Mitsubishi Outlander (2003+). Manual - part 106

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-287

Data List Reference Table

M1131152000735

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

11

Oxygen 
sensor (front)

Engine: After 
warm-up (leaner 
by deceleration, 
richer by 
acceleration)

Excessive 
deceleration from 
4,000 r/min

200 mV or less

Code No. 
P0130

3

13A



At excessive 
acceleration

600 

-

 1,000 mV

Engine: After 
warm-up (using 
oxygen sensor, 
check air-fuel 
ratio as well as 
control status by 
engine-ECU.

Idle operation

400 mV or less 

À

 600 

-

 1,000 

mV (altered)

2,500 r/min

12

Air flow 

sensor *

1

œ

Engine coolant 
temperature: 
80 

-

 95

•

C

œ

Lamps, electric 
cooling fan and 
all 
accessories: 
OFF

œ

Transmission: 
Neutral

Idle operation

16 

-

 24 Hz

-

-

2,500 r/min

72 

-

 112 Hz

Acceleration

According to 
acceleration, 
frequency is 
amplified.

13

Intake air 
temperature 
sensor

Ignition switch: 
“ON” or engine 
running

Intake air 
temperature: 

-

20

•

C

-

20

•

C

Code No. 
P0110

3

13A



Intake air 
temperature: 0

•

C

0

•

C

Intake air 
temperature: 20

•

C

20

•

C

Intake air 
temperature: 40

•

C

40

•

C

Intake air 
temperature: 80

•

C

80

•

 C

14

Throttle 
position 
sensor

Ignition switch: 
“ON”

Set to Idle position

535 

-

 735 mV

Code No. 
P0120

3

13A



Release accelerator 
pedal gradually

Increased 
according to 
accelerator pedal 
stroke

Release accelerator 
pedal fully

4,500 

-

 5,000 

mV

16

Power supply 
voltage

Ignition switch: “ON”

System voltage

Procedure 
No. 23

3

13A



TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-288

18

Cranking 
signal 
(ignition 
switch-ST)

Ignition switch: 
“ON”

Engine: Stopped

OFF

Procedure 
No. 23

3

13A



Engine: Cranking

ON

21

Engine 
coolant 
temperature 
sensor

Ignition switch: 
“ON” or engine 
running

Coolant temperature: 

-

20

•

C

-

20

•

C

Code No. 
P0115

3

13A



Coolant temperature: 
0

•

C

0

•

C

Coolant temperature: 
20

•

C

20

•

C

Coolant temperature: 
40

•

C

40

•

C

Coolant temperature: 
80

•

C

80

•

C

22

Crank angle 
sensor

œ

Engine: 
Cranking

œ

Tachometer: 
Connected

Compare engine 
speed on tachometer 
with the value 
displayed on MUT-II

Matched

Code No. 
P0335

3

13A



Engine: Idle 
operation

Coolant temperature: 

-

20

•

C

1,100 

-

 1,300 

r/min

Coolant temperature: 
0

•

C

1,100 

-

 1,300 

r/min

Coolant temperature: 
20

•

C

1,100 

-

 1,300 

r/min

Coolant temperature: 
40

•

C

940 

-

 1,140 r/min

Coolant temperature: 
80

•

C

650 

-

 850 r/min

25

Barometric 
pressure 
sensor

Ignition switch: 
“ON”

Altitude: 0m

101 kPa

Code No. 
P0105

3

13A



Altitude: 600m

95 kPa

Altitude: 1,200m

88 kPa

Altitude: 1,800m

81 kPa

27

Power 
steering fluid 
pressure 
switch

Engine: Idle 
operation

Steering wheel: Not 
operated

OFF

Code No. 
P0551

3

13A



Steering wheel: 
Operated

ON

28

A/C switch

Engine: Idle

AC switch: OFF

OFF

Procedure 
No. 26

3

13A



AC 
switch: 
ON

A/C 
compressor 
is not driven

OFF

A/C 
compressor 
is driven

ON

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-289

37

Volumetric 
efficiency

œ

Engine coolant 
temperature: 
80 

-

 95

•

C

œ

Lamps, electric 
cooling fan and 
all 
accessories: 
OFF

Idel operation

13 

-

 33 %

-

-

2,500 r/min

12 

-

 32 %

Excessive 
acceleration

According to 
acceleration, 
volumetric 
efficiency is 
increased.

3A

A/C pressure 
sensor

œ

After engine 
warm-up, idle 
operation

œ

A/C switch: ON

A/C in MAX COOL 
state (under high 
load)

2,200 mV or 
more

Procedure 
No. 29

3

13A



A/C in MAX HOT 
state (under low load)

1,800 mV or less

41

Injectors *

2

Engine: Cranking

Coolant temperature: 
0

•

C (all cylinders in 

simultaneous 
injecting operation)

5.6 

-

 8.4 ms

-

-

Coolant temperature: 
20

•

C

5.6 

-

 8.4 ms

Coolant temperature: 
80

•

C

5.6 

-

 8.4 ms

Injectors*

3

œ

Engine coolant 
temperature: 
80 

-

 95

•

C

œ

Lamps, electric 
cooling fan and 
all 
accessories: 
OFF

œ

Transmission: 
Neutral

Idle operation 

2.0 

-

 3.2 ms

2,500 r/min

2.2 

-

 3.4 ms

Excessive 
acceleration

Increased

44

Ignition 
advance

œ

Engine: After 
warm-up

œ

Install timing 
light (for use to 
measure 
actual ignition 
timing)

Idle operation

2 

-

 18

•

BTDC

Procedure 
No. 30

3

13A



2,500 r/m

18 

-

 38

•

BTDC

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-290

45

ISC (stepper 
motor) servo 

position*

4

œ

Engine coolant 
temperature: 
80 

-

 95

•

C

œ

Lighting, 
electric cooling 
fan and 
accessories: 
OFF

œ

Transmission: 
Neutral

œ

Engine: Idle 
operation 
(When A/C 
switch is ON, 
A/C 
compressor 
must be ON)

A/C switch: OFF

2 

-

 25 steps

-

-

A/C switch: OFF 

“

 

ON

Increased 10 

-

 

70 steps

49

A/C relay

Engine: After 
warm-up, idle 
operation after 
warm-up

A/C switch: OFF

OFF 

Procedure 
No. 27

3

13A



A/C 
switch: 
ON

A/C 
compressor 
is not driven

OFF 

A/C 
compressor 
is driven

ON

59

Oxygen 
sensor (rear)

Engine: After 
warm-up

At excessive 
acceleration

0 mV or less 

À

 

600 - 1,000 mV 
(altered)

Code No. 
P0136

3

13A



12 

*

5

Air flow 
sensor

œ

Engine coolant 
temperature: 
80 

-

 95

•

C

œ

Lamps, electric 
cooling fan and 
all 
accessories: 
OFF

œ

Transmission: 
Neutral

Idle operation

0.9 

-

 4.9 gm/s

-

-

2,500 r/min

7.2 

-

 13.2 gm/s

Acceleration

According to 
acceleration, 
frequency is 
amplified.

Item 
No.

Inspection 
item

Inspection condition

Normal 
condition

Inspection 
procedure 
No.

Reference 
page