Mitsubishi Montero Sport (2004+). Manual — part 711

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-409

DATA LIST REFERENCE TABLE

M1231109100122

MUT-III
SCAN TOOL
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ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION

2ND SOL
DUTY

33

Second solenoid
valve duty %

Transmission
range: L

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

100%

Transmission
range: 2

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

0%

Transmission
range: 3

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

100%

Transmission
range: D

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 positive
voltage

CKP
SENSOR

21

Crankshaft position
sensor

• Engine: Idling

(after the
worming up)

• Transmission

range: P

Accelerator pedal:
Fully closed

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: N

Accelerator pedal:
fully closed

→

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

L/R SOL
DUTY

31

Low-reverse
solenoid valve duty
%

Transmission
range: L

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

0%

Transmission
range: 2

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

100%

Transmission
range: 3

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

100%

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-410

L/R SOL
DUTY

31

Low-reverse
solenoid valve duty
%

Transmission
range: D

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

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

100%

Transmission
range: 2

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

100%

Transmission
range: 3

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

0%

Transmission
range: D

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

0%

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

SHIFT POS

63

Shift position

Transmission
range: L

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

1st

Transmission
range: 2

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

2nd

Transmission
range: 3

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

3rd

Transmission
range: D

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 or N

PN

STOPLIGHT
SW

26

Stoplight switch

Ignition switch: ON Brake pedal:

Depressed

ON

Brake pedal:
Released

OFF

MUT-III
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ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-411

TCC
SLIPPAGE

52

Torque converter
clutch amount of
slippage

• Warmed up

• Transmission

range: 3

• Driving at speed

of 50 km/h (31
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

• Driving at speed

of 50 km/h (31
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

TF LOW
DETECT

75

Transfer low
detection switch
<V4A51>

• Ignition switch:

ON

• Transmission

range: N

Transfer position: 4L
<V4A51>

ON

Transfer position:
Other than above

OFF

TFT
SENSOR

15

Transmission fluid
temperature sensor

Warmed up

Drive for 15 minutes
or more so that the
transmission fluid
temperature
becomes 70

− 80°C

(158

− 176°F)

Gradually rises to
70

− 80°C (158 −

176

°F)

TP SENSOR 11

TP sensor

• Ignition switch:

ON

• Engine:

Stopped

• Transmission

range: P

Accelerator pedal:
Fully closed

535

− 735 mV

Accelerator pedal:
Depressed

Gradually rises
from the above
value

Accelerator pedal:
Fully open

4,500

− 5,500 mV

MUT-III
SCAN TOOL
DISPLAY

ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-412

TR SWITCH

61

Transmission range
switch

Ignition switch: ON Transmission range:

P

P

Transmission range:
R

R

Transmission range:
N

N

Transmission range:
D

D

Transmission range:
3

3

Transmission range:
2

2

Transmission range:
L

L

U/D SOL
DUTY

32

Underdrive solenoid
valve duty %

Transmission
range: L

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

0%

Transmission
range: 2

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

0%

Transmission
range: 3

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

0%

Transmission
range: D

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

100%

VSS

29

Vehicle speed
sensor

Transmission
range: 3

Idling with 1st gear
(Vehicle stopped)

0 km/h (0 mph)

Driving at constant
speed of 50 km/h (31
mph)

50 km/h (31 mph)

MUT-III
SCAN TOOL
DISPLAY

ITEM
NO.

INSPECTION ITEM INSPECTION

REQUIREMENT

NORMAL
CONDITION