Side Airbag Sensor - Installation

Lexus IS250 IS220d GSE20 ALE20 - SUPPLEMENTAL RESTRAINT SYSTEM

SIDE AIRBAG SENSOR - INSTALLATION

  • HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. INSTALL SIDE AIRBAG SENSOR

Check that the engine switch is off.

Check that the battery negative (-) terminal is disconnected.

  • CAUTION:
  • After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Install the side airbag sensor with the nut.

  • Torque:
  • 9.0 N*m{ 92 kgf*cm, 80 in.*lbf}
  • NOTICE:
If the side airbag sensor has been dropped, or there are any cracks, dents or other defects in the case, bracket or connector, replace it with a new one.
When installing the side airbag sensor, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.

Check that there is no looseness in the installation parts of the side airbag sensor.

Connect the connetor.

2. INSTALL FRONT SEAT BELT RETRACTOR COVER
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the claw and install the front seat belt retractor cover to the body.

3. INSTALL FRONT SEAT OUTER BELT ASSEMBLY
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Check the degree of tilt when the ELR begins to lock.

Check that the belt does not lock at less than 15 degrees of tilt in any direction but locks at over 45 degrees of tilt while gently pulling the belt.

  • NOTICE:
  • Do not disassemble the retractor.
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Temporarily install the front seat outer belt assembly with the 2 bolts.

Fully tighten the upper side bolt first, then the lower side bolt to install the front seat outer belt assembly.

  • Torque:
  • For upper bolt:
  • 7.5 N*m{ 77 kgf*cm, 66 in.*lbf}
  • For lower bolt:
  • 42 N*m{ 428 kgf*cm, 31 ft.*lbf}
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Connect the pretensioner connector and lock the locking button as shown in the illustration.

  • NOTICE:
  • Securely lock the locking button.

Connect the connectors.

4. INSTALL CENTER LOWER PILLAR GARNISH
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 clips and 3 claws, and install the lower center pillar garnish LH.

5. INSTALL FRONT DOOR SCUFF PLATE (w/o Illumination)
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips.

Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws, and install the front door scuff plate LH.

6. INSTALL FRONT DOOR SCUFF PLATE (w/ Illumination)

Connect the connector.

Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips.

Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws, and install the front door scuff plate LH.

7. INSTALL REAR DOOR SCUFF PLATE
Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 clips.

Side Airbag Sensor - Installation. SUPPLEMENTAL RESTRAINT SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 claws and install the rear door scuff plate LH.

8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
9. PERFORM INITIALIZATION

Perform initialization .

  • HINT:
  • Some systems need initialization when disconnecting the cable from the negative battery terminal.
10. INSPECT SRS WARNING LIGHT

Inspect the SRS warning light .