2000 MITSUBISHI MONTERO check engine light

GDI -Troubleshooting 13A-203
ACTUATOR TEST REFERENCE TABLE
Item
No.Inspection
itemDrive ContentsInspection contentsNormal condi-
tionInspec-
tion pro-
cedure
No.Reference
page
01InjectorCut fuel to the
No.1 injector.Engine:
Idling after warming-upIdling condition
becomes differ-Code
No. 4113A-147
02Cut fuel to the
No.2 injector.
(Cut the fuel supply to each
injector in turn and check
cylinders which does notent (becomes
unstable, or the
engine stalls).
03Cut fuel to the
No.3 injector.affect idling.)
04Cut fuel to the
No.4 injector.
05Cut fuel to the
No.5 injector.
06Cut fuel to the
No.6 injector.
07Fuel pump
(low-pres-
sure)Operates the
fuel pump (low-
pressure) to cir-
culate fuel.Ignition
switch:
ONPinch the return
hose with fin-
gers to feel the
pulse of the fuel
being circulated.Pulse is felt.Proce-
dure
No.2913A-193
Operating
sound can be
heard around
the fuel tank.Sound of opera-
tion can be
heard
08Purge con-
trol solenoid
valveSolenoid valve
turns from OFF
to ON.Ignition switch: ONSound of opera-
tion can be
heard when so-
lenoid valve is
driven.Proce-
dure
No.3613A-197
17Basic ignition
timingSolenoid valve
turns from OFF
to ON.DEngine: Idling
DSet a timing light.
5_BTDC--
21Condenser
fanDrive the fan
motorDIgnition switch: ON
DA/C switch: ON
Fan motor runsProce-
dure
No.2113A-187
34Electronic-
controlled
throttle valve
systemStop the throttle
control servoIgnition switch: ONThe throttle
valve opens
slightlyCode
No. 9113A-161


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

GDI -Troubleshooting 13A-206
Terminal
No.Normal condition Check condition (Engine condition) Check item
49Engine control relayIgnition switch: OFF0-3V
Ignition switch: ONSystem voltage
51EGR valve (A)Ignition switch: OFF to ON5-8V
53EGR valve (C)
(Repeatedly changes
for approx. 3 seconds)
60EGR valve (B)
62EGR valve (C)
52Power steering fluid
pressure switchEngine: Idling after
warming-upWhen steering wheel is
stationarySystem voltage
When steering wheel is
turned0-3V
55Barometric pressureIgnition switch: ONAt an altitude of 0 m3.7 - 4.3 V
sensor
At an altitude of 1,200 m3.2 - 3.8 V
56Camshaft position sen-Engine: Cranking0.4 - 3.0 V
sor
Engine: Idling0.5 - 2.0 V
58Ignition switch-STEngine: Cranking8 V or more
61A/C switch 2Refer to GROUP 55 - Troubleshooting (Check at A/C-ECU or Engine-ECU
Terminal).
63Injector open circuit
check signalEngine: Increases from idling up to 4,000 r/minThe voltage decreases
slightly (approx. 0.7 V)
from 4.5 - 5.0 V.
64Intake air temperature
sensorIgnition switch: ONWhen intake air tempera-
ture is 0_C3.2 - 3.8 V
When intake air tempera-
ture is 20_C2.3 - 2.9 V
When intake air tempera-
ture is 40_C1.5 - 2.1 V
When intake air tempera-
ture is 80_C0.4 - 1.0 V
65Air flow sensorEngine: Idling2.2 - 3.2 V
Engine speed: 2,500 r/min
66Backup power supplyIgnition switch: OFFSystem voltage
71Oxygen sensorEngine: Running at 2,500 r/min after warming-up
(Check by using a digital voltmeter.)Voltages of 0 V and 0.8
V alternate


