Mitsubishi Galant (2004+). Manual — part 698

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-343

DATA LIST REFERENCE TABLE

M1231008100337

MUT-III
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ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION

2ND SOL
DUTY

33

Second solenoid
valve duty %

Transmission range:
L <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 10 km/h (6.2
mph) in 1st gear

100%

Transmission range:
2 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 30 km/h (19
mph) in 2nd gear

0%

Transmission range:
3 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 3rd gear

100%

Transmission range:
D <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 4th gear

0%

A/T CONT
RLY

54

A/T control relay
output voltage

Ignition switch: ON

Battery voltage

CKP
SENSOR

21

Crankshaft position
sensor

• Engine: Idling

(after the
worming up)

• Transmission

range: P

Accelerator pedal:
Release

600

− 900

r/min

Accelerator pedal:
Depressed

Gradually rises
from the above
value

DUAL
PRESS SW

65

Dual pressure switch

• Engine: Idling

• Transmission

range: P, N

A/C switch: ON (while
the A/C compressor is
in operation)

ON

A/C switch: OFF

OFF

ENGINE
LOAD

57

Engine load
(volumetric
efficiency)

• Engine: Idling

• Transmission

range: P, N

Accelerator pedal:
Release

→ depressed

Data changes

ISS SENSOR 22

Input shaft speed
sensor

Gear range: 3rd gear Driving at constant

speed of 50 km/h (31
mph)

1,400

− 1,700

r/min

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-344

L/R SOL
DUTY

31

Low-reverse
solenoid valve duty
%

Transmission range:
L <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 10 km/h (6.2
mph) in 1st gear

0%

Transmission range:
2 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 30 km/h (19
mph) in 2nd gear

100%

Transmission range:
3 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 3rd gear

100%

Transmission range:
D <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 4th gear

100%

O/D SOL
DUTY

34

Overdrive solenoid
valve duty %

Transmission range:
L <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 10 km/h (6.2
mph) in 1st gear

100%

Transmission range:
2 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 30 km/h (19
mph) in 2nd gear

100%

Transmission range:
3 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 3rd gear

0%

Transmission range:
D <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 4th gear

0%

MUT-III
SCAN TOOL
DISPLAY

ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-345

OD OFF
SIGNAL

66

Overdrive off signal
(Auto-cruise ECM
signal)

While auto-cruise is
engaged

Level road

OFF

Uphill grade

ON

OSS
SENSOR

23

Output shaft speed
sensor

Gear range: 3rd gear Driving at constant

speed of 50 km/h (31
mph)

1,400

− 1,700

r/min

SELECT SW 67

Select switch
<Vehicles with sport
mode>

Ignition switch: ON

Transmission range: D OFF
Selector lever
operation: Select sport
mode

ON

Selector lever
operation: Upshift and
hold the selector lever

ON

Selector lever
operation: Downshift
and hold the selector
lever

ON

SHIFT POS

63

Shift position

Transmission range:
L <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 10 km/h (6.2
mph) in 1st gear

1st

Transmission range:
2 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 30 km/h (19
mph) in 2nd gear

2nd

Transmission range:
3 <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 3rd gear

3rd

Transmission range:
D <Vehicles without
sport mode> or
Sport mode
<Vehicles with sport
mode>

Driving at constant
speed of 50 km/h (31
mph) in 4th gear

4th

Transmission range:
R

Driving at constant
speed of 5 km/h (3.1
mph) in reverse gear

REV

Transmission range: P, N

NP

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ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION

AUTOMATIC TRANSAXLE DIAGNOSIS

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AUTOMATIC TRANSAXLE

23A-346

SHIFT SW
DOWN

69

Shift switch (Down)
<Vehicles with sport
mode>

Ignition switch: ON

Transmission range: D OFF
Selector lever
operation: Select sport
mode

OFF

Selector lever
operation: Upshift and
hold the selector lever

OFF

Selector lever
operation: Downshift
and hold the selector
lever

ON

SHIFT SW
UP

68

Shift switch (Up)
<Vehicles with sport
mode>

Ignition switch: ON

Transmission range: D OFF
Selector lever
operation: Select sport
mode

OFF

Selector lever
operation: Upshift and
hold the selector lever

ON

Selector lever
operation: Downshift
and hold the selector
lever

OFF

STOPLIGHT
SW

26

Stoplight switch

Ignition switch: ON

Brake pedal:
Depressed

ON

Brake pedal: Released OFF

TCC
SLIPPAGE

52

Torque converter
clutch amount of
slippage

• Warmed up

• Transmission

range: 3
<Vehicles without
sport mode> or
Sport mode
<Vehicles with
sport mode>

• Driving at speed

of 60 km/h (37
mph) in 3rd gear

Driving at constant
speed of 60 km/h (37
mph)

−10 to 10 r/min

Release accelerator
pedal (at less than 50
km/h (31 mph)

The value
should
fluctuate when
the accelerator
is released.

TCC SOL
DUTY

36

Torque converter
clutch solenoid valve
duty %

• Warmed up

• Transmission

range: 3
<Vehicles without
sport mode> or
Sport mode
<Vehicles with
sport mode>

• Driving at speed

of 60 km/h (38
mph) in 3rd gear

Driving at constant
speed of 60 km/h (37
mph)

70

− 99.6%

Release accelerator
pedal (at less than 50
km/h (31 mph))

70

− 99.6% →

0% Decreases
gradually as
the vehicle
speed
decreases

MUT-III
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DISPLAY

ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION