Lexus RX300 (MCU15). Service manual — part 528

R04211

Inner Diam.

Tires
(3 or More)

Width

H05075

10 m (33 ft) or more

H03208

RS–22

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

LEXUS RX300 (RM785E)

S

Covering method using tires:
Place at least 3 tires without disc wheel on top of the
disc wheel with tire to which the steering wheel pad
is tied.

Tire size: Must exceed the following dimensions–
Width: 185 mm (7.87 in.)
Inner diameter: 360 mm (14.17 in.)

CAUTION:
Do not use tires with disc wheels.
NOTICE:
The tires may be marked by the airbag deployment, so use
the redundant tires.
(h)

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 disc wheel which the steering wheel pad 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.

(i)

Dispose of the steering wheel pad (with airbag).

CAUTION:

S

The steering wheel pad is very hot when the airbag is
deployed, so leave it alone for at least 30 minutes af-
ter deployment.

S

Use gloves and safety glasses when handling a steer-
ing wheel pad with the deployed airbag.

S

Always wash your hands with water after completing
the operation.

S

Do not apply water, etc. to a steering wheel pad with
the deployed airbag.
(1)

Remove the steering wheel pad from the disc
wheel.

(2)

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

H03208

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

RS–23

LEXUS RX300 (RM785E)

3.

DEPLOYMENT WHEN DISPOSING OF STEERING
WHEEL PAD WITH AIRBAG DEPLOYED IN COLLI-
SION

Dispose of the steering wheel pad (with airbag).
CAUTION:

S

The steering wheel pad is very hot when the airbag is
deployed, so leave it alone for at least 30 minutes af-
ter deployment.

S

When moving a vehicle for scrapping which has a
steering wheel pad with the deployed airbag, use
gloves and safety glasses.

S

Use gloves and safety glasses when handling a steer-
ing wheel pad with deployed airbag.

S

Always wash your hands with water after completing
the operation.

S

Do not apply water, etc. to a steering wheel pad with
deployed airbag.
(1)

Remove the steering wheel pad from the steering
wheel (See page SR–12).

(2)

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

RS0JU–01

RS–24

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

LEXUS RX300 (RM785E)

REPLACEMENT

REPLACEMENT REQUIREMENTS
In the following cases, replace the steering wheel pad, steering wheel or spiral cable.

Case

Replacing part

If the airbag has been deployed.

Steering wheel pad

If the steering wheel pad has been found to be faulty in troubleshooting.

Steering wheel pad

If the spiral cable has been found to be faulty in troubleshooting.

Spiral cable

If the steering wheel pad has been found to be faulty during checking items

(See page RS–14).

Steering wheel pad

If the steering wheel has been found to be faulty during checking items

(See page RS–14).

Steering wheel

If the spiral cable has been found to be faulty during checking items

(See page RS–14).

Spiral cable

If the steering wheel pad has been dropped.

Steering wheel pad

CAUTION:
For removal and installation of the steering wheel pad, see page SR–12 and SR–18. Be sure to follow
the correct procedure.

RS0JV–01

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

RS–25

LEXUS RX300 (RM785E)

INSTALLATION

HINT:
For step 1 to 4, refer to page SR–18.
1.

INSTALL SPIRAL CABLE

2.

INSTALL UPPER AND LOWER COLUMN COVERS

3.

INSTALL STEERING WHEEL

4.

INSTALL STEERING WHEEL PAD