Mitsubishi Outlander GS45X. Manual — part 982

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-861

4

Ignition coil No. 1
(ignition power
transistor

Engine: 3,000 r/min

0.3

− 3.0 V*

1

5

Ignition coil No. 2
(ignition power
transistor

20

Ignition coil No. 3
(ignition power
transistor

21

Ignition coil No. 4
(ignition power
transistor

52

Ignition coil No. 5
(ignition power
transistor

53

Ignition coil No. 6
(ignition power
transistor

6

Starter active signal Engine: cranking

B+

Engine: idling

1V or less

7

Engine oil pressure
switch (for MIVEC)

Engine: warming up, idling

1V or less

Engine: 5,000 r/min

B+

8

Crankshaft position
sensor

Engine: cranking

0.4

− 4.0 V*

1

Engine: idling

2.0

− 3.0 V*

1

9

Sensor supplied
voltage

Ignition switch: "ON"

B+

10

Throttle position
sensor (main)

• Remove the

intake air hose
at the throttle
body

• Disconnect the

throttle position
sensor
connector, and
then connect
terminal
numbers No. 3,
No. 4, No. 5
and No. 6 with
the use of the
special tool:
MB991658.

• Ignition switch:

"ON"

Fully close the throttle valve
with your finger

0.3

− 0.7 V

Fully open the throttle valve
with your finger

4.0 V or more

TERMINAL
NO.

INSPECTION ITEM INSPECTION CONDITION (ENGINE

CONDITION)

NORMAL
CONDITION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-862

11

Throttle position
sensor (sub)

• Remove the

intake air hose
at the throttle
body

• Disconnect the

throttle position
sensor
connector, and
then connect
terminal
numbers No. 3,
No. 4, No. 5
and No. 6 with
the use of the
special tool:
MB991658.

• Ignition switch:

"ON"

Fully close the throttle valve
with your finger

4 V or more

Fully open the throttle valve
with your finger

1 V or less

12

Power supply
voltage applied to
throttle position
sensor

Ignition switch: "ON"

4.9

− 5.1 V

14

Camshaft position
sensor

Engine: cranking

0.4

− 4.0 V*

1

Engine: idling

2.5

− 3.9 V*

1

15

Throttle actuator
control motor (+)

Ignition switch: "ON"
Accelerator pedal: fully opened

→ fully closed

Decreases slightly
(Approximately 2
V) from battery
voltage.

16

Throttle actuator
control motor (

−)

Ignition switch: "ON"
Accelerator pedal: fully closed

→ fully opened

Decreases slightly
(Approximately 2
V) from battery
voltage.

26

Engine coolant
temperature sensor

Ignition switch:
"ON"

When engine coolant
temperature is

−20°C (−4°F)

3.9

− 4.5 V

When engine coolant
temperature is 0

°C (32°F)

3.2

− 3.8 V

When engine coolant
temperature is 20

°C (68°F)

2.3

− 2.9 V

When engine coolant
temperature is 40

°C (104°F)

1.3

− 1.9 V

When engine coolant
temperature is 60

°C (140°F)

0.7

− 1.3 V

When engine coolant
temperature is 80

°C (176°F)

0.3

− 0.9 V

TERMINAL
NO.

INSPECTION ITEM INSPECTION CONDITION (ENGINE

CONDITION)

NORMAL
CONDITION

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-863

31

EGR valve (stepper
motor coil <A>)

Ignition switch: "LOCK" (OFF)

→ "ON"

5

− 8 V*

1

(changes

about three
seconds
repeatedly)

32

EGR valve (stepper
motor coil <B>)

47

EGR valve (stepper
motor coil <C>)

48

EGR valve (stepper
motor coil <D>)

33

Right bank heated
oxygen sensor
heater (front)

Engine warming up, idling (15 seconds after
starting engine)

9

− 11 V*

1

Engine: revving

9

− 11 V*

1

→ B+

(momentarily)

34

Left bank heated
oxygen sensor
heater (front)

Engine warming up, idling (15 seconds after
starting engine)

9

− 11 V*

1

Engine: revving

9

− 11 V*

1

→ B+

(momentarily)

35

Left bank heated
oxygen sensor
heater (rear)

Engine warming up, idling (15 seconds after
starting engine)

1 V or less

Engine: revving

B+

36

Engine oil pressure
switch (for warning
lamp)

Ignition switch: "ON"

0

− 0.1 V

Engine: idling

B+

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

38

Left bank heated
oxygen sensor
(front)

Engine: warming up, 2,500 r/min

0.5

⇔ 1.4 V

(changes
repeatedly)

39

Left bank heated
oxygen sensor
(front) offset voltage

Ignition switch: "ON"

0.4

− 0.6 V

40

Left bank heated
oxygen sensor
(rear)

• Transaxlle: 2nd

• Drive with wide open throttle

• Engine: 3,500 r/min or more

1.0

− 1.5 V

41

Left bank heated
oxygen sensor
(rear) offset voltage

Ignition switch: "ON"

0.4

− 0.6 V

43

Power supply
voltage applied to
power steering
pressure sensor

Ignition switch: "ON"

4.9

− 5.1 V

44

Power supply
voltage applied to
manifold absolute
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) <3.0L ENGINE>

13B-864

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

49

Right bank heated
oxygen sensor
heater (rear)

Engine warming up, idling (15 seconds after
starting engine)

1 V or less

Engine: revving

B+

54

Right bank heated
oxygen sensor
(front)

Engine: warming up, 2,500 r/min

0.5

⇔ 1.4 V

(changes
repeatedly)

55

Right bank heated
oxygen sensor
(front) offset voltage

Ignition switch: "ON"

0.4

− 0.6 V

56

Right bank heated
oxygen sensor
(rear)

• Transaxlle: 2nd

• Drive with wide open throttle

• Engine: 3,500 r/min or more

1.0

− 1.5 V

57

Right bank heated
oxygen sensor
(rear) offset voltage

Ignition switch: "ON"

0.4

− 0.6 V

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