Lexus SC300 / Lexus SC400. Manual — part 783

8.

DISPOSAL OF STEERING WHEEL PAD (WITH AIRBAG)
CAUTION:

•

The steering wheel pad is battery hot when the airbag is

deployed, so leave it alone for at least 30 minutes after

deployment.

•

Use gloves and safety glasses when handling a steering

wheel pad with deployed airbag.

•

Do not apply water, etc. to a steering wheel pad with

deployed airbag.

•

Always wash your hands with water after completing the

operation.

(a) Remove the steering wheel pad from the disc wheel.
(b) Place the steering wheel pad in a vinyl bag, tie the end tightly

and dispose of it the same way as other general parts.

CONFIRM FUNCTIONING OF SST

RS014–02

When deploying the airbag, always use the specified SST:
SRS AIRBAG DEPLOYMENT TOOL.
SST 09082–00700

1.

CONNECT SST TO BATTERY
Connect the red clip of the SST to the battery positive (+) ter-
minal and the black clip to the battery negative (–) terminal.
HINT: Do not connect the yellow connector which connects
with the supplemental restraint system.

2.

CONFIRM FUNCTIONING OF SST
Press the SST activation switch, and confirm the LED of the
SST activation switch lights up.
CAUTION: If the LED lights up when the activation switch
is not being pressed, SST malfunction is probable, so
definitely do not use the SST.

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

RS–27

FRONT PASSENGER AIRBAG
ASSEMBLY

INSPECTION ITEMS

RS042–01

1.

VEHICLES NOT INVOLVED IN A COLLISION

(a) Perform a diagnostic system check.

(See page

RS–59

)

(b) Perform a visual check which includes the following items

with the front passenger airbag assembly installed in the
vehicle.

•

Check for cuts, minute cracks or marked discoloration
of the front passenger airbag door.

2.

VEHICLE INVOLVED IN A COLLISION
IF THE AIRBAG IS NOT DEPLOYED

(a) Perform a diagnostic system check.

(See page

RS–59

)

(b) Perform a visual check which includes the following items

with the airbag assembly removed from the vehicle.

•

Check for cuts, cracks in, or marked discoloration of the
front passenger airbag door.

•

Check for cuts, cracks in, or chipping of connectors and
wire harness.

•

Check for deformation of the instrument panel and
instrument panel reinforcement.

HINT:

•

If the instrument panel and instrument panel
reinforcement is deformed, never repair it. Always
replace it with a new one.

•

There should be no interference between the
instrument panel and front passenger airbag door. The
clearance should be uniform all the way around when
the new airbag assembly is installed on the instrument
panel.

CAUTION: For replacement of the airbag assembly, see
page

RS–30

, “FRONT PASSENGER AIRBAG ASSEMBLY

REMOVAL AND INSTALLATION” and be sure to follow
the correct procedure.

RS–28

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT PASSENGER AIRBAG ASSEMBLY

IF THE AIRBAG IS DEPLOYED

(a) Perform a diagnostic system check.

(See page

RS–59

)

(b) Perform a visusal check which includes the following items

with the airbag assembly removed from vehicle.

•

Check for deformation of the instrument panel and
instrument panel reinforcement.

•

Check for damage to the connector and wire harness.

HINT:

•

If the instrument panel and instrument panel
reinforcement is deformed, never repair it. Always
replace it with a new one.

•

There should be no interference between the
instrument panel and front passenger airbag door. The
clearance should be uniform all the way around when
the new airbag assembly is installed on the instrument
panel.

REPLACEMENT REQUIREMENTS

RS01M–06

In the following case, replace the front passenger airbag as-
sembly, instrument panel, instrument panel reinforcement.
CAUTION: For replacement of the front passenger airbag
assembly, see page

RS–30

, “FRONT PASSENGER AIR-

BAG ASSEMBLY REMOVE AND INSTALLATION” and be
sure to follow the correct procedure.

•

If the airbag has been deployed.

•

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

•

If the front passenger airbag assembly or instrument
panel reinforcement has been found to be faulty during
the check in item 1–(b) or 2–(b).

•

If the front passenger airbag assembly has been
dropped.

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT PASSENGER AIRBAG ASSEMBLY

RS–29

COMPONENTS

RS043–01

FRONT PASSENGER AIRBAG
ASSEMBLY REMOVAL AND
INSTALLATION

RS044–01

NOTICE:

•

If the wiring connector of the supplemental restraint

system is disconnected with the ignition switch at ON or

ACC, diagnostic trouble codes will be recorded.

•

Never use airbag parts from another vehicle. When

replacing parts, replace with new parts.

RS–30

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT PASSENGER AIRBAG ASSEMBLY