Lexus GS300/400 (2000 year). Service manual — part 251

RS07V–01

H02694

H02695

H02696

RS–58

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

2289

REMOVAL

NOTICE:

If the wiring connector of the SRS is disconnected
with the ignition switch in ON or ACC position, DTCs
will be recorded.

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

Never reuse the sensor involved in a collision when
the SRS has deployed.

Never repair a sensor in order to reuse it.

1.

REMOVE LH FRONT AIRBAG SENSOR

(a)

Remove the 2 bolts and J/B cover.

(b)

Remove the bolt and 2 nuts.

(c)

Disconnect the connectors and hose, then remove the
J/B box.

(d)

Disconnect the connector, then remove the bolt, nut and
sensor.

H02698

H02702

H02699

H02697

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

RS–59

2290

2.

REMOVE RH FRONT AIRBAG SENSOR

(a)

Remove the bolt and No.1 air cleaner inlet.

(b)

2JZ–GE Engine:
Disconnect the connector and inlet hose, then remove the
3 bolts and air cleaner.

(c)

1UZ–FE Engine:
Disconnect the connector and inlet hose, then remove the
3 bolts and air cleaner.

(d)

Disconnect the connector, then remove the bolt, nut and
sensor.

RS07W–01

H02700

H02701

LH

RH

RS–60

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

2291

INSPECTION

1.

VEHICLES NOT INVOLVED IN COLLISION

Do a diagnostic system check. (See page

DI–552

)

2.

VEHICLES INVOLVED IN COLLISION

(a)

Do a diagnostic system check. (See page

DI–552

)

(b)

If the front fender of the car or its periphery is damaged,
do a visual check for damage to the front airbag sensor,
which includes the following items even if the airbag was
not deployed:

Bracket deformation

Paint peeling off the bracket

Cracks, dents or chips in the case

Cracks, dents, chipping and scratches in the con-
nector

Peeling of the label or damage to the serial number

RS07X–01

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

RS–61

2292

REPLACEMENT

REPLACEMENT REQUIREMENTS
In the following cases, replace the front airbag sensor.

If the SRS has been deployed in a collision. (Replace both the left and right airbag sensors.)

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

If the front airbag sensor has been found to be faulty during the check in item.
(See page

RS–60

)

If the front airbag sensor has been dropped.

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

RS–58

and

RS–62

.

Be sure to follow the correct procedure.