Mitsubishi Galant (2004+). Manual - part 1358

SPECIAL TOOLS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1125

SPECIAL TOOLS

M1131000600609

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

MB991958
A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991914
F: MB991825
G: MB991826
MUT-III sub assembly
A: Vehicle 
Communication Interface 
(V.C.I.)
B: MUT-III USB Cable
C: MUT-III Main Harness 
A (Vehicles with CAN 
communication system)
D: MUT-III Main Harness 
B (Vehicles without CAN 
communication system)
E: MUT-III Main Harness 
C (for Daimler Chrysler 
models only)
F: MUT-III Adapter 
Harness
G: MUT-III Trigger 
Harness

MB991824-KIT
NOTE: G: MB991826 
MUT-III Trigger Harness 
is not necessary when 
pushing V.C.I. ENTER 
key.

• Reading diagnostic 

trouble code

• MFl system inspection

• Measurement of fuel 

pressure

CAUTION

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

MB991923
Power plant ECU check 
harness

MD998478-01

• lnspection using an 

oscilloscope

• lnspection of the 

powertrain control 
module (PCM) 
terminal voltage check

MB991910

MB991826

MB991958

MB991911

MB991914

MB991824

MB991827

MB991825

A

B

C

D

E

F

G

MB991923

SPECIAL TOOLS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1126

MB991709
Test harness set

MB991709-01

Inspection using an 
oscilloscope

MB991658
Test harness set

Tool not available

• Inspection using an 

oscilloscope

• Adjustment of 

accelerator pedal 
position sensor

MD998464
Test harness (4 pin, 
square)

MD998464-01

• Inspection of heated 

oxygen sensor

MB991316
Test harness (4 pin, 
square)

Tool not available

Inspection of heated 
oxygen sensor

MD998478
Test harness (3 pin, 
triangle)

MD998478-01

Inspection using an 
oscilloscope

MB991637
Fuel pressure gauge set

Tool not available

Measurement of fuel 
pressure

MD998709
Adaptor hose

MIT210196

Measurement of fuel 
pressure

MD998742
Hose adaptor

MD998742-01

Measurement of fuel 
pressure

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

MB991658

MB991637

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1127

ON-VEHICLE SERVICE

COMPONENT LOCATION

M1131002100837

NAME

SYMBOL

NAME

SYMBOL

Accelerator pedal position sensor S

Knock sensor

K

Camshaft position sensor

N

Left bank heated oxygen sensor 
(front)

M

Crankshaft position sensor

I

Left bank heated oxygen sensor 
(rear)

M

Data link connector

T

Malfunction Indicator Lamp 
(SERVICE ENGINE SOON or 
Check Engine Lamp)

R

Exhaust gas recirculation (EGR) 
valve

D

Manifold absolute pressure 
sensor

B

Engine coolant temperature 
sensor

E

Mass airflow sensor (with built-in 
intake air temperature sensor)

H

Evaporative emission purge 
solenoid

G

Multiport fuel injection (MFI) relay P

Evaporative emission ventilation 
solenoid

W

Powertrain control module (PCM) O

Fuel level sensor (main)

V

Power steering pressure switch

A

Fuel level sensor (sub)

U

Right bank heated oxygen sensor 

(front)

C

Fuel pump relay

Q

Right bank heated oxygen sensor 

(rear)

C

Fuel tank differential pressure 
sensor

U

Throttle actuator control motor

F

Fuel tank temperature sensor

V

Throttle actuator control motor 
relay

P

Ignition coil

L

Throttle position sensor

F

Injector

J

ON-VEHICLE SERVICE

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>

13B-1128

AK303200

B

C

D

E

F

G

I

J

M N

A

O

P

Q

R

S

T

U

AB

W

V

H

K

L

AK303297

POWER STEERING
PRESSURE SWITCH

AB

A

AK303287

B

MANIFOLD
ABSOLUTE
PRESSURE
SENSOR

AB