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

GDI -Troubleshooting 13A-207
Terminal
No.Normal condition Check condition (Engine condition) Check item
78Throttle position sen-
sor (2nd channel)Ignition switch: ONRelease the accelerator
pedal.4.0 V or higher
Depress the accelerator
pedal fully.0.4 - 0.6 V
79Accelerator pedal posi-
tion switchIgnition switch: ONRelease the accelerator
pedal.0-1V
Depress the accelerator
pedal slightly.4 V or more
80Vehicle speed sensorDIgnition switch: ON
DMove the vehicle slowly forwardVoltages of 0 and 8 - 12
V alternate (changes
repeatedly)
83A/C switch 1Engine: IdlingA/C switch: OFF0-3V
A/C switch: ON (Com-
pressor is operating)System voltage
86Small lamp switchLighting switch: OFF0-3V
Lighting switch: Tail light positionSystem voltage
87Sensor applied voltageIgnition switch: ON4.5 - 5.5 V
93Fuel pressure sensorEngine: Idling0.3 - 4.7 V
95Accelerator pedal posi-
tion sensor (1st chan-Ignition switch: ONRelease the accelerator
pedal.0.985 - 1.085 V
nel)
Depress the accelerator
pedal fully.4.0 V or higher
98Ignition switch-IGIgnition switch: ONSystem voltage
123Stop lamp switchDepress the brake pedal.System voltage
Release the brake pedal.0-3V


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

DIESEL FUEL <4M4> -Troubleshooting13C-33
Item
No.Reference
page Code No.
or inspec-
tion proce-
dure No. Value to be
determined
as normal Inspection conditions Check item
06Vehicle
speed sen-
sorWhen drivingCompare the engine
speed displayed in the
speed meter with that
in MUT-IIMatchedCode No.
1713C-12
07Engine
speed sen-Engine: CrankingCompare the engine
speed displayed in theMatchedCode No.
1813C-13
sor (backup)Engine: Idlingtachometer with that in
MUT-II
08Engine
speed sen-Engine: CrankingCompare the engine
speed displayed in theMatchedCode No.
2113C-14
sorEngine: Idlingtachometer with that in
MUT-II
09Accelerator
pedal posi-Ignition switch: ONAccelerator pedal:
Idling position0.9 - 1.1VCode No.
1113C-8
tion sensor
(main)Accelerator pedal:
Fully opened position4.1 V or high-
er
10Idle switchIgnition switch: ONRelease the foot from
the accelerator pedal.0-1VCode No.
2313C-15
Step on the accelera-
tor pedal slightly4V or higher
11System volt-
ageIgnition switch: ONSystem volt-
ageProcedure
No. 1913C-31
13Timing con-Engine: After warmingIdling0%*1Code No.13C-16
trol valve*1up the engine2,500 r/min35 - 45%*125 or No.13C-20
High idling20 - 30%*143
14EGR com-
mand valueEngine: Idling0 - 100%*2–-
mand value
Engine: After warming up the engine
17Control
sleeve posi-Engine: After warming
up the engineIdling1.535 -
1.735 VCode No.
2613C-17
tion (target
value)2,500 r/minSlightly de-
creased.
High idling1.884 -
2.084 V
18Actual injec-Engine: After warmingIdling0.65 - 0.85 V––
tion timingup the engine2,500 r/min2.325 -
2.525 V
High idling3.814 -
4.014 V
19InjectionEngine: After warmingIdling0.3 - 0.5 V––
timing com-
mand valueup the engine2,500 r/min2.325 -
2.525 V
High idling3.814 -
4.014 V


