Mitsubishi L200. Manual — part 274
23A-3
A/T-ECU . . . . . . . . . . . . . . . . . . . . . . .
A/T-ECU REMOVAL AND INSTALLATION
4WD INDICATOR-ECU. . . . . . . . . . . .
4WD INDICATOR ECU REMOVAL AND
INSTALLATION . . . . . . . . . . . . . . . . . . . . . .
GENERAL
AUTOMATIC TRANSMISSION
23A-4
GENERAL
M1231100100675
OUTLINE OF CHANGE
V5A5A type automatic transmission (5A/T) has been
newly adopted as well as the R4A5A/V4A5A type
automatic transmission (4A/T). The items for 5A/T
vehicles that differ from 4A/T vehicles are as follows:
SPECIFICATIONS
Item
Specification
Transmission model
R4A5A
V4A5A-J-LEEP
V4A5A-J-LEEL
V4A5A-J-LEEY
V5A5A
Engine model
4D5 (Except high power)
4D5 (High
power)
Torque
converter
Type
3-element, 1-stage, 2-phase type
Lock-up
Provided
Stall torque
ratio
1.62
Transmission type
4 forward speeds, 1 reverse speed, fully automatic
5 forward
speeds, 1
reverse speed,
fully automatic
Transmission
gear ratio
1st
2.842
3.789
2nd
1.495
2.057
3rd
1.000
1.421
4th
0.731
1.000
5th
−
0.731
Reverse
2.720
3.865
Drive system
2WD
Easy select 4WD Super select 4WD
Transfer type
-
2-speed, constant mesh
Transfer gear
ratio
High
-
1.000
Low
-
1.900
Clutch
Multi-disk type
× 3 sets
Multi-disc type 4
sets
Brake
Multi-disk type
× 2 sets
Multi-disc type 2
sets, band type 1
set
Manual control system
P-R-N-D-2-L + Overdrive (6 positions)
P-R-N-D (4
positions) +
Sport mode (up,
down)
Shift pattern control
Electronic control
Hydraulic control during shifting Electronic control (Each clutch hydraulically independently controlled)
Lock-up clutch control
Electronic control
GENERAL
AUTOMATIC TRANSMISSION
23A-5
SECTIONAL VIEW
AC608404
1
2 3 4 5 6 7 8 9 10 11 12
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
29
30
31
32
33
34
AB
13
1.
Damper clutch
2.
Torque converter
3.
Oil pump
4.
Overdrive clutch
5.
Reverse clutch
6.
Overdrive planetary carrier
7.
Second brake
8.
Output planetary carrier
9.
Low-reverse brake
10. One-way clutch
11. Centre support
12. Underdrive clutch
13. Direct planetary carrier
14. Direct clutch
15. Reduction brake band
16. One-way clutch
17. Output shaft support
18. Parking gear
19. Transfer input gear
20. High/low clutch
21. Low speed gear
22. Differential lock hub
23. 2WD/4WD synchronizer
24. Drive sprocket
25. Chain
26. Viscous coupling unit
27. Centre differential
28. Rear output shaft
29. Transfer drive shaft
30. Front output shaft
31. Transfer counter gear
32. Output shaft
33. Valve body
34. Input shaft
CONSTRUCTION AND OPERATON
AC603484
OD REV
2ND
LR
UD
DIR
RED
OWC-L
OWC-D
AB
The gear train consists of four multi-disc clutches,
two multi-disc brakes, one band type brake, two one-
way clutch, and three planetary gear sets. Each plan-
etary gear set consists of a sun gear, carrier, pinion
gears, and annulus gear.
GENERAL
AUTOMATIC TRANSMISSION
23A-6
OPERATING ELEMENTS AND THEIR FUNCTIONS
Operating element
Code
Function
Underdrive clutch
UD
Connects input shaft and underdrive sun gear
Reverse clutch
REV
Connects input shaft and reverse sun gear
Overdrive clutch
OD
Connects input shaft and overdrive planetary carrier
Direct clutch
DIR
Connects direct sun gear and direct planetary carrier
Low-reverse brake
LR
Locks low-reverse annulus gear and the overdrive planetary carrier
Second brake
2ND
Locks reverse sun gear
Reduction brake
RED
Locks direct sun gear
One-way clutch (Direct
clutch position)
OWC-D
Restricts rotation direction of direct sun gear
One-way clutch (Low
reverse brake position)
OWC-L
Restricts rotation direction of low-reverse annulus gear
SELECTOR LEVER POSITIONS AND OPERATING ELEMENTS
Selector lever
position
Operating element
Under
drive
clutch
(UD)
Reverse
clutch
(REV)
Over
drive
clutch
(OD)
Direct
clutch
(DIR)
Low-
reverse
brake
(LR)
Second
brake
(2ND)
Reducti
on
brake
(RED)
One-
way
clutch
(OWC-
D)
One-
way
clutch
(OWC-
L)
P
Parking
×
×
R
Reverse
×
×
×
N
Neutral
×
×
D or
sport
mode
1st
×
×*
×
×
×
2nd
×
×
×
×
3rd
×
×
×
×
4th
×
×
×
5th
×
×
×
NOTE:
.
• ×
: Function element.
•
*: Operates only when the vehicle is stationary (at approximately 10 km/h or less) and in the sport mode.
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