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Isuzu Trooper (1998-2002 year). Manual - part 683

7A–24

AUTOMATIC TRANSMISSION (4L30–E)

MODE

LEVER

ENGINE SPEED

LINE PRESSURE

FORCE MOTOR

MODE

POSITION

ENGINE SPEED

kPa

PSI

CURRENT (mA)

NORMAL/POWER

D,3,2,L

IDLE

590 – 730

86 – 106

680 – 720

WINTER

IDLE

300 – 390

44 – 57

1,020 – 1,060

NORMAL/POWER
WINTER

REVERSE

IDLE

460 – 630

67 – 91

880 – 920

NORMAL/POWER

D, 3, 2, L

STALL SPEED

1,250 – 1,380

181 – 200

70 – 110

WINTER

STALL SPEED

1,250 – 1,380

181 – 200

70 – 110

NORMAL/POWER
WINTER

REVERSE

STALL SPEED

1,400 – 1,580

203 – 229

340 – 380

Shift Speed Chart

Transfer gear ratio:

High: 1.000

Rear axle ratio:

4.100

“Normal mode”

Upshift

Range

Throttle

opening

→

(First Gear) (Second Gear)

km/h (mph)

→

(Second Gear) (Third Gear)

km/h (mph)

→

(Third Gear) (Fourth Gear)

km/h (mph)

Fully opened

∼

60 (34

∼

37)

114

∼

120 (71

∼

75)

166

∼

172 (103

∼

107)

(Drive)

Half throttle

∼

38 (20

∼

24)

∼

63 (35

∼

39)

∼

105 (61

∼

65)

Fully opened

∼

60 (34

∼

37)

114

∼

120 (71

∼

75)

—

(Third)

Half throttle

∼

38 (20

∼

24)

∼

63 (35

∼

39)

—

Fully opened

∼

60 (34

∼

37)

—

(Second)

Half throttle

∼

38 (20

∼

24)

—

Downshift

Range

Throttle

opening

←

(First Gear) (Second Gear)

km/h (mph)

←

(Second Gear) (Third Gear)

km/h (mph)

←

(Third Gear) (Fourth Gear)

km/h (mph)

Fully opened

∼

51 (28

∼

32)

107

∼

113 (66

∼

70)

155

∼

161 (96

∼

100)

(Drive)

Half throttle

∼

20 (9

∼

12)

∼

39 (20

∼

24)

∼

70 (40

∼

43)

(Drive)

Fully closed

∼

19 (8

∼

12)

∼

25 (12

∼

16)

∼

33 (17

∼

21)

Fully opened

∼

51 (28

∼

32)

107

∼

113 (66

∼

70)

—

(Third)

Half throttle

∼

20 (9

∼

12)

∼

39 (20

∼

24)

—

(Third)

Fully closed

∼

19 (8

∼

12)

∼

25 (12

∼

16)

—

Fully opened

∼

51 (28

∼

32)

∼

103 (60

∼

64)

—

(Second)

Half throttle

∼

20 (9

∼

12)

∼

103 (60

∼

64)

—

(Second)

Fully closed

∼

19 (8

∼

12)

∼

103 (60

∼

64)

—

(First)

—

∼

56 (31

∼

35)

—

7A–25

AUTOMATIC TRANSMISSION (4L30–E)

“Power mode”

Upshift

Range

Throttle

opening

→

(First Gear) (Second Gear)

km/h (mph)

→

(Second Gear) (Third Gear)

km/h (mph)

→

(Third Gear) (Fourth Gear)

km/h (mph)

Fully opened

∼

60 (34

∼

37)

114

∼

120 (71

∼

75)

174

∼

180 (108

∼

112)

(Drive)

Half throttle

∼

47 (25

∼

29)

∼

90 (52

∼

56)

136

∼

142 (84

∼

88)

Fully opened

∼

60 (34

∼

37)

114

∼

120 (71

∼

75)

—

(Third)

Half throttle

∼

47 (25

∼

29)

∼

90 (52

∼

56)

—

Fully opened

∼

60 (34

∼

37)

—

(Second)

Half throttle

∼

47 (25

∼

29)

—

Downshift

Range

Throttle

opening

←

(First Gear) (Second Gear)

km/h (mph)

