Mitsubishi Evolution X. Manual - part 740

SIDE-AIRBAG MODULE(S)

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-407

INSTALLATION SERVICE POINTS

.

>>A<< PRE-INSTALLATION INSPECTION

WARNING

Dispose of side-air bag modules only according to 
the specified procedure (Refer to 

P.52B-417

).

1. When installing the new side-air bag modules, refer to 

“INSPECTION” (

P.52B-408

).

2. Connect the negative (

−) battery cable.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
3. Connect scan tool MB991958 to the data link connector.
4. Turn the ignition switch to the “ON” position.
5. Check DTCs using scan tool MB991958 to ensure entire 

SRS operates properly.
At this time, check that no DTC except B1C29, B1C2D are 
set.

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.

6. Turn the ignition switch to the "LOCK" (OFF) position. 

Disconnect the negative (

−) battery cable and tape the 

terminal to prevent accidental connection and air bags 
deployment.

.

>>B<< POST-INSTALLATION INSPECTION

1. Reconnect the negative (

−) battery cable.

2. Turn the ignition switch to “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

.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

AC709154

SRS warning light

AB

SIDE-AIRBAG MODULE(S)

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-408

INSPECTION

M1524036700034

.

DANGER

Never attempt to measure the circuit resistance of the 
air bag modules (squib), even if you are using the 
specified tester. If the circuit resistance is measured 
with a tester, accidental air bag deployment will 
result, and possible serious personal injury.

WARNING

•

If any component damage is found during the fol-
lowing inspection, replace the air bag module with 
a new one. Dispose of the old one according to the 
specified procedure (Refer to 

P.52B-417

).

•

There must be no abnormality to the air bag 
deployment section of front seatback.

1. Check the inflator surface for cracks, dents or deformations.
2. Check the air bag for breakage.
3. Check the connector for damage, the terminal for 

deformation and the harness for binding.

AC707634 AC

Side-airbag module 
deployment section

CURTAIN AIR BAG MODULE(S)

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-409

CURTAIN AIR BAG MODULE(S)

REMOVAL AND INSTALLATION

M1524013500288

WARNING

•

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

•

Do not drop the curtain 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 curtain 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 curtain 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.

AC608584

1

AB

7.0 ± 3.0 N·m
62 ± 27 in-lb    

7.0 ± 3.0 N·m
62 ± 27 in-lb    

2

3

Removal steps 

<<A>>

1. Negative (

−) battery cable

• Headlining (Refer to GROUP 52A, 

Headlining 

P.52A-17

).

<<B>>

2. Curtain air bag module connector

<<C>>

3. Curtain air bag module

Installation steps 

>>A<<

• Pre-installation inspection

>>B<<

3. Curtain air bag module

>>C<<

2. Curtain air bag module connector
• Headlining (Refer to GROUP 52A, 

Headlining 

P.52A-17

).

1. Negative (

−) battery cable

>>D<<

• Post-installation inspection

CURTAIN AIR BAG MODULE(S)

TSB Revision

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-410

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 seat belt 
pre-tensioner operation.

.

<<B>> CURTAIN AIR BAG MODULE CONNECTOR 
REMOVAL

Use a flat-tipped screwdriver to unlock the locking button of the 
rear floor wiring harness side connector. After releasing the 
lock, disconnect the connector.

.

<<C>> CURTAIN AIR BAG MODULE REMOVAL

WARNING

•

The air bag module must not be measured with 
such equipment as an ohmmeter.

•

The air bag module must not be disassembled.

•

The removed air bag module should be stored in a 
clean, dry place with the deployment surface fac-
ing up.

INSTALLATION SERVICE POINTS

.

>>A<< PRE-INSTALLATION INSPECTION

WARNING

Dispose of curtain air bag module only according to 
the specified procedure (Refer to 

P.52B-25

).

1. When installing the new curtain air bag module, refer to 

“INSPECTION” (

P.52B-412

).

2. Connect the negative (

−) battery cable.

ACX00583

Insulating tape

Battery cable

Battery

AF

AC609679

Rear floor wiring harness 
side connector

Locking button

Flat-tipped 
screwdriver

AB