Mitsubishi Lancer Evolution X. Manual - part 510

AWC-ECU

TSB Revision

MANUAL TRANSAXLE

22A-133

AWC-ECU

REMOVAL AND INSTALLATION

M1221021300030

SENSOR, SWITCH AND RELAY

REMOVAL AND INSTALLATION

M1221012300098

.

STEERING WHEEL SENSOR

Refer to GROUP 35C, Steering wheel sensor 

P.35C-305

.

.

G AND YAW RATE SENSOR

Refer to GROUP 35C, G and yaw rate sensor 

P.35C-304

.

.

WHEEL SPEED SENSOR

Refer to GROUP 35C, Wheel speed sensor 

P.35C-300

.

.

AWC SWITCH

Refer to GROUP 37 − Steering <vehicles without 

steering wheel audio remote control switch>

P.37-29

  

or GROUP 52A − Floor Console <vehicles with steer-

ing wheel audio remote control switch>

P.52A-10

 .

.

Pre-removal and Post-installation Operation
• Bottom Cover Removal and Installation (Refer to GROUP 

52A − Glove Box 

P.52A-7

.)

AC710454 AB

2

1

8.5 ± 1.5 N·m
76 ± 13 in-lb

Removal steps 

1.

AWC-ECU

2.

AWC-ECU connector connection

SENSOR, SWITCH AND RELAY

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MANUAL TRANSAXLE

22A-134

ELECTRIC PUMP RELAY

INSPECTION

ELECTRIC PUMP RELAY CHECK

M1221021700027

1. Using a jumper wire, connect the positive battery terminal 

(+) to the electric pump relay terminal No. 3, and the 
negative battery terminal (-) to the terminal No. 1.

2. Check for continuity between the electric pump relay 

terminals No. 2 and No. 4.

3. If defective, replace the electric pump relay.

AWC SWITCH CHECK

M1221021800024

<VEHICLES WITH STEERING WHEEL VOICE 
CONTROL SWITCH>

1. Check the continuity between the AWC switch connector 

terminals.

AC710463 AB

Electric pump relay

Jumper wire

Continuity between 
terminals No. 2 and No. 4

Connect

Yes (2 Ω or less)

Disconnect

No

AC710463

3

1

4

2

AC

Electric pump relay

AC707868

3

1

4

2

AC

SENSOR, SWITCH AND RELAY

TSB Revision

MANUAL TRANSAXLE

22A-135

2. When other than above, replace the AWC switch.

<EXCEPT VEHICLES WITH STEERING WHEEL 
VOICE CONTROL SWITCH>

1. Check the resistance and continuity between the AWC 

switch connector terminals.

2. When other than above, replace the AWC switch.

AWC selection 
switch 
terminal No.

AWC selection 
switch

Continuity

1 − 2

ON

Yes (2 Ω or less)

OFF

No

3 − 4

−

Present

AC707872

1 2 3

5

4

6

AC

AWC switch

AWC selection 
switch 
terminal No.

AWC selection 
switch

Resistance 
value

2 − 4

(−)

Approximately 
270 Ω

(+)

Approximately 
2.1 kΩ

OFF

Approximately 
71 kΩ

Terminal No.

Probe (Tester: 
Ω range)

Continuity

1 

−

Present

5

+

1 

+

No

5

−

AC707878 AC

AWC
switch

( – )

( + )

HYDRAULIC UNIT

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MANUAL TRANSAXLE

22A-136

HYDRAULIC UNIT

REMOVAL AND INSTALLATION

M1221012800059

Refer to GROUP 27, Hydraulic unit 

P.27-57

.

HYDRAULIC UNIT DISPOSAL

M1221012900045

Refer to GROUP 27 − Hydraulic Unit Disposal 

P.27-59

.