Mitsubishi Outlander GS45X. Manual — part 755

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-843

37

Evaporative
emission purge
solenoid

Ignition switch: "ON"

B+

Engine: warming up, 3,000 r/min (with 3 minutes
after the engine starting sequence is completed)

Voltage drops

40

Heated oxygen
sensor (rear)

• Transaxle: 2nd

• Drive with wide open throttle

• Engine: 3,500 r/min or more

1.0

− 1.5 V

41

Heated oxygen
sensor (rear) offset
voltage

Ignition switch: "ON"

0.4

− 0.6 V

44

Power supply
voltage applied to
manifold absolute
pressure sensor

Ignition switch: "ON"

4.9

− 5.1 V

45

Manifold absolute
pressure sensor

Ignition switch:
"ON"

At altitude of 0 m (0 ft.)

3.8

− 4.2 V

At altitude of 600 m (1,969
ft.)

3.5

− 3.9 V

At altitude of 1,200 m (3,937
ft.)

3.3

− 3.7 V

At altitude of 1,800 m (5,906
ft.)

3.0

− 3.4 V

Engine: warming up, idling

0.6

− 1.4 V

When engine is suddenly revved

Voltage varies

58

Power steering
pressure switch

Engine: warming
up, idling

When steering wheel is not
turned

B+

When steering wheel is
turned

1 V or less

60

Generator G
terminal

• Engine: warming up, idling

• Radiator fan: stopped
• Headlight: OFF to ON*

2

• Stop light: OFF to ON

• Rear defogger switch: OFF to ON

Voltage increases

61

Generator FR
terminal

• Engine: warming up, idling

• Radiator fan: stopped
• Headlight: OFF to ON*

2

• Stop light: OFF to ON

• Rear defogger switch: OFF to ON

Voltage drops

62

Generator L
terminal

Ignition switch: "ON"

0.5

− 2.0 V

Engine: idling

B+

72

Power supply
voltage applied to
throttle actuator
control motor

Ignition switch: "ON"

B+

TERMINAL
NO.

INSPECTION ITEM INSPECTION CONDITION (ENGINE

CONDITION)

NORMAL
CONDITION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-844

73

MFI relay (power
supply)

Ignition switch: "LOCK" (OFF)

B+

Ignition switch: "ON"

1 V or less

74

Accelerator pedal
position sensor
(main)

Ignition switch:
"ON"

Release the accelerator
pedal

0.9

− 1.1 V

Depress the accelerator
pedal fully

4 V or more

75

Power supply
voltage applied to
accelerator pedal
position sensor
(main)

Ignition switch: "ON"

4.9

− 5.1 V

77

Accelerator pedal
position sensor
(sub)

Ignition switch:
"ON"

Release the accelerator
pedal

0.4

− 0.6 V

Depress the accelerator
pedal fully

2 V or more

78

Power supply
voltage applied to
accelerator pedal
position sensor
(sub)

Ignition switch: "ON"

4.9

− 5.1 V

82

Power supply

Ignition switch: "ON"

B+

84

Throttle actuator
control motor relay

Ignition switch: "ON"

→ "LOCK" (OFF)

1 V or less

→ B+

→ 1 V or less

87

Mass airflow sensor Engine is revved

Voltage increases
in response to
revving

89

Intake air
temperature sensor

Ignition switch:
"ON"

When intake air temperature
is

−20°C (−4°F)

3.8

− 4.4 V

When intake air temperature
is 0

°C (32°F)

3.2

− 3.8 V

When intake air temperature
is 20

°C (68°F)

2.3

− 2.9 V

When intake air temperature
is 40

°C (104°F)

1.5

− 2.1 V

When intake air temperature
is 60

°C (140°F)

0.8

− 1.4 V

When intake air temperature
is 80

°C (176°F)

0.4

− 1.0 V

92

Ignition switch-IG

Ignition switch: "ON"

B+

96

Fuel pump relay

Ignition switch: "ON"

B+

Engine: idling

1.0 V or less

TERMINAL
NO.

INSPECTION ITEM INSPECTION CONDITION (ENGINE

CONDITION)

NORMAL
CONDITION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-845

98

Battery temperature
sensor

Ignition switch:
"ON"

When the intake air
temperature is

−20°C (−4°F)

3.8

− 4.4 V

When the intake air
temperature is 0

°C (32°F)

3.2

− 3.8 V

When the intake air
temperature is 20

°C (68°F)

2.3

− 2.9 V

When the intake air
temperature is 40

°C (104°F)

1.5

− 2.1 V

When the intake air
temperature is 60

°C (140°F)

0.8

− 1.4 V

When the intake air
temperature is 80

°C (176°F)

0.4

− 1.0 V

100

Battery current
sensor

The battery is being discharged.

• Engine: Cranking

The value changes
by the value less
than 3.5 V.

The battery is being charged.

• Leave the ignition switch being in the ON

position for several minutes, and then after the
engine start.

The value
gradually
increases from the
value more than
3.5 V*

3

102

A/C compressor
clutch relay

• Engine: idling

• A/C switch: OFF → ON (A/C compressor is

operating)

B+

→ 1 V or less

as A/C clutch
cycles

104

Backup power
supply

Ignition switch: "LOCK" (OFF)

B+

105

Ignition switch-ST

Ignition switch: cranking

8 V or more

106

Starter relay

Engine: cranking

B+

Engine: idling

1 V or less

112

Fuel tank differential
pressure sensor

• Ignition switch: "ON"

• Fuel cap removal

1.5

− 3.5 V

114

Power supply
voltage applied to
fuel tank differential
pressure sensor

Ignition switch: "ON"

4.9

− 5.1 V

TERMINAL
NO.

INSPECTION ITEM INSPECTION CONDITION (ENGINE

CONDITION)

NORMAL
CONDITION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-846

115

Fuel tank
temperature sensor

Ignition switch:
"ON"

When fuel tank temperature
is 0

°C (32°F)

2.7

− 3.1 V

When fuel tank temperature
is 20

°C (68°F)

2.1

− 2.5 V

When fuel tank temperature
is 40

°C (104°F)

1.6

− 2.0 V

When fuel tank temperature
is 80

°C (176°F)

0.8

− 1.2 V

117

Evaporative
emission ventilation
solenoid

Ignition switch: "ON"

B+

Carry out the actuator test to drive the solenoid
valve.

1 V or less
(Approximately 6
seconds)

TERMINAL
NO.

INSPECTION ITEM INSPECTION CONDITION (ENGINE

CONDITION)

NORMAL
CONDITION