Lexus GS300/400 (2000 year). Service manual — part 253

RS082–01

RS–66

–

SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG SENSOR ASSEMBLY

2297

REPLACEMENT

REPLACEMENT REQUIREMENTS
In the following cases, replace the side airbag sensor assembly.

If the side airbag sensor assembly has been deployed in a collision.

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

If the side airbag sensor assembly has been dropped.

CAUTION:
For removal and installation of the side airbag sensor assembly, see page

RS–64

and

RS–67

.

Be sure to follow the correct procedure.

RS083–01

H02619

–

SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG SENSOR ASSEMBLY

RS–67

2298

INSTALLATION

NOTICE:

Never use SRS parts from another vehicle. When re-
placing parts, replace them with new ones.

Never reuse the side airbag sensor assembly in-
volved in a collision when the airbag has deployed.

Never repair a sensor in order to reuse it.

1.

INSTALL SIDE AIRBAG SENSOR

(a)

Using a torx wrench, install the side airbag assembly with
4 screws.
Torx wrench: T40 (Part No.09042–00020 or locally
manufactured tool)
Torque: 20 N·m (200 kgf·cm, 14 ft·lbf)

(b)

Connect the connector.

NOTICE:

Make sure the sensor assembly is installed to the
specified torque.

If the sensor assembly has been dropped, or there are
cracks, dents or other defects in the case, bracket or
connector, replace the sensor assembly with a new
one.

When installing the sensor assembly, take care that
the SRS wiring does not interfere with other parts and
is not pinched between other parts.

After installation, shake the sensor assembly to
check that there is no looseness.

2.

INSTALL FRONT SEAT OUTER BELT RETRACTOR
(See page

BO–132

)

(a)

Install the retractor with 2 bolts.

HINT:
After tightening the upper bolt, tighten the lower bolt.

Torque:
Upper bolt: 7.4 N·m (75 kgf·cm, 65 in.·lbf)
Lower bolt: 41 N·m (420 kgf·cm, 30 ft·lbf)

(b)

w/ Seat Belt Warning:
Connect the retractor switch connector.

(c)

w/ Seat Belt Pretensioner:
Connect the pretensioner connector.

3.

INSTALL THESE PARTS:

(a)

Center pillar lower garnish

(b)

Rear door scuff plate

(c)

Front door scuff plate

RS084–01

H02621

Combination Meter
(Warning Light)

Steering Wheel Pad
(with Airbag)

Spiral Cable

RH Front Airbag Sensor

Front Passenger Airbag Assembly

RH Side Airbag
Assembly

RH Side Airbag
Sensor Assembly

RH Seat Belt
Pretensioner

Airbag Sensor Assembly

LH Side Airbag
Assembly

LH Seat Belt
Pretensioner

LH Side Airbag
Sensor Assembly

LH Front Airbag
Sensor

RS–68

–

SUPPLEMENTAL RESTRAINT SYSTEM

WIRE HARNESS AND CONNECTOR

2299

WIRE HARNESS AND CONNECTOR

LOCATION

RS085–01

–

SUPPLEMENTAL RESTRAINT SYSTEM

WIRE HARNESS AND CONNECTOR

RS–69

2300

INSPECTION

HINT:
The SRS wire harness is integrated with the instrument panel wire harness assembly. The wires for the SRS
wire harness are encased in a yellow corrugated tube and all the connectors in the system are a standard
yellow color.
1.

VEHICLE NOT INVOLVED IN COLLISION

Do a diagnostic system check.
(See page

DI–552

)

2.

VEHICLE INVOLVED IN COLLISION

(a)

Do a diagnostic system check.
(See page

DI–552

)

(b)

Check breaks in all wires of the SRS wire harness, and exposed conductors.

(c)

Check to see if the SRS wire harness connectors are cracked or chipped.