Lexus IS250 IS220d GSE20 ALE20 - SUPPLEMENTAL RESTRAINT SYSTEM
FRONT SEAT SIDE AIRBAG ASSEMBLY - DISPOSAL
- HINT:
- When scrapping a vehicle equipped with the SRS or disposing of the front seat airbag assembly, be sure to deploy the airbag first in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the SERVICE DEPT. of the DISTRIBUTOR.
- CAUTION:
1. DISPOSE OF FRONT SEAT SIDE AIRBAG ASSEMBLY (WHEN INSTALLED IN VEHICLE) |
- HINT:
- Prepare a battery as the power source to deploy the airbag.

Check the function of the SST .
Precaution .
Disconnect the cable from the negative battery terminal.
- CAUTION:
- Wait for 90 seconds after disconnecting the cable to prevent airbag deployment.
Remove the front seat assembly .
Remove the front seat assembly .
Install the SST.
Disconnect the connector (yellow colored one) from the front seat airbag assembly.
- NOTICE:
- When handling the airbag connector, take care not to damage the airbag wire harness.

Connect the SST connector to the front seat airbag assembly connector.
- SST
- 09082-00700
09082-00750
- NOTICE:
- To avoid damaging the SST connector and wire harness, do not lock the secondary lock of the twin lock.
Install the front seat assembly .
Install the front seat assembly .

Move the SST at least 10 m (33 ft) away from the vehicle front side window.
Maintaining enough clearance for the SST wire harness in the front side window, close all doors and windows of the vehicle.
- NOTICE:
- Take care not to damage the SST wire harness.
Connect the red clip of the SST to the battery positive (+) terminal and the black clip of the SST to the battery negative (-) terminal.
Deploy the airbag.
Check that no one is inside the vehicle or within a 10 m (33 ft) radius of the vehicle.
Press the SST activation switch and deploy the airbag.
- CAUTION:
- HINT:
- The airbag is deployed as the LED of the SST activation switch comes on.
2. DISPOSE OF FRONT SEAT SIDE AIRBAG ASSEMBLY (WHEN NOT INSTALLED IN VEHICLE) |
- NOTICE:
- HINT:
- Prepare a battery as the power source to deploy the airbag.

Check the function of the SST .
Remove the front seat airbag assembly.
Remove the front seat assembly .
Remove the front seat assembly
Remove the 2 nuts and the front seat airbag assembly from the seatback assembly.
- CAUTION:
Remove the 2 nuts and the front seat airbag assembly from the seatback assembly.
- CAUTION:

Using a service-purpose wire harness for the vehicle, tie down the front seat airbag assembly to the tire.
- Wire harness:
- Stripped wire harness section
- 1.25 mm2 or more (0.0019 in.2 or more)
- HINT:
- To calculate the area of the stripped wire harness section:
- Area = 3.14 x (Diameter)2 divided by 4
- CAUTION:
- If the wire harness is too thin or an alternative object is used to tie down the front seat airbag assembly, it may be snapped by the shock when the airbag is deployed. Always use a wire harness for vehicle use with an area of at least 1.25 mm2 (0.0019 in.2).

Install the 2 nuts to the front seat airbag assembly.

Wind the wire harness around the stud bolts of the front seat airbag assembly as shown in the illustration.

Position the front seat airbag assembly inside the tire .
- Tire size:
- Must exceed the following dimensions
- Width:
- 185 mm (7.28 in.)
- Inner diameter:
- 360 mm (14.17 in.)
- CAUTION:
- NOTICE:
- The tire will be marked by the airbag deployment, so use an extra tire.
Install the SST.

Connect the SST connector to the front seat airbag assembly connector.
- SST
- 09082-00750

Place the tires.
Place at least 2 tires under the tire which the front seat airbag assembly is tied to.
Place at least 2 tires over the tire which the front seat airbag assembly is tied to. The top tire should have the disc wheel installed.
- NOTICE:
- Do not place the SST connector under the tire because it could be damaged.

Tie the tires together with 2 wire harnesses.
- CAUTION:
- Make sure that the wire harness is tight. Looseness in the wire harness results in the tires coming free due to the shock when the airbag is deployed.
Install the SST.

Connect the SST connector.
- SST
- 09082-00700
- NOTICE:
- To avoid damaging the SST connector and wire harness, do not lock the secondary lock of the twin lock. Also, secure some slack for the SST wire harness inside the tire.
Move the SST at least 10 m (33 ft) away from the airbag tied down to the tire.
Deploy the airbag.
Connect the red clip of the SST to the battery positive (+) terminal and the black clip of the SST to the battery negative (-) terminal.
Check that no one is within a 10 m (33 ft) radius of the tire which the front seat airbag assembly is tied to.
Press the SST activation switch and deploy the airbag.
- CAUTION:
- When deploying the airbag, make sure that no one is near the tire.
- HINT:
- The airbag is deployed as the LED of the SST activation switch comes on.

Dispose of the front seat airbag assembly.
- CAUTION:
Remove the front seat airbag assembly from the tire.
Place the front seat airbag assembly in a plastic bag, tie it tightly and dispose of it as other general part disposal.