Mitsubishi Outlander (2003+). Manual — part 35

GENERAL INFORMATION

MULTIPORT FUEL INJECTION (MFI)

13A-3

2. A/C Relay Control

Turns the compressor clutch of the A/C ON and OFF.

3. Fan Motor Control

The revolutions of the radiator fan and condenser fan

are controlled in response to the engine coolant
temperature and vehicle speed.

4. Purge Control Solenoid Valve Control

(Refer to

3

17

, GROUP 17

-

Engine And Emission

Control

-

Evaporative Emission Control System).

5. EGR Control Solenoid Valve Control

[Refer to

3

17

, GROUP 17

-

Engine And Emis-

sion Control

-

Exhaust Gas Recirculation (EGR)

System].

GENERAL SPECIFICATIONS

Items

Specifications

Throttle body

Throttle bore mm

60

Throttle position sensor

Variable resistor type

Idle speed control servo

Stepper motor type

Engine-ECU

Identification No.

E6T38971

Sensors

Air flow sensor

Karman vortex type

Barometric pressure Sensor

Semiconductor type

Intake air temperature sensor

Thermistor type

Engine coolant temperature

Thermistor type

Oxygen sensor

Zirconia type

Inhibitor switch

Contact switch type

Camshaft position sensor

Hall element type

Crank angle sensor

Hall element type

Detonation sensor

Piezoelectric type

Power steering fluid pressure switch

Contact switch type

Actuators

Engine control relay type

Contact switch type

Fuel pump relay type

Contact switch type

Injector type and number

Electromagnetic type, 4

Injector identification mark

HDA 250E

EGR control solenoid valve

Duty cycle type solenoid valve

Purge control solenoid valve

Duty cycle type solenoid valve

Fuel pressure
regulator

Regulator pressure kPa

329

GENERAL INFORMATION

MULTIPORT FUEL INJECTION (MFI)

13A-4

MULTI-POINT FUEL INJECTION SYSTEM DIAGRAM

AK204338

1 Oxygen sensor (front)
2 Oxygen sensor (rear)
3 Air flow sensor
4 Intake air temperature
sensor
5 Throttle position sensor
6 Camshaft position
sensor
7 Crank angle sensor
8 Barometric pressure
sensor
9 Engine coolant
temperature sensor
10 Detonation sensor

Engine-ECU

Engine control relay
Fuel pump relay
A/C compressor relay
Ignition coil
Fan controller
Engine warning lamp
Diagnosis output
Alternator G terminal
Oxygen sensor heater
Tachometer

2 Oxygen sensor (rear)

7 Crank angle sensor

AB

Power supply
Ignition switch-IG
Ignition switch-ST
A/C switch
A/C load signal
A/C pressure
sensor
Power steering
fluid pressure switch
Alternator FR
terminal
Vehicle speed
sensor

10 Detonation sensor

9 Engine coolant
temperature sensor

1 Injector

Catalytic

converter

From
fuel pump

To
fuel tank

6 Camshaft position sensor

Fuel pressure
regulator

1 Oxygen sensor
(front)

Catalytic
converter

EGR valve

3 EGR control
solenoid valve

4 Purge control
solenoid valve

Canister

M

M

A

5 Throttle position
sensor

2 Idle speed control servo
(Stepper motor)

4 Intake air temperature sensor

3 Air flow sensor

8 Barometric
pressure sensor

Air

1 Injector
2 Idle speed control
servo (Stepper motor)
3 EGR control solenoid
valve
4 Purge control solenoid
valve

SERVICE SPECIFICATIONS

MULTIPORT FUEL INJECTION (MFI)

13A-5

SERVICE SPECIFICATIONS

M1131000300459

SEALANT

M1131000500237

Items

Specifications

Basic idle speed r/min

700

–

50

Throttle position sensor adjusting voltage mV

535

-

735

Throttle position sensor resistance k

W

3.5

-

6.5

Idle speed control servo coil resistance (at 20

•

C)

W

28

-

33

Intake air temperature sensor
resistance k

W

-

20

•

C

13

-

17

0

•

C

5.3

-

6.7

20

•

C

2.3

-

3.0

40

•

C

1.0

-

1.5

60

•

C

0.56

-

0.76

80

•

C

0.30

-

0.42

Engine coolant temperature
sensor resistance k

W

-

20

•

C

14

-

17

0

•

C

5.1

-

6.5

20

•

C

2.1

-

2.7

40

•

C

0.9

-

1.3

60

•

C

0.48

-

0.68

80

•

C

0.26

-

0.36

Oxygen sensor output voltage (at racing) V

0.6

-

1.0

Oxygen sensor heater
resistance (at 20

•

C)

W

front

4.5

-

8.0

rear

11

-

18

Fuel pressure kPa

Vacuum hose disconnection

330

-

350 at curb idle

Vacuum hose connection

Approximately. 270 at curb idle

Injector coil resistance (at 20

•

C)

W

10.5

-

13.5

Item

Specified sealant

Remark

Engine coolant temperature sensor
Threaded portion

3M Nut Locking Part No. 4171 or equivalent

Drying sealant

SPECIAL TOOLS

MULTIPORT FUEL INJECTION (MFI)

13A-6

SPECIAL TOOLS

M1131000600342

Tool

Number

Name

Use

MB991502

MUT-II sub
assembly

œ

Reading diagnosis code

œ

MPI system inspection

MB991348

Test harness set

œ

Measurement of voltage during
troubleshooting

œ

Inspection using an oscilloscope

MB991709

Test harness

œ

Measurement of voltage during
troubleshooting

œ

Inspection using an oscilloscope

œ

Adjusting of idle speed control servo

MD998478

Test harness (3-
pin, triangle)

œ

Measurement of voltage during
Troubleshooting

œ

Inspection using an oscilloscope

MB991536

Check harness
for throttle
position sensor
adjustment

œ

Measurement of voltage during
Troubleshooting

œ

Adjusting of throttle position sensor

MD998464

Test harness (4-
pin, square)

œ

Measurement of voltage during
Troubleshooting

œ

Inspection of oxygen sensor (front)

MB991658

Test harness

œ

Measurement of voltage during
Troubleshooting

œ

Inspection of oxygen sensor (rear)

B991502

MB991348

MB991536

MB991658