Mitsubishi Galant (2004+). Manual - part 1746

 

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Mitsubishi Galant (2004+). Manual - part 1746

 

 

ON-BOARD DIAGNOSTIC

MULTIPORT FUEL SYSTEM (MFI) <3.8L ENGINE>

13B-13

Data List Function
The data list items are shown in the following table.
NOTE: Data list items consist of MUT-III items and GST items. GST items can be accessed through the use 
of a general scan tool.
NOTE: When MUT-III is used, MUT-III items appear alphabetically; then, GST items appear alphabetically. 
The black and white characters of the GST items are inverted from the MUT-III items.
MUT-III Item

MUT-III SCAN TOOL 
DISPLAY

ITEM NO.  INSPECTION ITEM

UNIT

A/C RELAY

49

A/C compressor clutch relay

ON/OFF

A/C SWITCH

28

A/C switch

ON/OFF

APP SNS (MAIN)

78

Accelerator pedal position sensor (main)

mV

APP SNSR (SUB)

77

Accelerator pedal position sensor (sub)

mV

BARO SENSOR

25

Barometric pressure sensor

kPa (in.Hg)

BATT VOLTAGE

16

power supply voltage

V

CKP SENSOR

22

Crankshaft position sensor

r/min

CKP SENSOR 2

38

Crankshaft position sensor

r/min

CRANK. SIGNAL

18

Cranking signal (ignition switch-ST)

ON/OFF

ECT SENSOR

21

Engine coolant temperature sensor

°

C (

°

F)

EGR STEP.MTR.

68

EGR valve (stepper motor)

STEP

ENGINE LOAD

37

Engine load (volumetric efficiency)

%

FUEL TEMP

4A

Fuel tank temperature sensor

°

C (

°

F)

HO2S BANK1 S1

39

Heated oxygen sensor bank1, sensor1 (right 
front)

mV

HO2S BANK1 S2

69

Heated oxygen sensor bank1, sensor2 (right 
rear)

mV

HO2S BANK2 S1

11

Heated oxygen sensor bank2, sensor1 (left 
front)

mV

HO2S BANK2 S2

59

Heated oxygen sensor bank2, sensor2 (left rear) mV

IAT SENSOR

13

Intake air temperature sensor

°

C (

°

F)

IG. TIMING ADV

44

Ignition coils and ignition power transistor

BTDC 

°

INJECTOR BNK1

47

Injectors bank 1 (right)

mS

INJECTOR BNK2

41

Injectors bank 2 (left)

mS

MAF SENSOR

12

Mass airflow sensor

g/sec

MAP SENSOR

32

Manifold absolute pressure sensor

kPa (in.Hg)

PSP SWITCH

27

Power steering pressure switch

ON/OFF

TANK PRS. SNSR

73

Fuel tank differential pressure sensor

kPa (in.Hg)

TP LEARN MID

9A

Throttle position sensor (main) mid opening 
learn value

mV

TP SNSR (MAIN)

79

Throttle position sensor (main)

mV

TP SNSR (SUB)

14

Throttle position sensor (sub)

mV

ON-BOARD DIAGNOSTIC

MULTIPORT FUEL SYSTEM (MFI) <3.8L ENGINE>

13B-14

GST Item

.

MUT-III SCAN TOOL 
DISPLAY

ITEM NO.  INSPECTION ITEM

UNIT

ECT SENSOR

21

Engine coolant temperature sensor

°

C (

°

F)

ENGINE LOAD

87

Calculated load value

%

ENGINE SPEED

22

Crankshaft position sensor

r/min

HO2S BANK1 S1

A1

Heated oxygen sensor bank1, sensor1 (right 
front)

V

HO2S BANK1 S2

A2

Heated oxygen sensor bank1, sensor2 (right 
rear)

V

HO2S BANK2 S1

A3

Heated oxygen sensor bank2, sensor1 (left 
front)

V

HO2S BANK2 S2

A4

Heated oxygen sensor bank2, sensor2 (left rear) V

IAT SENSOR

13

Intake air temperature sensor

°

C (

°

F)

IG. TIMING ADV

44

Ignition coils and ignition power transistor

°

LONG TRIM B1

81

Long-term fuel trim bank1

%

LONG TRIM B2

83

Long-term fuel trim bank2

%

MAP/MDP SENSOR

32

Manifold absolute pressure sensor

kPa(in.Hg)

SHORT TRIM B1

82

Short-term fuel trim bank1

%

SHORT TRIM B2

84

Short-term fuel trim bank2

%

SYS. STATUS B1

88

Fuel control system status bank 1 (right)

Closed loop/ 
Open circuit 
drive 
condition

SYS.STATUS B2

89

Fuel control system status bank 2 (left)

Closed loop/ 
Open circuit 
drive 
condition

TP SNSR (MAIN)

8A

Throttle position sensor (main)

%

VAF/MAF SNSR.

12

Mass airflow sensor

gm/s

VSS

24

Vehicle speed signal

km/h (mph)

ON-BOARD DIAGNOSTIC

MULTIPORT FUEL SYSTEM (MFI) <3.8L ENGINE>

13B-15

Actuator Test Function
The actuator test items are shown in the following table.

MUT-III SCAN TOOL 
DISPLAY

ITEM 
NO.

INSPECTION ITEM

ACTIVATING CONTENT

BASIC TIMING

17

Basic ignition timing

Set to ignition timing adjustment 
mode

EVAP PURG SOL

08

Evaporative emission purge 
solenoid

Solenoid valve turns from OFF to 
ON

EVAP VENT 

29

Evaporative emission ventilation 
solenoid

Solenoid valve turns from OFF to 
ON

FUEL PUMP

07

Fuel pump

Fuel pump operates and fuel is 
recirculated

NO. 1 INJECTOR

01

Injectors

Cut fuel to No. 1 injector

NO. 2 INJECTOR

02

Cut fuel to No. 2 injector

NO. 3 INJECTOR

03

Cut fuel to No. 3 injector

NO. 4 INJECTOR

04

Cut fuel to No. 4 injector

NO. 5 INJECTOR

05

Cut fuel to No. 5 injector

NO. 6 INJECTOR

06

Cut fuel to No. 6 injector

RADIAT. FAN HI

20

Radiator fan, A/C condenser fan

Drives the fan motor at high speed

RADIAT. FAN LO

21

Drives the fan motor at low speed

TCA FAIL SAFE

34

Throttle actuator control system

Stop the throttle actuator control 
motor

NOTES

 

 

 

 

 

 

 

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