Lexus RX300 (MCU15). Service manual - part 534

R05403

H05111

10 m (33 ft) or more

SST

Battery

Side Airbag
Assembly

H00544

RS–46

–

SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG ASSEMBLY

LEXUS RX300   (RM785E)

(3)

Tie the tires together with 2 wire harness.

CAUTION:
Make sure that the wire harness are tight. It is very danger-
ous when loose wire harness results in the tires coming
free due to the shock from the airbag deploying.
HINT:
Place the SST connector and wire harness inside tires. Secure
at least 1 m (3 ft) of slack for the wire harness.

(e)

Install the SST.
Connect the connectors of the 2 SST to the side airbag
assembly connector.
SST

09082–00700, 09082–00750

NOTICE:
To avoid damaging the SST connector and wire harness,
do not lock the secondary lock of the twin lock. Also, se-
cure some slack for the SST wire harness inside the tire.
(f)

Deploy the airbag.
(1)

Connect the SST red clip to the battery positive (+)
terminal and the black clip to the battery negative
(–) terminal.

(2)

Check that no one is within 10 m (33 ft) area around
the tire which the side airbag assembly is tied to.

(3)

Press the SST activation switch and deploy the air-
bag.

HINT:
The airbag deploys simultaneously as the LED of the SST ac-
tivation switch lights up.

(g)

Dispose of the side airbag assembly.

CAUTION:

S

The side airbag assembly is very hot when the airbag
is deployed, so leave it alone for at least 30 minutes
after deployment.

S

Use gloves and safety glasses when handling a side
airbag assembly with the deployed airbag.

S

Do not apply water etc. to a side airbag assembly with
the deployed airbag.

S

Always wash your hands with water after completing
the operation.
(1)

Remove the side airbag assembly from the tire.

(2)

Place the side airbag assembly in a vinyl bag, tie the
end tightly and dispose of it in the same way as oth-
er general parts disposal.

H00544

–

SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG ASSEMBLY

RS–47

LEXUS RX300   (RM785E)

3.

DEPLOYMENT WHEN DISPOSING OF SIDE AIRBAG
ASSEMBLY WITH AIRBAG DEPLOYED IN COLLISION

Dispose of the side airbag assembly.
CAUTION:

S

The side airbag assembly is very hot when the airbag
is deployed, so leave it alone for at least 30 minutes
after deployment.

S

Use gloves and safety glasses when handling a side
airbag assembly with the deployed airbag.

S

Do not apply water etc. to a side airbag assembly with
the deployed airbag.

S

Always wash your hands with water after completing
the operation.
(1)

Remove the side airbag assembly from the seat
(See page see step 2).

(2)

Place the side airbag assembly in a vinyl bag, tie the
end tightly and dispose of it in the same way as oth-
er general parts disposal.

RS0K6–01

RS–48

–

SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG ASSEMBLY

LEXUS RX300   (RM785E)

REPLACEMENT

REPLACEMENT REQUIREMENTS
In the following cases, replace the seatback assembly.

Case

Replacing part

If the side airbag has been deployed.

Seatback assembly

If the side airbag assembly has been found to be faulty in troubleshooting.

Seatback assembly

If the side airbag assembly has cuts during checking items 

(See page RS–41).

Seatback assembly

If the side airbag assembly has been found to be faulty during checking items

(See page RS–41).

Seatback assembly

If the seatback assembly has been dropped.

Seatback assembly

CAUTION:
For removal and installation of the seatback assembly, see page RS–39 and RS–49. Be sure to follow
the correct procedure.

RS0RY–01

H05112

H05100

–

SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG ASSEMBLY

RS–49

LEXUS RX300   (RM785E)

INSTALLATION

NOTICE:
Never use airbag parts from another vehicle. When replac-
ing parts, replace them with new parts.
1.

INSTALL SEATBACK FRAME

(a)

Install the seatback cover with pad to the seatback frame
with the new hog rings.

HINT:
When installing hog rings, take care to prevent wrinkles as
much as possible.
(b)

Install the armrest, wave washer and washer with the bolt,
then install the cap.

(c)

Install the headrest supports.

(d)

Engage the seat cover hook and retainer, then install the
2 screws to the seatback frame.

(e)

Install the new hog rings.

HINT:
When installing hog rings, take care to prevent wrinkles as
much as possible.
2.

INSTALL SEATBACK ASSEMBLY

(a)

Mount the seatback assembly on the seat adjuster as-
sembly.

(b)

Connect the lumber support assembly connector.

(c)

Install the wire harness to the seat cushion inside covers
as shown in the illustration.

NOTICE:
Be careful not to damage the wire harness.
(d)

Install the seat cushion inside covers with the 6 screws.

(e)

Install the 4 seatback assembly set bolts.
Torque: 37 N·m (377 kgf·cm, 27 ft·lbf)

(f)

Engage the wire harness clamps.

(g)

Install the new hog rings.

HINT:
When installing hog rings, take care to prevent wrinkles as
much as possible.