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