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

DIESEL FUEL <4M4> -Troubleshooting13C-34
Item
No.Reference
page Code No.
or inspec-
tion proce-
dure No. Value to be
determined
as normal Inspection conditions Check item
21GE actuatorEngine: After warmingIdling20 - 30%Code No.13C-17
up the engine2,500 r/min20 - 30%26 or No.13C-21
High idling20 - 29%48
22EGR dutyEngine: Idling0 - 100%*2––
valueEngine: After warming up the engine
23Control
sleeve posi-Engine: After warming
up the engineIdling1.535 -
1.735 VCode No.
2613C-17
tion (actual
value)2, 500 r/minSlightly de-
creased.
High idling1.884 -
2.084 V
24Accelerator
pedal posi-Ignition switch: ONAccelerator pedal:
Idling position0.9 - 1.1 VCode No.
2713C-18
tion sensor
(sub)Accelerator pedal:
Fully opened position4.1V or
higher
25Accelerator
pedal posi-Ignition switch: ONAccelerator pedal:
Idling position0%Code No.
2713C-18
tion sensor
(sub)Accelerator pedal:
Fully opened position99 - 100%
NOTE
*1: The opening degree of the timing control valve is converted into percentage. (0%: timer non-advanced angle,
100%: timer maximum advanced angle)
*
2: The opening degree of the EGR solenoid valve is converted into percentage.
Item
No.
Check itemInspection conditionsValue to be
determined
as normalCode No.
or inspec-
tion proce-
dure No.Reference
page
41Idle switchIgnition switch: ON
(check by repeatedRelease the foot from
the accelerator pedal.ON––
accelerator operation)Step on the accelerator
pedal slightly.OFF
43A/C switchEngine: Idling (The
A/C compressorA/C switch: ONON––
should be in operation
when the A/C switch is
“ON”)A/C switch: OFFOFF
44IgnitionIgnition switch: ONEngine: StopOFF––
switch-STEngine: CrankingON
45Ignition
switch-IGIgnition switch: ONON––
46Control
relayIgnition switch: ONON––
47A/C relayEngine: Idling after
warming up the engineA/C switch: OFFOFF (A/C
compressor
clutch not in
operation)––
A/C switch: ONON (A/C
compressor
clutch in op-
eration)


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

MITSUBISHI SC-Troubleshooting13E-15
DATA LIST REFERENCE TABLE
The following ECU input data items can be read using the MUT-
II.
Item
No.Check itemInspection conditionsNormal condition
10Vehicle speedWhen vehicle is being drivenSpeedometer display and
MUT-IIdisplay are identical.
11AcceleratorIgnition switch:Release the accelerator pedal.0.9 - 1.1 V
pedal position
sensorONDepress the accelerator pedal gradually.Increases in response to
pedal depression stroke.
Depress the accelerator pedal fully4.0 V or more
18Power supply
voltageIgnition switch: ONSystem voltage
19Accelerator
pedal positionIgnition switch:
ONRelease the accelerator pedalON
pedal position
switch (Idle
switch)ON
Depress the accelerator pedal slightly.OFF
20Ignition switchIgnition switch: ONON
Ignition switch: OFFOFF
22Front-right
wheel speedWhen vehicle is being drivenSpeedometer display and
MUT-IIdisplay are identical.
28Engine typeVehicles with the 6G74 engine6G74
Vehicles with the 4M41 engine4M41
30Trace controlSC system control is activeON
SC system control is not activeOFF
31Engine specifi-Vehicles with the 6G74 engineDOHC
cation 1Vehicles with the 4M41 engine-
32Engine specifi-Vehicles with the 6G74 engineN/A
cation 2Vehicles with the 4M41 engine-
33Engine specifi-Vehicles with the 6G74 engineMIVEC/ETV
cation 3Vehicles with the 4M41 engine-
35Destination-EC
40Engine speedDepress the accelerator pedal gradually.Tachometer display and
MUT-IIdisplay are identical.
51Inhibitor switchIgnition switch:Selector lever position: PP
ONSelector lever position: RREngine:
stopped
Selector lever position: NN
Selector lever position: DD
52Shift positionSelector lever
position: sportsDriving at a constant speed of 10 km/h in
1st1st
modeDriving at a constant speed of 30 km/h in
2nd2nd
Driving at a constant speed of 50 km/h in
3rd3rd
Driving at a constant speed of 50 km/h in
4th4th
Driving at a constant speed of 70 km/h in
5th5th


