Mitsubishi Montero (2004+). Manual — part 368

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-959

INJECTO
R BNK1

47

Injectors bank
1 (right)*

2

Engine:
cranking

When engine
coolant
temperature is
0

°C (32 °F)

100

− 160

mS

−

−

When engine
coolant
temperature is
20

°C (68 °F)

37

− 67 mS

When engine
coolant
temperature is
80

°C (176 °F)

9.5

− 11.5

mS

Injectors bank
1 (right)*

3

• Engine

coolant
temperature
: 80

− 95°C

(176

−

203

°F)

• Lights,

electric
cooling fan
and all
accessories
: "OFF"*

6

• Transmission

: "P" range

Engine is idling 2.2

− 3.4

mS

2,500 r/min

2.0

− 3.2

mS

When engine
is suddenly
revved

Increases

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPEC-
TION
PROCE-
DURE NO.

REFE-
RENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-960

INJECTO
R BNK2

41

Injectors bank
2 (left)*

2

Engine:
cranking

When engine
coolant
temperature is
0

°C (32°F)

100

− 160

mS

−

−

When engine
coolant
temperature is
20

°C (68°F)

37

− 67 mS

When engine
coolant
temperature is
80

°C (176°F)

9.5

− 11.5

mS

Injectors bank
2 (left)*

3

• Engine

coolant
temperature
: 80

− 95°C

(176

−

203

°F)

• Lights,

electric
cooling fan
and all
accessories
: "OFF"*

6

• Transmission

: "P" range

Engine is idling 2.2

−

3.4mS

2,500 r/min

2.0

−

3.2mS

When engine
is suddenly
revved

Increases

LONG
TRIM B1

81*

5

Long-term fuel
trim (trim) bank
1

Engine: warming up, 2,500
r/min without any load (during
closed loop)

−12.5 to

12.5%

Code No.
P0171,
P0172

P.13A-367

,

P.13A-375

LONG
TRIM B2

83*

5

Long-term fuel
trim (trim) bank
2

Engine: warming up, 2,500
r/min without any load (during
closed loop)

−12.5 to

12.5%

Code No.
P0174,
P0175

P.13A-381

,

P.13A-389

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPEC-
TION
PROCE-
DURE NO.

REFE-
RENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-961

MAP
SENSOR

95

Manifold
absolute
pressure
sensor

• Engine

coolant
temperature
: 85

− 95 °C

(185

−

203

°F)

• Lights,

electric
cooling fan
and
accessories
: "OFF"

• Transaxle:

"P" range

• Ignition

switch: "ON"

Engine
stopped [At
altitude of 0 m
(0 ft.)]

101 kPa
(29.8
in.Hg)

Code No.
P0106,
P0107,
P0108

P.13A-51

,

P.13A-68

,

P.13A-84

Engine
stopped [At
altitude of 600
m (1,969 ft.)]

95 kPa
(28.1
in.Hg)

Engine
stopped [At
altitude of
1,200 m (3,937
ft.)]

88 kPa
(26.0
in.Hg)

Engine
stopped [At
altitude of
1,800 m (5,906
ft.)]

81 kPa
(23.9
in.Hg)

Engine: idling

16

− 36

kPa (4.7

−

10.6 in.Hg)

When engine
is suddenly
revved

Increase

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPEC-
TION
PROCE-
DURE NO.

REFE-
RENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-962

MAP/MD
P
SENSOR

32*

5

Manifold
absolute
pressure
sensor

• Engine

coolant
temperature
: 85

− 95°C

(185

−

203

°F)

• Lights,

electric
cooling fan
and
accessories
: "OFF"

• Transaxle:

"P" range

• Ignition

switch: "ON"

Engine
stopped [At
altitude of 0 m
(0 ft.)]

101 kPa
(29.8
in.Hg)

Code No.
P0106,
P0107,
P0108

P.13A-51

,

P.13A-68

,

P.13A-84

Engine
stopped [At
altitude of 600
m (1,969 ft.)]

95 kPa
(28.1
in.Hg)

Engine
stopped [At
altitude of
1,200 m (3,937
ft.)]

88 kPa
(26.0
in.Hg)

Engine
stopped [At
altitude of
1,800 m (5,906
ft.)]

81 kPa
(23.9
in.Hg)

Engine: idling

16

− 36

kPa (4.7

−

10.6 in.Hg)

When engine
is suddenly
revved

Increase

PSP
SWITCH

27

Power steering
pressure
switch

Engine: idling

Steering wheel
stationary

OFF

Code No.
P0551

P.13A-657

Steering wheel
turning

ON

SHORT
TRIM B1

82*

5

Short-term fuel
trim (trim) bank
1

Engine: warming up, 2,500
r/min without any load (during
closed loop)

−12.5 to

12.5%

Code No.
P0171,
P0172

P.13A-367

,

P.13A-375

SHORT
TRIM B2

84*

5

Short-term fuel
trim (trim) bank
2

Engine: warming up, 2,500
r/min without any load (during
closed loop)

−12.5 to

12.5%

Code No.
P0174,
P0175

P.13A-381

,

P.13A-389

SYS.
STATUS
B1

88*

5

Fuel control
system status
bank 1 (right)

Engine:
warming up

2,500 r/min

Closed
loop

Code No.
P0134

P.13A-202

When engine
is suddenly
revved

Open loop
− drive

condition

SYS.
STATUS
B2

89*

5

Fuel control
system status
bank 2 (left)

Engine:
warming up

2,500 r/min

Closed
loop

Code No.
P0154

P.13A-302

When engine
is suddenly
revved

Open loop
− drive

condition

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPEC-
TION
PROCE-
DURE NO.

REFE-
RENCE
PAGE