Mitsubishi L200. Manual - part 302

ON-VEHICLE SERVICE

AUTOMATIC TRANSMISSION

23A-115

3. Check that the oil is not noticeably dirty.
4. Install the filler plug and new gasket, and tighten 

them to the specified torque.

Tightening torque: 32 

± 2 N⋅m

TRANSFER OIL REPLACEMENT <4WD>

M1231112500357

AC502640AB

Filler plug

Drain plug

AC700330AM

Gasket

Transfer oil

Filler plug hole

Filler plug

1. Remove the filler plug and gasket.
2. Remove the drain plug and gasket, and then drain 

the oil.

3. Install the drain plug and new gasket, then tighten 

them to the specified torque.

Tightening torque: 32 

± 2 N⋅m

4. Fill with gear oil API classification GL-3 SAE 75W-

85 or API classification GL-4 SAE 75W-85 until 
the level comes to the lower portion of filler plug 
hole.

Quantity: 2.5 L

5. Install the filler plug and new gasket, then tighten 

them to the specified torque.

Tightening torque: 32 

± 2 N⋅m

4WD DETECTION SWITCH CONTINUITY 
CHECK <EASY SELECT 4WD>

M1231146000023

AC503108AB

Check the continuity between terminal of the black 
connector indicated in the illustration.

Transfer lever position Specified condition
2H

Open circuit

4H, 4L

Continuity (Less than 2 
Ω)

HIGH/LOW DETECTION SWITCH 
CONTINUITY CHECK <EASY SELECT 
4WD>

M1231145600022

AC503107AB

Check the continuity between terminal of the grey 
connector indicated in the illustration.

Transfer lever position Specified condition
While switching between 
4H and 4L

Open circuit

2H, 4H, 4L

Continuity (Less than 2 
Ω)

ON-VEHICLE SERVICE

AUTOMATIC TRANSMISSION

23A-116

CENTRE DIFFERENTIAL LOCK 
DETECTION SWITCH CHECK <SUPER 
SELECT 4WD>

M1231121300191

AC509434AC

Check the continuity between terminal of the brown 
connector and earth indicated in the illustration.

Transfer lever position Specified condition
4HLc and 4LLc

Continuity (Less than 2 
Ω)

2H and 4H

Open circuit

2WD/4WD DETECTION SWITCH CHECK 
<SUPER SELECT 4WD>

M1231111900095

AC509434AB

Check the continuity between terminal of the black 
connector and earth indicated in the illustration.

Transfer lever position Specified condition
4H, 4HLc and 4LLc

Open circuit

2H

Continuity (Less than 2 
Ω)

CENTRE DIFFERENTIAL LOCK 
OPERATION DETECTION SWITCH 
CHECK <SUPER SELECT 4WD>

M1231121400121

AC509434AD

Check the continuity between terminal of the black 
connector and earth indicated in the illustration.

Transfer lever position Specified condition
2H and 4H

Open circuit

4HLc and 4LLc

Continuity (Less than 2 
Ω)

4WD OPERATION DETECTION SWITCH 
CONTINUITY CHECK <SUPER SELECT 
4WD>

M1231131900086

AC509434AF

Check the continuity between terminal of the brown 
connector and earth indicated in the illustration.

Transfer lever position Specified condition
2H

Open circuit

4H, 4HLc and 4LLc

Continuity (Less than 2 
Ω)

ON-VEHICLE SERVICE

AUTOMATIC TRANSMISSION

23A-117

HIGH/LOW DETECTION SWITCH 
CONTINUITY CHECK <SUPER SELECT 
4WD>

M1231132100083

AC509434AG

Check the continuity between terminal of the white 
connector and earth indicated in the illustration.

Transfer lever position Specified condition
While switching between 
4HLc and 4LLc

Open circuit

2H, 4H, 4HLc and 4LLc Continuity (Less than 2 

Ω)

A/T CONTROL COMPONENT LAYOUT

M1231102000511

Name

Symbol

Name

symbol

4WD indicator-ECU

H

Engine-ECU

G

A/T control relay

A

4LLc operation detection switch <4WD>

B

A/T control solenoid valve assembly

E

Inhibitor switch

D

A/T fluid temperature sensor

E

Input shaft speed sensor

C

A/T-ECU

I

Output shaft speed sensor

F

Diagnosis connector

K

Overdrive switch <4A/T>

J

AC509780

B

A

D

E

G

AB

H

F

J

K

C

I

G

H

J

K

I

<LHD>

<RHD>

A/T CONTROL COMPONENT CHECK

OVERDRIVE SWITCH CHECK

M1231121800022

Refer to 

P.23A-132

.

ON-VEHICLE SERVICE

AUTOMATIC TRANSMISSION

23A-118

INHIBITOR SWITCH CHECK

M1231112600150

Refer to 

P.23A-113

.

A/T CONTROL RELAY CHECK

M1231110300302

AC503999

AB

A/T control relay

1. Removal the A/T control relay.

AC504000

2. Use the jumper leads to connect A/T control relay 

terminal 2 to the negative battery terminal and 
terminal 1 to the positive battery terminal.

3. Check the continuity between A/T control relay 

connector terminals 3 and 4 while alternately 
connecting and disconnecting the jumper leads 
from the battery terminals.

Jumper leads

Continuity between 
terminals 3 and 4

Connected

Continuity (Less than 2 

Ω)

Disconnected

Open circuit

4. If there is a malfunction, replace the A/T control 

relay.

SOLENOID VALVE CHECK

M1231110400291

1. Use the M.U.T.-III to measure the A/T fluid 

temperature and check that the A/T fluid 
temperature is 20

°C.

AC501840

AC

A/T control solenoid 
valve assembly 
connector

7

10

5

3

1 2

4

6

9

8

2. Disconnect the A/T control solenoid valve 

assembly connector.

3. Measure the resistance between the solenoid 

valve terminals.

4. Check that the measured values are within the 

standard values at items 1 and 3.

STANDARD VALUE:

Name

Terminal 
No.

Resistance 
value

Damper clutch control 
solenoid valve

7 

− 10

2.7 

− 3.4 Ω 

(A/T fluid 
temperatur
e 20

°C)

Low-reverse solenoid valve 6 

− 10

Second solenoid valve

4 

− 9

Underdrive solenoid valve

3 

− 9

Overdrive solenoid valve

5 

− 9

Reduction solenoid valve 
<5A/T>

8 

− 10

5. If within the standard value, check the power 

supply and the earth circuits.

6. If not within the standard value, drain the A/T fluid 

and remove the valve body cover.

AC606199AC

Damper clutch control 
solenoid valve

Underdrive solenoid valve

Low-reverse solenoid valve

Reduction solenoid 
valve <5A/T>

Second solenoid valve

Overdrive solenoid valve

7. Disconnect the solenoid valve connectors.