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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