Mitsubishi Evolution X. Manual - part 739

SIDE IMPACT SENSOR

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-403

REMOVAL SERVICE POINTS

.

<<A>> NEGATIVE (

−) BATTERY CABLE DISCON-

NECTION

DANGER

Wait at least 60 seconds after disconnecting the bat-
tery cable before doing any further work (Refer to 

P.52B-25

).

WARNING

Battery posts, terminals and related accessories con-
tain lead and lead compounds. WASH HANDS AFTER 
HANDLING.

Disconnect the negative (

−) battery cable from the battery and 

tape the terminal to prevent accidental connection and air bag 
deployment.

.

<<B>> SIDE IMPACT SENSOR CONNECTOR 
REMOVAL

Slide the outer housing of the impact sensor connector in the 
arrow direction shown, and disconnect the connector.

INSTALLATION SERVICE POINTS

.

>>A<< PRE-INSTALLATION INSPECTION

Check the side impact sensor for dents, breakage and bending 
and measure the resistance between the terminals, even when 
installing a new side impact sensor.

.

>>B <<SIDE IMPACT SENSOR INSTALLATION

WARNING

If the side impact sensor is not installed securely and 
correctly, the side-air bag may not operate normally.

Securely connect the connector.

.

ACX00583

Insulating tape

Battery cable

Battery

AF

AC709474

Side impact sensor 

Outer housing of the 
impact sensor 
connector

AB

SIDE IMPACT SENSOR

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-404

>>C<< POST-INSTALLATION INSPECTION

1. Reconnect the negative (

−) battery cable.

2. Turn the ignition switch to the "ON" position.

3. Does the "SRS" warning light illuminate for approximately 

seven seconds, and go out?

4. If yes, the SRS system is functioning properly. If not, refer to 

P.52B-31

.

INSPECTION

M1524004700723

WARNING

If a dent, crack, deformation or rust is 
detected, replace with a new sensor.

NOTE: For checking of the side impact sensor other 
than described below, refer to the section concerning 
SRS diagnosis (Refer to 

P.52B-31

 ).

1. Check the side impact sensor and bracket for 

dents, cracks or deformation.

2. Check the connector for damage, and terminals 

for deformation.

3. Check that there is no bending or corrosion in the 

center pillar.

AC709154

SRS warning light

AB

SIDE-AIRBAG MODULE(S)

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-405

SIDE-AIRBAG MODULE(S)

REMOVAL AND INSTALLATION 

M1524036500148

WARNING

•

Never attempt to disassemble or repair the side-air bag modules. If faulty, replace it.

•

Do not drop the side-air bag modules or allow contact with water, grease or oil. Replace it 
if a dent, crack, deformation or rust is detected.

•

Do not expose the side-air bag modules to temperatures over 93

°

C (200

°

F).

•

After deployment of the air bag, replace the air bag module with a new one.

•

Wear gloves and safety glasses when handling air bags that have already deployed.

•

An undeployed side-air bag module should only be disposed of in accordance with the 
procedures (Refer to 

P.52B-417

).

•

When removing and installing the front passenger seat, be sure to carry out accuracy 
check occupant classification sensor after the seat has been installed in the vehicle 
(On-vehicle Service 

P.52B-378

).

Pre-removal Operation
• Turn the ignition switch to the "LOCK" (OFF) position.

AC709125

7

7

8

6

2

5

4

3

AB

1

40 ± 4 N·m
30 ± 2 ft-lb

40 ± 4 N·m
30 ± 2 ft-lb

SIDE-AIRBAG MODULE(S)

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-406

REMOVAL SERVICE POINT

.

<<A>> NEGATIVE (

−) BATTERY CABLE DISCON-

NECTION

DANGER

Wait at least 60 seconds after disconnecting the bat-
tery cable before doing any further work (Refer to 

P.52B-25

).

WARNING

Battery posts, terminals and related accessories con-
tain lead and lead compounds. WASH HANDS AFTER 
HANDLING.

Disconnect the negative (

−) battery cable from the battery and 

tape the terminal to prevent accidental connection and air 
bag(s) deployment.

.

<<B>> FRONT SEATBACK REMOVAL

CAUTION

• When replacing the side-air bag module, replace the 

front seatback.

• Never use an electric tester to diagnose the air bag 

module circuit. Never attempt to disassemble the air 
bag module.

• Store the removed front seatback in a clean and dry 

place.

• When discarding the air bag module, discard after 

deploying the air bag as specified in the service proce-
dure (Refer to 

P.52B-417

).

Removal steps 

<<

A

>>

1.

Negative (

−) battery cable

•

Front seat assembly (Refer to 
GROUP 52A, Front Seat Assembly 

P.52A-20

).

2.

Seat cushion cover fixation clip

3.

Hinge cover

4.

Reclining adjuster knob

5.

Side shield cover

6.

Front seatback assembly

7.

Headrestraint garnish

<<

B

>>

8.

Front seatback

Installation steps 

>>

A

<<

•

Pre-installation inspection

8.

Front seatback

7.

Headrestraint garnish

6.

Front seatback assembly

5.

Side shield cover

4.

Reclining adjuster knob

3.

Hinge cover

2.

Seat cushion cover fixation clip

•

Front seat assembly (Refer to 
GROUP 52A, Front Seat Assembly 

P.52A-20

).

1.

Negative (

−) battery cable

>>

B

<<

•

Post-installation inspection

ACX00583

Insulating tape

Battery cable

Battery

AF