Mitsubishi Colt Ralliart. Manual - part 670

GENERAL INFORMATION

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-5

AK600529AB

6  Oil feeder control valve 

1 

Oxygen sensor
(front)

8  

Engine coolant 

 temperature sensor

3 

Throttle valve control servo

10  

Throttle position sensor 

(main)

5  

Throttle position sensor 

(sub)

2 

Purge control

   solenoid valve

4 

Fuel pressure 
solenoid valve

7  

Crank angle sensor

9  

Detonation sensor

4  

Intake air 

 temperature
 sensor

3  

Air flow sensor

Waste gate
actuator

Canister

Check 
valve

Air by-pass valve

Fuel pressure regulator

From 
fuel pump

To fuel 
tank

Catalytic converter

Catalytic 
converter

Air 
inlet

Oxygen sensor (front)
Oxygen sensor (rear)
Air flow sensor
Intake air temperature 
sensor
Throttle position 
sensor 

(sub)

Camshaft position 
sensor
Crank angle sensor
Engine coolant 
temperature sensor
Detonation sensor
Throttle position 
sensor 

(main)

Power supply
Ignition switch-IG
Ignition switch-ST
Accelerator pedal 
position sensor 
(main)
Accelerator pedal 
position sensor
(sub)
Alternator FR 
terminal
Stop lamp switch
Clutch switch

Engine-
ECU

Engine control relay
Fuel pump relay 
A/C compressor relay
Throttle valve
control servo relay
Ignition coil
Cooling fan 

control 

relay

(Hi, Lo)
Diagnosis output
Alternator G terminal
Oxygen sensor (front)
heater
Oxygen sensor (rear)
heater

Barometric
pressure
sensor

1 Injector

5  Waste gate
    solenoid valve

2  

Oxygen sensor

(rear)

6  

Camshaft position sensor

1
2
3
4

5

6

7
8

9

10

Injector
Purge control
solenoid valve
Throttle valve
control servo
Fuel pressure
solenoid valve
Waste gate
solenoid valve
Oil feeder control
valve

1
2

3

4

5

6

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Group

TOC

SERVICE SPECIFICATIONS

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-6

SERVICE SPECIFICATIONS

M1131000301601

SEALANT

M1131000500840

Items

Specifications

Intake air temperature sensor 
resistance k

Ω

−20°C

13 

− 17

0

°C

5.7 

− 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

Ω

−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

Fuel pressure kPa

Vacuum hose connected 

Approximately 230

Vacuum hose disconnected

289 

− 299

Injector coil resistance (at 20

°C) Ω

10.5 

− 13.5

Oxygen sensor output voltage V

0.6 

− 1.0

Oxygen sensor heater 
resistance (at 20

°C) Ω

Front

5 

− 30

Rear

5 

− 30

Throttle valve control servo coil resistance (at 20

°C) Ω

0.3 

− 100

Oil feeder control valve resistance (at 20

°C) Ω

6.9 

− 7.9

Fuel pressure solenoid valve resistance (at 20

°C) Ω

29 

− 35

Item

Specified sealant

Remark

Engine coolant temperature sensor 
threaded portion

3M Nut Locking Part No. 4171 or equivalent Drying sealant

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TOC

SPECIAL TOOLS

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-7

SPECIAL TOOLS

M1131000601851

Tool

Number

Name

Use

MB991955
A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991825
F: MB991826

M.U.T.-III sub 

assembly

A: Vehicle 

communicatio
n interface 
(V.C.I.)

B: M.U.T.-III USB 

cable

C: M.U.T.-III 

main harness 
A (vehicles 
with CAN 
communicatio
ns system)

D: M.U.T.-III 

main harness 
B (vehicles 
without CAN 
communicatio
ns system)

E: M.U.T.-III 

measurement 
adapter

F: M.U.T.-III 

trigger harness

• Reading diagnosis code

• Inspection of MPI system

• Measurement of fuel pressure

CAUTION

For vehicles with a CAN 
communication, use M.U.T.-III main 
harness A to send simulated vehicle 
speed. If you connect M.U.T.-III main 
harness B instead, the CAN 
communication does not function 
correctly.

MB991987

Power plant ECU 
check harness

• Measurement of voltage during 

troubleshooting

• Measurement of engine-ECU 

terminal voltage

• Inspection using an oscilloscope

MB991709

Test Harness

• Measurement of voltage for 

troubleshooting

• Inspection using an oscilloscope

MB991910

MB991826

MB991955

MB991911

MB991824

MB991827

MB991825

A

B

C

D

E

F

DO NOT USE

MB991987

Main

Index

Group

TOC

SPECIAL TOOLS

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-8

MB991658

Test Harness

• Measurement of voltage during 

troubleshooting

• Inspection using an oscilloscope

• Inspection of oxygen sensor

MB991637

Fuel pressure 
gauge set

Measurement of fuel pressure

MB991981

Fuel pressure 
gauge set

MB991990

Quick connector

MD998706

Injector test set

• Checking the spray condition of 

injectors

• Measurement of fuel pressure

MD992001

Hose adapter

MB991976

Injector holder

Checking the spray condition of 
injectors

MB991607

Injector test 
harness

Tool

Number

Name

Use

MB991658

MB991637

MB991981

MB991990

MD998706

MB992001

MB991976

MB991607

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