Mitsubishi Montero Sport (2004+). Manual — part 359

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-849

INJECTOR
BNK1

47

Injectors bank
1 (right)*

3

Engine:
cranking

When engine
coolant
temperature is
0

°C (32°F)

11.4

− 17.2

ms

−

−

When engine
coolant
temperature is
20

°C (68°F)

28

− 42 ms

When engine
coolant
temperature is
80

°C (176°F)

7.4

− 11.2

ms

Injectors bank
1 (right)*

4

• Engine

coolant
temperature
: 80

− 95°C

(176

−

203

°F)

• Lights,

electric
cooling fan
and all
accessories
: OFF*

7

• Transmission

: "P" range

Engine is
idling

2.5

− 3.7

ms

2,500 r/min

2.1

− 3.3

ms

When engine
is suddenly
revved

Increases

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-850

INJECTOR
BNK2

41

Injectors bank
2 (left)*

3

Engine:
cranking

When engine
coolant
temperature is
0

°C (32°F)

11.4

− 17.2

ms

−

−

When engine
coolant
temperature is
20

°C (68°F)

28

−42 ms

When engine
coolant
temperature is
80

°C (176°F)

7.4

− 11.2

ms

Injectors bank
2 (left)*

4

• Engine

coolant
temperature
: 80

− 95°C

(176

−

203

°F)

• Lights,

electric
cooling fan
and all
accessories
: OFF*

7

• Transmission

: "P" range

Engine is
idling

2.5

− 3.7

ms

2,500 r/min

2.1

− 3.3

ms

When engine
is suddenly
revved

Increases

LONG
TRIM B1

81*

6

Long-term fuel
compensation
(trim) bank 1

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

−12.5 −

12.5%

Code No.
P0171,
P0172

P.13A-372

,

P.13A-381

LONG
TRIM B2

83*

6

Long-term fuel
compensation
(trim) bank 2

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

−12.5 −

12.5%

Code No.
P0174,
P0175

P.13A-387

,

P.13A-396

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-851

MAP
SENSOR

95

Manifold
absolute
pressure
sensor

• Engine

coolant
temperature
: 80 - 90

°C

(176 -
203

°F)

• Lights,

electric
cooling fan
and all
accessories
: OFF*

7

• Transaxle:

Neutral
(A/T: 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-62

,

P.13A-78

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
raced

Varies

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-852

MAP/MDP
SNSR.

32*

6

Manifold
absolute
pressure
sensor

• Engine

coolant
temperature
: 80 - 90

°C

(176 -
203

°F)

• Lights,

electric
cooling fan
and all
accessories
: OFF*

7

• Transaxle

Neutral
(A/T: 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-62

,

P.13A-78

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
raced

Varies

PSP
SWITCH

27

Power
steering
pressure
switch

Engine: idling

Steering wheel
stationary

OFF

Code No.
P0551,
P0554

P.13A-663

,

P.13A-673

Steering wheel
turning

ON

SHORT
TRIM B1

82*

6

Short-term fuel
compensation
(trim) bank 1

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

− 7.4 −

7.4%

Code No.
P0171,
P0172

P.13A-372

,

P.13A-381

SHORT
TRIM B2

84*

6

Short-term fuel
compensation
(trim) bank 2

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

−7.4 −

7.4%

Code No.
P0174,
P0175

P.13A-387

,

P.13A-396

SYS.
STATUS
B1

88*

6

Fuel control
system status
bank 1 (right)

Engine:
warming up

2,500 r/min

Closed
loop

Code
No.P0134

P.13A-209

When engine
is suddenly
revved

Open loop
− drive

condition

SYS.
STATUS
B2

89*

6

Fuel control
system status
bank 2 (left)

Engine:
warming up

2,500 r/min

Closed
loop

Code No.
P0154

P.13A-306

When engine
is suddenly
revved

Open loop
− drive

condition

MUT-III
SCAN
TOOL
DISPLAY

ITEM
NO.

INSPECTION
ITEM

INSPECTION REQUIREMENT

NORMAL
CONDITION

INSPECTION
PROCEDURE
NO.

REFERENCE
PAGE