 3M
Adhesive EC-5310 or
equivalent
SPECIAL TOOLS
MlBDA-A
NameI IISP OPTIONAL:
AVAI
(For the number, refer to GROUP
OO-Precautions before service.
NOTE *I:
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Page 347 of 1273
FUEL SYSTEM
Check engine/malfunctionindicator lamp6w.0093
TROUBLESHOOTINGM13EBADa
EXPLANATION O
F
PROCEDURES
Refer to P.13-8.
TROUBLESHOOTING
EXPLANATION AND PRECAUTION RELATED
TO HARNESS CHECKING
Refer to
P.13-9.
ft&;K ENGINE/MALFUNCTION INDICATO
R
Among the on-board diagnostic items, a check engine/mal-
function indicator lamp comes on to notify the driver of the
emission control items when an irregurality is detected. However, when an irregular signal returns to normal and the
engine control module judges that it has returned to normal,
the check engine/malfunction indicator lamp goes out. Moreover, when the ignition switch is turned off, the light goes
out. Even if the ignition switch is turned on again, the light does
not come on until the irregularity is detected. Here, immediately after the ignition switch is turned on, the
check engine/malfunction indicator lamp is lit for 5 seconds to
indicate that the check engine/malfunction indicator lamp op-
erates normally.
ITEMS INDICATED BY THE CHECK ENGINE/
MALFUNCTION INDICATOR LAMP
Engine control module
Heated oxygen sensor
Volume air flow sensor
Intake air temperature sensor
Throttle position sensor
Engine coolant temperature sensor
Crankshaft position sensor
Camshaft position sensor
Barometric pressure sensor
Knock sensor
Injector
Fuel pump
EGR
Ignition coil, Ignition power transistor unit
CHECK ENGINE/MALFUNCTION INDICATOR LAMP INSPECTION
(1) Check to be sure, when the ignition switch is set to the “ON” position, that the lamp illuminates for about five sec-
onds and then switches OFF.
(2) If the lamp does not illuminate, check for damage or dis-
connection of the harness, or for a blown fuse or a failed
light bulb.
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FUEL SYSTEM
No.
14
Diagnostic trouble code On-board
Output signal pattern diagnostic
item Check item (Remedy)
Memory
Throttle l Harness and connector Retained
:-
position
l Throttle position sensor
sensor l Closed throttle position switch
12A0104
21Engine
l Harness and connector Retained
:nn
coolant
l Engine coolant temperature
temperature sensor
sensor 12A0107
22Crankshaft
l Harness and connector Retained
:nn
position
(If harness and connector are
sensor normal, replace crankshaft
position assembly.) 12A0107
23Camshaft
position
sensor l Harness and connector
(If harness and connector are
normal, replace crankshaft
position assembly.) Retained 12A0107
I
24
25Vehicle l Harness and connector Retained
Hspeed
sensor (reedl Vehicle speed sensor (reed
Lswitch)
switch)
12A0107-.
Barometric
l Harness and connector Retained
H
ULJuuuvl
pressure
(If harness and connector are
sensor normal, replace barometric
Lpressure sensor assembly.) 12A0107
31Knockl Harness and connector
Retained
:-
sensor
12RO468from 1992
models>
Injector l .Harness and connector
l Injector coil resistance Retained
12AO105I
12Fuel pump
l Harness and connector Retained
Hl Multiport fuel injection relay
Luuul I-Ill
12AO105I
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Page 351 of 1273
FUEL SYSTEM
agnostic On-boardtroublediagnosticode No.item
Diagnostic content
Major causeRemarks (trouble
phenomenon, etc.)
13Intake air (1) The signal voltage of the
(1) The intake air temperature l Slightly impropertemperatu-intake air temperature
sensor is troubled.driveability*re sensorsensor is 4.5V or higher.(2) Open-circuit, short-circuit or l At high
(2) The signal voltage of the improper connector contacttemperatures,
intake air temperature occurs in the air intake
(a) Improper start*
sensor is
0.27V or lower. temperature sensor circuit. (b)Unstable
idling’
(3) The engine control module is
troubled.
14Throttle
position
sensor (1) The signal voltage of the
(1) The throttle position sensor is l Slightly improper
throttle position sensor is troubled or improperly acceleration
0.2V or lower.adjusted.
(2) Though the closed throttle (2) Open-circuit, short-circuit or l Improper
position switch is on, the improper connector contact driveability
signal voltage of the occurs in the throttle position
throttle position sensor is
sensor circuit. l Engine stop2V or higher.
(3) The closed throttle position l Engine stop
switch ON is troubled.
(4) The closed throttle position l Racing is
switch signal line is impossible
short-circuited.
(5) The engine control module is
troubled.
21Engine(1) The signal voltage of the (1) The engine coolant During cold weather,
coolant engine coolant temperature sensor is troubled.
l Starting is
temperatu-temperature sensor is(2) Open-circuit, short-circuit or
impossible.*re sensor4.6V or higher.improper connector contact l Unstable idling*
(2) The signal voltage of the occurs in the engine coolant0 Improper
engine coolant temperature sensor circuit.
acceleration*
temperature sensor is (3) The engine control module is
0.1 1 V or lower.troubled.
‘(3) During engine warming-up, the engine
coolant temperature
sensor signal indicates
that the engine coolant
temperature drops.
22Crankshaft Though the engine is cranking (1) The crankshaft position sensor
l Engine s,tOp
position4 seconds or more, the signal is troubled.0 Starting Is
sensor
voltage of the crankshaft (2) Open-circuit, short-circuit or
impossible.
position sensor does not vary improper connector contact
(to be high/low). occurs in the crankshaft
position sensor circuit.
(3) The engine control module is
troubled.
23Camshaft Though the engine is running,
(1) The camshaft pOSitiOn
Sensor iSl Engine stoP*position the signal voltage of the troubled.
sensor camshaft position sensor does
(2) Open-circuit, short-circuit or
not vary (to be high/low). improper connector contact
occurs in the camshaft position
sensor circuit.
(3) The engine control module is
troubled.
24Vehiclespeed
sensor
(reed
switch) During acceleration of engine
(1) The vehicle speed sensor is The engine
revolution speed of 3,000 rpm troubled.sometimes cuts off
or more, the signal voltage of (2) Open-circuit, short-circuit or when stopping after
the vehicle speed sensor does improper connector contact
deceleration.
not vary (to be high/low). occurs in the vehicle speed
sensor circuit.
(3) The engine control module is
troubled.
II1 TSB RevisionI
c