Mitsubishi Outlander GS45X. Manual - part 977

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-841

EGR step 
motor

31

EGR valve 
(stepper 
motor)

• Engine 

coolant 
temperature
: 80 

− 95°C 

(176 

− 

203

°F)

• Lights, 

electric 
cooling fan 
and all 
accessories
: "OFF"*

4

• Transaxle: 

"P" range

Engine is idling 2 

− 8 Step

Code No. 
P0489, 
P0490

P.13B-564

, 

P.13B-570

2,500 r/min

2 

− 8 Step

Engine 
control 
relay

95

MFI relay

Ignition switch: "ON"

ON

−

−

Engine oil 
pressure 
switch

90

Engine oil 
pressure 
switch (for 
warning 
lamp)

Ignition switch: "ON"

ON

Procedure 
No. 26

P.13B-832

Engine is idling

OFF

ETV relay 96

Throttle 
actuator 
control motor 
relay

Ignition switch: "ON"

ON

−

−

EVAP. 
emission 
purge 
SOL. duty

49

Evaporative 
emission 
purge 
solenoid duty

Engine: warming up with Open 
loop drive condition, without 
EVAP leak monitor

1 % or more

−

−

Fan duty

47

Fan motor 
duty

Engine: warming up

• The duty ratio of the fan 

motor driving is shown.

0 

− 100 % 

(Display 
range)

−

−

Fuel level 
gauge

51

Fuel level 
gauge

Ignition switch: "ON" 

• The residual fuel amount 

in the tank is shown.

• "0 %" means "Empty" and 

"100 %" means "Full".

0 

− 100 % 

(Display 
range) 

−

−

Fuel level 
input

121 Fuel level 

input

Ignition switch: "ON" 

• The residual fuel amount 

in the tank is shown.

• "0 %" means "Empty" and 

"100 %" means "Full".

0 

− 100 % 

(Display 
range) 

−

−

Fuel 
pump 
relay

97

Fuel pump 
relay

Ignition switch: "ON" 

OFF 

−

−

Engine:cranking 

ON 

M.U.T.-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) <3.0L ENGINE>

13B-842

Fuel 
system 
status 
(bank 1)

105 Fuel control 

system status 
(bank 1)

Engine: 
warming up

2,500 r/min 

CL: Using 
O2S

−

−

When engine 
is suddenly 
revved

OL: DRV 
condition

Fuel 
system 
status 
(bank 2)

106 Fuel control 

system status 
(bank 2)

Engine: 
warming up

2,500 r/min 

CL: Using 
O2S

−

−

When engine 
is suddenly 
revved

OL: DRV 
condition

Fuel tank 
differential 
PRS. 
SNSR

52

Fuel tank 
differential 
pressure 
sensor

• Ignition switch: "ON"

• Fuel cap removal

1,500 

− 3,500 

mV

−

−

Fuel tank 
temperatu
re sensor

53

Fuel tank 
temperature 
sensor

• In cooled state

• Ignition switch: "ON"

Approximatel
y the same 
as the 
outdoor 
temperature 

Code No. 
P0181, 
P0182, 
P0183

P.13B-329

, 

P.13B-334

, 

P.13B-339

Ignition 
switch

85

Ignition 
switch (IG1)

Ignition switch: "ON" 

ON

−

−

Injectors

17

Injectors*

2

Engine: 
cranking

When engine 
coolant 
temperature is 
0

°C (32°F)

80 

− 120 ms −

−

When engine 
coolant 
temperature is 
20

°C (68°F)

30 

− 50 ms

When engine 
coolant 
temperature is 
80

°C (176°F)

8 

− 16 ms

Injectors*

3

• Engine 

coolant 
temperature
: 80 

− 95°C 

(176 

− 

203

°F)

• Lights, 

electric 
cooling fan 
and all 
accessories
: "OFF"*

4

• Transaxle: 

"P" range

Engine is idling 1.5 

− 3.5 ms

2,500 r/min

1.2 

− 3.2 ms

When engine 
is suddenly 
revved

Increases

M.U.T.-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) <3.0L ENGINE>

13B-843

Intake air 
temperatu
re sensor 
1

5

Intake air 
temperature 
sensor

Ignition switch: 
"ON" or with 
engine running

Intake air 
temperature  is 
−20°C (−4° F)

−20°C (−4° F) Code No. 

P0111, 
P0112, 
P0113

P.13B-167

, 

P.13B-171

, 

P.13B-175

Intake air 
temperature is 
0

°C (32°F)

0

°C (32°F)

Intake air 
temperature is 
20

°C (68°F)

20

°C (68°F)

Intake air 
temperature is 
40

°C (104°F)

40

°C (104°F)

Intake air 
temperature is 
80

°C (176°F)

80

°C (176°F)

ISC 
learned 
value 
(A/C OFF)

68

Idle speed 
control 
learned value 
(A/C OFF)

Ignition switch: "ON"

• Indicates the learning 

value to compensate for 
the opening angle of idling 
speed control (opening 
angle of throttle valve).

• The negative side shows 

"close" side, while the 
positive side shows "open" 
side.

−1 to 2.4 L/s 

(Display 
range)

−

−

ISC 
learned 
value 
(A/C ON)

69

Idle speed 
control 
learned value 
(A/C ON)

Ignition switch: "ON"

• Indicates the learning 

value to compensate for 
the opening angle of idling 
speed control (opening 
angle of throttle valve) with 
the air conditioner turned 
ON.

• The negative side shows 

"close" side, while the 
positive side shows "open" 
side.

−1 to 2.4 L/s 

(Display 
range)

−

−

Knock 
retard

32

Knock retard 
(bank 1)

Engine: warming up, sudden 
revving

According to 
acceleration, 
knock retard 
is increased.

−

−

Knock 
retard 
(bank 2)

114 Knock retard 

(bank 2)

Engine: warming up, sudden 
revving

According to 
acceleration, 
knock retard 
is increased.

−

−

M.U.T.-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) <3.0L ENGINE>

13B-844

Learned 
knock 
retard

33

Knock control 
learned value 
(bank 1)

Ignition switch: "ON"

• The learning value is 

shown, which 
compensates the ignition 
time based on the knock 
sensor.

• "0 %" means "retard 

angle" and "100 %" means 
"advance angle".

0 

− 100 % 

(Display 
range)

−

−

Learned 
knock 
retard 
(bank 2)

115 Knock control 

learned value 
(bank 2)

Ignition switch: "ON"

• The learning value is 

shown, which 
compensates the ignition 
time based on the knock 
sensor.

• "0 %" means "retard 

angle" and "100 %" means 
"advance angle".

0 

− 100 % 

(Display 
range)

−

−

Long term 
fuel trim 
(bank 1)

26

Long-term 
fuel tirm 
(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.13B-303

, 

P.13B-310

Long term 
fuel trim 
(bank 2)

27

Long-term 
fuel tirm 
(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.13B-316

, 

P.13B-323

M.U.T.-III 
SCAN 
TOOL 
DISPLAY

ITEM 
NO. 

INSPECTION 
ITEM

INSPECTION REQUIREMENT

NORMAL 
CONDITION

INSPECTION 
PROCEDURE 
NO.

REFERENCE 
PAGE