Mitsubishi Evolution X. Manual — part 338

22A-1

GROUP 22A

MANUAL

TRANSAXLE

CONTENTS

GENERAL INFORMATION . . . . . . . .

22A-2

SERVICE SPECIFICATION . . . . . . . .

22A-2

LUBRICANT. . . . . . . . . . . . . . . . . . . .

22A-2

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

22A-3

MANUAL TRANSAXLE DIAGNOSIS
<MANUAL TRANSAXLE> . . . . . . . . .

22A-5

INTRODUCTION. . . . . . . . . . . . . . . . . . . . .

22A-5

TROUBLESHOOTING STRATEGY . . . . . .

22A-5

SYMPTOM CHART. . . . . . . . . . . . . . . . . . .

22A-5

SYMPTOM PROCEDURES . . . . . . . . . . . .

22A-5

DIAGNOSIS <S-AWC(SUPER ALL

WHEEL CONTROL)>. . . . . . . . . . . . .

22A-8

INTRODUCTION. . . . . . . . . . . . . . . . . . . . .

22A-8

TROUBLESHOOTING STRATEGY . . . . . .

22A-8

DIAGNOSTIC FUNCTION . . . . . . . . . . . . .

22A-9

DIAGNOSTIC TROUBLE CODE CHART . .

22A-11

SYMPTOM CHART. . . . . . . . . . . . . . . . . . .

22A-14

DIAGNOSTIC TROUBLE CODE

PROCEDURES. . . . . . . . . . . . . . . . . . . . . .

22A-15

SYMPTOM PROCEDURES . . . . . . . . . . . .

22A-99

DATA LIST REFERENCE TABLE . . . . . . .

22A-107

SPECIAL FUNCTION REFERENCE

TABLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22A-113

AWD-ECU TERMINAL VOLTAGE

REFERENCE CHART FOR ACD . . . . . . . .

22A-114

ON-VEHICLE SERVICE . . . . . . . . . . .

22A-116

TRANSMISSION OIL LEVEL CHECK. . . . .

22A-116

TRANSMISSION OIL CHANGE . . . . . . . . .

22A-116

TRANSFER OIL CHECK . . . . . . . . . . . . . . .

22A-117

TRANSFER OIL CHANGE . . . . . . . . . . . . .

22A-117

FLUID CHECK. . . . . . . . . . . . . . . . . . . . . . .

22A-118

BLEEDING . . . . . . . . . . . . . . . . . . . . . . . . .

22A-118

ACD OPERATION CHECK . . . . . . . . . . . . .

22A-119

HYDRAULIC PRESSURE CHECK . . . . . . .

22A-119

TRANSAXLE CONTROL . . . . . . . . . .

22A-121

REMOVAL AND INSTALLATION . . . . . . . .

22A-121

TRANSFER ASSEMBLY . . . . . . . . . .

22A-125

REMOVAL AND INSTALLATION . . . . . . . .

22A-125

TRANSAXLE ASSEMBLY . . . . . . . . .

22A-127

REMOVAL AND INSTALLATION . . . . . . . .

22A-127

AWC-ECU . . . . . . . . . . . . . . . . . . . . . .

22A-132

REMOVAL AND INSTALLATION . . . . . . . .

22A-132

SENSOR, SWITCH AND RELAY . . . .

22A-132

REMOVAL AND INSTALLATION . . . . . . . .

22A-132

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .

22A-133

ELECTRIC PUMP RELAY CHECK . . . . . . .

22A-133

AWC SWITCH CHECK . . . . . . . . . . . . . . . .

22A-133

HYDRAULIC UNIT . . . . . . . . . . . . . . .

22A-134

REMOVAL AND INSTALLATION . . . . . . . .

22A-134

HYDRAULIC UNIT DISPOSAL . . . . . . . . . .