←

(Second Gear) (Third Gear)

km/h (mph)

←

(Third Gear) (Fourth Gear)

km/h (mph)

Fully opened

∼

51 (28

∼

32)

107

∼

113 (66

∼

70)

163

∼

169 (101

∼

105)

(Drive)

Half throttle

∼

28 (14

∼

17)

∼

63 (35

∼

39)

108

∼

114 (67

∼

71)

(Drive)

Fully closed

∼

19 (8

∼

12)

∼

29 (14

∼

18)

∼

52 (29

∼

32)

Fully opened

∼

51 (28

∼

32)

107

∼

113 (66

∼

70)

—

(Third)

Half throttle

∼

28 (14

∼

17)

∼

63 (35

∼

39)

—

(Third)

Fully closed

∼

19 (8

∼

12)

∼

29 (14

∼

18)

—

Fully opened

∼

51 (28

∼

32)

∼

103 (60

∼

64)

—

(Second)

Half throttle

∼

28 (14

∼

17)

∼

103 (60

∼

64)

—

(Second)

Fully closed

∼

19 (8

∼

12)

∼

103 (60

∼

64)

—

(First)

—

∼

56 (31

∼

35)

—

“Winter mode”

D range, winter mode ON

→

OFF

∼

37 km/h (19

∼

23 mph)

7A–26

AUTOMATIC TRANSMISSION (4L30–E)

Lockup Speed Chart

Transfer gear ratio

High: 1.000

Rear axle ratio

4.100

ECCC Apply

ECCC Release

D range Throttle

Mode

2nd

Km/h

(mph)

3rd

Km/h

(mph)

4th

Km/h

(mph)

2nd

Km/h

(mph)

3rd

Km/h

(mph)

4th

Km/h

(mph)

opening 6%

Normal

∼

(35

∼

39)

∼

(26

∼

30)

∼

(27

∼

31)

∼

(32

∼

36)

∼

(20

∼

24)

∼

(25

∼

29)

Power

∼

(35

∼

39)

∼

(42

∼

45)

∼

(35

∼

39)

∼

(32

∼

36)

∼

(20

∼

24)

∼

(30

∼

34)

7A–27

AUTOMATIC TRANSMISSION (4L30–E)

Changing Transmission Fluid

There is no need to change the transmission fluid unless
the transmission is used under one or more of the
following heavy duty conditions.
A. Repeated short trips
B. Driving on rough roads
C. Driving on dusty roads
D. Towing a trailer
If the vehicle is used under these conditions, change the
fluid every 20,000 miles (32,000 km).

1. Place a large drain pan under the oil pan.
2. Remove the transmission oil drain screw (2) and drain

fluid.

3. Tighten drain screw (2).

Torque: 38 N

•

m (3.9 kg·m/28 Ib ft)

4. Remove the transmission overfill screw (1) and fill

transmission through overfill screw opening, using
DEXRON



–III ATF.

NOTE: Add transmission fluid until it flows out over the
overfill screw opening.

5. Let engine idle until a fluid temperature between 32

(90

F) and 57

C (135

F) is reached.

6. Add transmission fluid until it flows out over the overfill

screw opening, then close the overfill screw (1).

Torque: 38 N

•

m (3.9 kg·m/28 Ib ft)

NOTE: To prevent fluid leaks, the overfill screw and oil
drain screws gasket must be replaced each time these
screws are removed.

NOTE: Check transmission fluid temperature with
service scan tool.

7. Reset “Oil Life Monitor” data by using Tech 2.

Refer to Tech 2 OBD II Connection in Transmission
Control System (4L30-E) section.

242RW003

Selector Lever

Inspection

1. Make sure that when the selector lever is shifted from

“P” to “L”, a “clicking” can be felt at each shift position.
Make sure that the gear corresponds to that of the
position plate indicator.

2. Check to see if the selector lever can be shifted as

shown in illustration.

C07RW009

Removal

1. Disconnect battery ground cable.
2. Remove transfer control lever knob (4

4).

3. Remove front console.

Disconnect wiring harness connectors from front
console.

4. Disconnect shift lock cable (1) from the selector lever

assembly side.

256RW012

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