Lexus RX300 (MCU15). Service manual - part 537

RS0KF–07

H17185

H05137

LH

RH

RS–58

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SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

LEXUS RX300   (RM785E)

INSPECTION

1.

Vehicles not involved in collision:
INSPECT SUPPLEMENTAL RESTRAINT SYSTEM

Do a diagnostic system check (See page DI–305).
2.

Vehicles involved in collision:
INSPECT SUPPLEMENTAL RESTRAINT SYSTEM

(a)

Do a diagnostic system check (See page DI–305).

(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:

S

Check the bracket deformation.

S

Check the paint peeling off the bracket.

S

Check the cracks, dents or chips in the case.

S

Check the cracks, dents, chipping and scratches in
the connector.

S

Check the peeling off of the label or damage to the
serial number.

RS0KG–03

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SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

RS–59

LEXUS RX300   (RM785E)

REASSEMBLY

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

S

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

S

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

S

If the front airbag sensor has been found to be faulty during checking items (See page RS–58).

S

If the front airbag sensor has been dropped.

CAUTION:
For removal and installation of the front airbag sensor, see page RS–57 and RS–60. Be sure to follow
the correct procedure.

H05129

H05130

H16262

LH:

RH:

RS0KH–06

H05137

LH:

RH:

RS–60

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SUPPLEMENTAL RESTRAINT SYSTEM

FRONT AIRBAG SENSOR

LEXUS RX300   (RM785E)

INSTALLATION

1.

INSTALL FRONT AIRBAG SENSOR LH AND RH

(a)

Install the front airbag sensors with the 4 nuts.
Torque: 20 N·m (205 kgf·cm, 15 ft·lbf)

(b)

Connect the front airbag sensor connectors.

NOTICE:

S

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

S

Make sure the sensor is installed with the specified
torque.

S

If the sensor has been dropped, or there are cracks,
dents or other defects in the case, brackets or con-
nector, replace the removed sensor with a new one.

S

The front sensor is equipped with an electrical con-
nection check mechanism. Be sure to lock this mech-
anism securely when connecting the connector. If the
connector is not securely locked, a malfunction code
will be detected by the diagnostic system.

HINT:
Install the front airbag sensor with the arrow on the sensor fac-
ing toward the front of the vehicle.
2.

INSTALL BATTERY

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

RS0KI–03

H05132

: Specified torque

N·m (kgf·cm, ft·lbf)

Side Airbag Sensor Assembly

Front Seat Outer Belt Retractor

Rear Door Scuff Plate

Center Pillar Lower Garnish

Front Door Scuff Plate

21 (210, 15)

7.4 (75, 65 in.·lbf)

41 (420, 30)

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SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG SENSOR ASSEMBLY

RS–61

LEXUS RX300   (RM785E)

SIDE AIRBAG SENSOR ASSEMBLY

COMPONENTS