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

DIESEL FUEL <4D5-stepIII>-Troubleshooting13E-42
Item
No.Reference
page Code No.
or inspec-
tion proce-
dure No. Value to be
determined
as normal Inspection conditions Check item
25Accelerator
pedal
position
Ignition switch: ONAccelerator pedal:
Idling position0%Code No.
2713E-19
position
sensor (sub)Accelerator pedal:
Fully opened position99 - 100 %
31EGR valve
position
Engine: After warming
uptheengine
Idling under no load2.3 - 3.3 VCode No.
51
13E-25
position
sensor (tar-
get value)upthe engine
Engine is suddenly
racedMomentarily
decreases
(0.3 - 0.7 V)
51
32EGR valve
position
Engine: After warming
uptheengine
Idling under no load2.3 - 3.3 VCode No.
51
13E-25
position
sensor (ac-
tual value)upthe engine
Engine is suddenly
racedMomentarily
decreases
(0.3 - 0.7 V)
51
33Variable
geometry
Engine: After warming
uptheengine
Idling53 - 59 kPaCode No.
52
13E-26
geometry
control pres-
sure sensorupthe engine
Engine is suddenly
racedMomentarily
increases
52
NOTE
*1: The opening degree of the timing control valve is converted into percentage. (0 %: timer non-advanced angle,
100 %: timer maximum advanced angle)
*
2: The opening degree of the EGR solenoid valve is converted into percentage.
Item
No.
Check itemInspection conditionsValue to be
determined
as normalCode No.
or inspec-
tion proce-
dure No.Reference
page
41Idle switchIgnition switch: ON
(check by repeated
acceleratoroperation)
Release the foot from
the accelerator pedal.ONCode No.
2313E-16
y
accelerator operation)Step on the accelerator
pedal slightly.OFF
43A/C switchEngine: Idling (The
A/C compressor
shouldbeinoperation
A/C switch: ONONProcedure
No. 2513E-39
shouldbein operation
when the A/C switch is
“ON”)A/C switch: OFFOFF
44Ignition
ihST
Ignition switch: ONEngine: StopOFF––g
switch-ST
g
Engine: CrankingON
45Ignition
switch-IGIgnition switch: ONON––
46Control
relayIgnition switch: ONON––
47A/C relayEngine: Idling after
warming up the engineA/C switch: OFFOFF (A/C
compressor
clutch not in
operation)Procedure
No. 2513E-39
A/C switch: ONON (A/C
compressor
clutch in
operation)


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk

DIESEL FUEL <4D5-stepIII>-Troubleshooting13E-47
Terminal
No.Normal condition: Inspection conditions (engine status) Check item
21A/C relayA/C switch: OFF→ONSystem voltage→0-1
V
31Idle switchIgnition switch: ONRelease the foot from the
accelerator pedal.0-1V
Step on the accelerator
pedal slightly3 V or higher
32A/C switchA/C in operation (compressor in operation)System voltage
36Selector switch
between A/T and M/TIgnition switch: ONSystem voltage (M/T)
46Control relayIgnition switch: ON0-1V
Ignition switch: ON→OFF (in about 8 seconds)System voltage
51Pump speed sensorEngine: Idling (Use a digital voltage meter to check.)0V↔5V
(repeat the change)
55Accelerator pedal
position sensor (sub)Ignition switch: ONAccelerator pedal: Idling
position0.9 - 1.1 V
Accelerator pedal: Fully
opened position3.7 V or higher
60Sensor power supplyIgnition switch: ON4.6 - 5.4 V
71Ignition switch-STEngine: Cranking8 V or higher
80Back-up power supplyIgnition switch: OFFSystem voltage
81Power supply to accel-
erator pedal position
sensor (main)Ignition switch: ON4.6 - 5.4 V
82Ignition switch-IGIgnition switch: ONSystem voltage
83Engine coolant tem-
perature sensorIgnition switch: ONEngine coolant
temperature: 0_C3.7 - 4.3 V
Engine coolant
temperature: 20_C2.8 - 3.4 V
Engine coolant
temperature: 40_C1.9 - 2.5 V
Engine coolant
temperature: 80_C0.6 - 1.2 V
84Accelerator pedal posi-
tion sensor (main)Ignition switch: ONAccelerator pedal: Idling
position0.9 - 1.1 V
Accelerator pedal: Fully
opened position3.7 V or higher
85Boost pressure sensorIgnition switch: ON (101 kPa)1.0 - 1.4 V
86Vehicle speed sensorDIgnition switch: ON
DMove the vehicle forward slowly0V↔8 - 12 V
(repeat the change)
87Fuel temperature sen-
sor
Ignition switch: ONFuel temperature: 0_C3.2 - 3.6 V
sorFuel temperature: 20_C2.3 - 2.7 V
Fuel temperature: 40_C1.5 - 1.9 V
Fuel temperature: 80_C0.4 - 0.8 V


www.WorkshopManuals.co.uk


Purchased from www.WorkshopManuals.co.uk