Mitsubishi Montero (2004+). Manual - part 368

 

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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

 

 

 

 

 

 

 

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