Mitsubishi L200. Manual — part 309

A/T-ECU

AUTOMATIC TRANSMISSION

23A-143

A/T-ECU

REMOVAL AND INSTALLATION

M1231130200222

AC509596

3

1

AB

12 ± 2 N·m

5.0 ± 1.0 N·m

5

4

2

<LHD>

<RHD>

Removal steps

•

Driver’s side under cover (Refer to
GROUP 52A, Instrument Panel
Assembly ).

1.

A/T-ECU connector connection

2.

A/T-ECU and A/T-ECU bracket
assembly

3.

Harness connection

4.

A/T-ECU bracket

5.

A/T-ECU

4WD INDICATOR-ECU

REMOVAL AND INSTALLATION

M1231119100015

Refer to GROUP 22A .

Removal steps (Continued)

23B-1

GROUP 23B

AUTOMATIC

TRANSMISSION

OVERHAUL <R4A5>

CONTENTS

GENERAL INFORMATION . . . . . . . .

23B-2

GENERAL SPECIFICATIONS . . . . . .

23B-4

SERVICE SPECIFICATIONS. . . . . . .

23B-4

TORQUE SPECIFICATIONS . . . . . . .

23B-4

VALVE BODY SPRING IDENTIFICATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23B-5

SNAP RING, SPACER, THRUST WASHER,
THRUST RACE AND PRESSURE PLATE FOR
ADJUSTMENT . . . . . . . . . . . . . . . . . .

23B-5

SEALANTS . . . . . . . . . . . . . . . . . . . .

23B-7

LUBRICANT(S) . . . . . . . . . . . . . . . . .

23B-8

SPECIAL TOOLS. . . . . . . . . . . . . . . .

23B-8

TRANSMISSION AND EXTENSION HOUSING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23B-10

TRANSMISSION AND EXTENSION HOUSING
DISASSEMBLY AND REASSEMBLY. . . . .

23B-10

EXTENSION HOUSING . . . . . . . . . . .

23B-12

EXTENSION HOUSING DISASSEMBLY AND
REASSEMBLY . . . . . . . . . . . . . . . . . . . . . .

23B-12

TRANSMISSION . . . . . . . . . . . . . . . . .

23B-14

TRANSMISSION DISASSEMBLY AND REASSEMBLY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23B-14

REVERSE AND OVERDRIVE CLUTCH

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23B-41

REVERSE AND OVERDRIVE CLUTCH
DISASSEMBLY AND REASSEMBLY . . . . .

23B-41

SECOND BRAKE . . . . . . . . . . . . . . . .

23B-44

SECOND BRAKE DISASSEMBLY AND
REASSEMBLY . . . . . . . . . . . . . . . . . . . . . .

23B-44

LOW REVERSE ANNULUS GEAR . .

23B-45

LOW REVERSE ANNULUS GEAR DISASSEMBLY
AND REASSEMBLY . . . . . . . . . . . . . . . . . .

23B-45

CENTRE SUPPORT . . . . . . . . . . . . . .

23B-46

CENTRE SUPPORT DISASSEMBLY AND
REASSEMBLY . . . . . . . . . . . . . . . . . . . . . .

23B-46

UNDERDRIVE CLUTCH . . . . . . . . . . .

23B-48

UNDERDRIVE CLUTCH DISASSEMBLY AND
REASSEMBLY . . . . . . . . . . . . . . . . . . . . . .

23B-48

VALVE BODY . . . . . . . . . . . . . . . . . . .

23B-51

VALVE BODY DISASSEMBLY AND REASSEMBLY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23B-51

GENERAL INFORMATION

AUTOMATIC TRANSMISSION OVERHAUL <R4A5>

23B-2

GENERAL INFORMATION

M1233000101848

TRANSMISSION MODEL

Transmission model

Engine model

Vehicle model

R4A5A-J-LH

4D56 DI-D DOHC

KA4T

SECTIONAL VIEW

2 5 N T

2 1 N T

6 8 N T

7 0 N T

1 7 N T

3 8 N T

AK801605

GENERAL INFORMATION

AUTOMATIC TRANSMISSION OVERHAUL <R4A5>

23B-3

HYDRAULIC CIRCUIT

AK600223

P

RND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

AB

1.

Reverse clutch

2.

Low/reverse brake

3.

Second brake

4.

Underdrive clutch

5.

Overdrive clutch

6.

Damper clutch

7.

Fail-safe valve A

8.

Fail-safe valve B

9.

Damper clutch control valve

10.

Switching valve

11.

Cooler

12.

Low-reverse brake pressure control valve

13.

Second brake pressure control valve

14.

Underdrive clutch pressure control valve

15.

Overdrive clutch pressure control valve

16.

Damper clutch control solenoid valve

17.

Low-reverse brake solenoid valve

18.

Second brake solenoid valve

19.

Underdrive clutch solenoid valve

20.

Overdrive clutch solenoid valve

21.

Torque converter pressure control valve

22.

Regulator valve

23.

Manual valve

24.

Oil filter

25.

Oil pan

26.

Oil pump

27.

Oil strainer