Lexus RX300 (MCU15). Manual — part 536

RS0KB–01

RS–54

–

SUPPLEMENTAL RESTRAINT SYSTEM

AIRBAG SENSOR ASSEMBLY

LEXUS RX300 (RM785E)

REPLACEMENT

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

S

If the SRS has been deployed in a collision.

S

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

S

If the airbag sensor assembly has been dropped.

CAUTION:
For removal and installation of the airbag sensor assembly, see page RS–52 and RS–55. Be sure to
follow the correct procedure.

RS0KC–08

H05127

–

SUPPLEMENTAL RESTRAINT SYSTEM

AIRBAG SENSOR ASSEMBLY

RS–55

LEXUS RX300 (RM785E)

INSTALLATION

NOTICE:

S

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

S

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

S

Never repair a sensor in order to reuse it.

HINT:
For step 2 to 9, refer to page BO–135.

1.

INSTALL AIRBAG SENSOR ASSEMBLY

(a)

Using a torx wrench, install the airbag sensor assembly
with the 3 screws.
Torx wrench: T40 (Part No.09042–00020 or locally
manufactured tool)
Torque: 20 N·m (205 kgf·cm, 15 ft·lbf)

(b)

Connect the airbag sensor connectors.

NOTICE:

S

Connection of the connector is done after the sensor
assembly has been installed.

S

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

S

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.

S

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

S

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

2.

INSTALL NO. 1 BRAKE

3.

INSTALL FLOOR SHIFT ASSEMBLY

4.

INSTALL LOWER NO. 2 PANEL

5.

INSTALL LOWER FINISH PANEL

RS0KD–07

H17186

Battery

Front Airbag Sensor (RH)

20 (205, 15)

Front Airbag Sensor (LH)

N·m (kgf·cm, ft·lbf)

Hold–Down Clamp

Battery Tray

: Specified torque

RS–56

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SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

LEXUS RX300 (RM785E)

FRONT AIRBAG SENSOR

COMPONENTS

RS0KE–04

H05129

LH:

H05130

RH:

–

SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

RS–57

LEXUS RX300 (RM785E)

REMOVAL

NOTICE:

S

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

S

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

S

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

S

Never repair a sensor in order to reuse it.

1.

LH:
REMOVE FRONT AIRBAG SENSOR

(a)

Remove the hold–down clamp, battery and battery tray.

(b)

Disconnect the front airbag sensor connector.

NOTICE:
Disconnect the connector with sensor assembly installed.
(c)

Remove the 2 nuts and remove the front airbag sensor.

2.

RH:
REMOVE FRONT AIRBAG SENSOR

(a)

Disconnect the front airbag sensor connector.

NOTICE:
Disconnect the connector with sensor assembly installed.
(b)

Remove the 2 nuts and remove the front airbag sensor.