22A-134

GENERAL INFORMATION

TSB Revision

MANUAL TRANSAXLE

22A-2

GENERAL INFORMATION

M1221000101067

Item

Specification

Transaxle model

W5M6A

Transaxle type

5-speed forward, 1-speed reverse constant mesh

Gear ratio

1st

2.857

2nd

1.950

3rd

1.444

4th

1.096

5th

0.761

Reverse

2.892

Final gear ratio

4.687

Helical gear LSD (front differential)

Present

Transfer

Reduction
ratio

0.302

Differential
gear unit

Hydraulic pressure multiplate clutch (ACD)

SERVICE SPECIFICATION

M1221000300165

Item

Standard value

Hydraulic unit generation oil pressure MPa (psi)

0.9

− 1.1 (130 − 159)

LUBRICANT

M1221000400678

Item

Brand

Capacity

Transmission oil dm

3

(qt)

Mitsubishi genuine Dia-Queen new multi
gear oil SAE 75W-80 (GL-3)

2.5 (2.6)

Transfer oil dm

3

(qt)

Mitsubishi genuine Dia-Queen LSD Gear
Oil

0.8 (0.9)

AWC fluid dm

3

(qt)

Mitsubishi genuine Dia-Queen ATF SPIII 1.0 (1.1)

Front propeller
shaft

Sleeve yoke section

Mitsubishi genuine Dia-Queen Super
Hypoid Gear Oil SAE 90 (GL-5)

Adequate
amount

Transfer

O-ring

Mitsubishi genuine Dia-Queen ATF SPIII

Clutch release
cylinder

Push rod section

0101011 or equivalent

Transaxle
assembly

Spline sections of input shaft
and clutch disk

SPECIAL TOOLS

TSB Revision

MANUAL TRANSAXLE

22A-3

SPECIAL TOOLS

M1221000601040

Tool

Tool number and name Supersession

Application

MB991910

MB991826

MB991958

MB991911

MB991914

MB991824

MB991827

MB991825

Do not use

a

b

c

d

e

f

g

Do not use

MB991958

a: MB991824
b: MB991827
c: MB991910
d: MB991911
e: MB991914
f: MB991825
g: MB991826

M.U.T.-III sub assembly

a: Vehicle

communication
interface (V.C.I.)

b: M.U.T.-III USB cable
c: M.U.T.-III main

harness A (Vehicles
with CAN
communication
system)

d: M.U.T.-III main

harness B (Vehicles
without CAN
communication
system)

e: M.U.T.-III main

harness C (for Daimler
Chrysler models only)

f: M.U.T.-III

measurement adapter

g: M.U.T.-III trigger

harness

MB991824-KIT
NOTE: G:
MB991826
M.U.T.-III trigger
harness is not
necessary when
pushing V.C.I.
ENTER key.

Checking diagnostic trouble codes

CAUTION

For vehicles with CAN
communication, use M.U.T.-III
main harness A to send
simulated vehicle speed. If you
connect M.U.T.-III main harness B
instead, the CAN communication
does not function correctly.

MB992006

MB992006
Extra fine probe

−

Making voltage and resistance
measurement during
troubleshooting

AC103525

SPECIAL TOOLS

TSB Revision

MANUAL TRANSAXLE

22A-4

MD998330 (Includes
MD998331)
Oil pressure gauge (3.0
MPa, 427 psi)

MD998330-01

Measurement of hydraulic pressure

MB991705

MB991705

Adapter

MB991895

MB991895
Engine hanger

Tool not available When the engine hanger is used:

Supporting the engine assembly
during removal and installation of
the transaxle assembly

B991928

a

b

c

d

e

f

Slide Bracket (HI)

MB991928
Engine hanger

a: MB991929

Joint (50)

× 2

b: MB991930

Joint (90)

× 2

c: MB991931

Joint (140)

× 2

d: MB991932

Foot (standard)

× 4

e: MB991933

Foot (short)

× 2

f: MB991934

Chain and hook
assembly

Tool not available

B992201

MB992201
Engine hanger plate

−

Tool

Tool number and name Supersession

Application