Mitsubishi 380. Manual - part 831

SIDE IMPACT SENSOR

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-248

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-16

).

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.

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-airbag may not operate normally.

Securely connect the connector.

.

ACX00583

INSULATING TAPE

BATTERY

BATTERY CABLE (–)

AC

AC206185AC

FRONT SEAT BELT

RETRACTOR

SIDE

IMPACT

SENSOR

SIDE IMPACT SENSOR

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-249

>>C<< POST-INSTALLATION INSPECTION

1. Reconnect the negative (

−) battery cable.

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

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

seven seconds, and go out?

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

P.52B-20

.

INSPECTION

M1524004700251

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-21

).

1. Check the side impact sensor and bracket for dents, cracks 

or deformation.

2. Check the connector for damage, and terminals for defor-

mation.

WARNING

[SRS is a safety related item, therefore there shall be no 
attempt to repair any component or wiring harness related 
to SRS] 

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

lar.

35DB113A

SRS 
WARNING 
LAMP

SEAT BELTS WITH PRE-TENSIONER

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-250

SEAT BELTS WITH PRE-TENSIONER

M1524004100301

REMOVAL AND INSTALLATION

WARNING

•

Never attempt to disassemble or repair the seat belt pre-tensioner. If faulty, replace it.

•

Be extremely careful when handling the seat belt with pre-tensioner. Do not subject it to 
shocks, drop it, bring it close to strong magnets or allow contact with water, grease or oil. 
Always replace it with a new part if any dents, cracks or deformation is found.

•

Do not place anything on the seat belt pre-tensioner.

•

Do not expose the seat belt pre-tensioner to temperatures over 90

°C (194°F).

•

After operating the seat belt pre-tensioner, replace the seat belt pre-tensioner with a new 
part.

•

Gloves and protective goggles must be worn when handling a seat belt pre-tensioner 
once it has been used.

•

If disposing of a seat belt with pre-tensioner which has not yet been operated, its seat belt 
pre-tensioner must be operated first before disposal. (Refer to 

P.52B-254

).

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

AC307809

AC307810

1

AB

44 ± 10 N·m
33 ± 7 ft-lb

44 ± 10 N·m
33 ± 7 ft-lb

3

2

7

4

6

5

44 ± 10 N·m
33 ± 7 ft-lb

REMOVAL STEPS

<<A>>

1. NEGATIVE (

−) BATTERY CABLE 

CONNECTION

2. SASH GUIDE COVER
3. SEAT BELT SHOULDER ANCHOR 

BOLT

4. SEAT BELT LOWER ANCHOR BOLT 

<DRIVER’S SEAT BELT>

5. FINAL ANCHOR BRACKET 

<PASSENGER’S SEAT BELT>

REMOVAL STEPS (Continued)

SEAT BELTS WITH PRE-TENSIONER

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

52B-251

Required Special Tools: 

• MB991958: diagnostic tool (MUT-III Sub Assem-

bly)

• MB991824: V.C.I.

• MB991827: USB Cable

• MB991910: Main Harness A

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-16

).

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.

.

•

CENTER PILLAR TRIM, LOWER 
(REFER TO GROUP 52A, TRIMS 

P.52A-11

).

<<B>>

6. PRE-TENSIONER CONNECTOR 

CONNECTION

7. OUTER SEAT BELT WITH 

PRE-TENSIONER
INSTALLATION STEPS

>>A<<

•

PRE-INSTALLATION INSPECTION

7. OUTER SEAT BELT WITH 

PRE-TENSIONER

>>B<<

6. PRE-TENSIONER CONNECTOR 

CONNECTION

•

CENTER PILLAR TRIM, LOWER 
(REFER TO GROUP 52A, TRIMS 

P.52A-11

).

5. FINAL ANCHOR BRACKET 

<PASSENGER’S SEAT BELT>

4. SEAT BELT LOWER ANCHOR BOLT 

<DRIVER’S SEAT BELT>

3. SEAT BELT SHOULDER ANCHOR 

BOLT

2. SASH GUIDE COVER
1. NEGATIVE (

−) BATTERY CABLE 

CONNECTION

>>C<<

•

POST-INSTALLATION INSPECTION

REMOVAL STEPS (Continued)

ACX00583

INSULATING TAPE

BATTERY

BATTERY CABLE (–)

AC