Toyota Yaris: Steering Pad / Disposal

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Vehicle Interior / Supplemental Restraint Systems / Steering Pad / Disposal

DISPOSAL

CAUTION / NOTICE / HINT

CAUTION:

Before performing pre-disposal deployment of any SRS part, review and closely follow all applicable environmental and hazardous material regulations. Pre-disposal deployment may be considered hazardous material treatment.

PROCEDURE

1. PRECAUTION

CAUTION:

  • An airbag or pretensioner may be activated by static electricity. To prevent this, be sure to touch a metal surface with your bare hands to discharge static electricity before performing this procedure.
  • Do not perform this procedure indoors or on rough roads where safety cannot be ensured. Also, do not deploy SRS parts near residential areas.
  • If this procedure is performed indoors or on rough roads where safety cannot be ensured, unforeseen injuries may occur. Also, the deployment noise creates a nuisance to nearby residents.

HINT:

When scrapping a vehicle equipped with an SRS or disposing of the horn button 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 Department of the distributor.

2. DISPOSE OF HORN BUTTON ASSEMBLY (When Installed to Vehicle)

NOTICE:

  • When disposing of the horn button assembly, use an unneeded vehicle to deploy the airbag.
  • Be sure to observe the following procedure when deploying the airbag.

HINT:

Prepare a battery as the power source to deploy the airbag.

(a) Check the function of SST.

SST: 09082-00700

CAUTION:

  • When deploying the airbag, always use the specified SST:

    SRS Airbag Deployment Tool

  • If the procedure is performed using unspecified SST, the airbag may deploy in an unforeseen situation and cause a serious accident.

(1) Connect SST to the battery.

Connect the red clip of SST to the positive (+) battery terminal and the black clip of SST to the negative (-) battery terminal.

(2) Check the function of SST.

Press SST activation switch and check that the LED of SST activation switch comes on.

CAUTION:

  • Do not connect SST connector to the airbag before inspecting SST.
  • If the airbag deploys due to malfunction of SST, it may cause a serious accident.
  • If the LED comes on when the activation switch is not being pressed, SST is malfunctioning. Replace SST.

(3) Disconnect SST from the battery.

(b) Refer to Precaution.

Click here

(c) Remove the lower steering column cover.

Click here

(d) Disconnect the cable from the negative (-) auxiliary battery terminal.

Click here

  • Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
  • If the airbag deploys for any reason, it may cause a serious accident.

(e) Disconnect the airbag connector from the spiral with sensor cable sub-assembly.

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

HINT:

Refer to How to Connect or Disconnect Airbag Connector: Click here

(f) Install SST.

(1) Connect SST connector to the airbag connector of the spiral with sensor cable sub-assembly.

SST: 09082-00780

(2) Connect SST together (09082-00700 and 09082-00780).

SST: 09082-00700

NOTICE:

To avoid damaging SST connector or wire harness, do not lock the secondary lock of the twin lock.

  • Do not deploy if the steering wheel assembly and horn button assembly are loose.
  • If deployed while the steering wheel assembly and horn button assembly are loose, the steering wheel assembly and horn button assembly may fly off and cause serious injuries.

(3) Move SST at least 10 m (32.8 ft.) away from the front side window of the vehicle.

*a

10 m (32.8 ft.) or more

(4) While maintaining sufficient clearance for SST wire harness in the front side window, close all doors and windows of the vehicle.

CAUTION:

  • Do not deploy with all the doors and door windows open.
  • If deployed with all the doors and door windows open, dust and gas may enter the eyes or be breathed in.

NOTICE:

Take care not to damage SST wire harness.

(5) Connect the red clip of SST to the positive (+) battery terminal and the black clip of SST to the negative (-) battery terminal.

(g) Deploy the airbag.

(1) Check that no one is inside the vehicle or within a 10 m (32.8 ft.) radius of the vehicle.

(2) Press SST activation switch and deploy the airbag.

CAUTION:

  • Do not deploy with people inside or around the vehicle.
  • If deployed with people inside or around the vehicle, serious injuries may occur.

HINT:

The airbag is deployed as the LED of SST activation switch comes on.

(h) Remove the horn button assembly.

Click here

CAUTION:

  • The horn button assembly becomes extremely hot when the airbag is deployed, so do not touch it for at least 30 minutes after deployment.
  • If not left alone for 30 minutes or more, burns may occur when touched.
  • Do not apply water etc. to a horn button assembly with a deployed airbag.
  • If water is applied to the horn button assembly immediately after deployment, burns may occur from the resulting steam.
  • Always wear safety glasses and gloves when handling a deployed horn button assembly.
  • If the horn button assembly is touched without wearing safety glasses and gloves, hot parts may cause burns and dust may enter the eyes.
  • After removal, quickly seal the horn button assembly in a plastic bag.

(i) Dispose of the horn button assembly.

(1) Place the horn button assembly in a plastic bag, tie it tightly and dispose of it according to local regulations.

CAUTION:

  • The horn button assembly becomes extremely hot when the airbag is deployed, so do not touch it for at least 30 minutes after deployment.
  • If not left alone for 30 minutes or more, burns may occur when touched.
  • Do not apply water etc. to a horn button assembly with a deployed airbag.
  • If water is applied to the horn button assembly immediately after deployment, burns may occur from the resulting steam.
  • Always wear safety glasses and gloves when handling a deployed horn button assembly.
  • If the horn button assembly is touched without wearing safety glasses and gloves, hot parts may cause burns and dust may enter the eyes.
  • Never dispose of a horn button assembly with an undeployed airbag.
  • If an undeployed horn button assembly is disposed of, and then deploys for any reason, unforeseen injuries may occur.
  • Always wash your hands with water after completing the operation.

3. DISPOSE OF HORN BUTTON ASSEMBLY (When not Installed to Vehicle)

NOTICE:

Be sure to observe the following procedure when deploying the airbag.

HINT:

Prepare a battery as the power source to deploy the airbag.

(a) Check the function of SST.

SST: 09082-00700

CAUTION:

  • When deploying the airbag, always use the specified SST:

    SRS Airbag Deployment Tool

  • If the procedure is performed using unspecified SST, the airbag may deploy in an unforeseen situation and cause a serious accident.

(1) Connect SST to the battery.

Connect the red clip of SST to the positive (+) battery terminal and the black clip of SST to the negative (-) battery terminal.

(2) Check the function of SST.

Press SST activation switch and check that the LED of SST activation switch comes on.

CAUTION:

  • Do not connect SST connector to the airbag before inspecting SST.
  • If the airbag deploys due to malfunction of SST, it may cause a serious accident.
  • If the LED comes on when the activation switch is not being pressed, SST is malfunctioning. Replace SST.

(3) Disconnect SST from the battery.

(b) Refer to Precaution.

Click here

(c) Disconnect the cable from the negative (-) auxiliary battery terminal.

Click here

  • Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
  • If the airbag deploys for any reason, it may cause a serious accident.

(d) Remove the horn button assembly.

Click here

(e) Install SST.

(1) After connecting the following SST to each other, connect them to the horn button assembly.

SST: 09082-00830

(f) Using braided wire, tie down the horn button assembly to an unneeded tire and wheel set.

Wire:

Cross-sectional area of stripped wire

1.25 mm2 (0.0019 in.2) or more

CAUTION:

If the wire is too thin or an alternative object is used to tie down the horn button assembly, it may snap when the airbag is deployed. Always use a wire for vehicle use with a cross sectional area of at least 1.25 mm2 (0.0019 in.2).

*a

Wire Diameter

Stripped Wire Cross Sectional Area

HINT:

To calculate the area of the cross-sectional area of stripped wire:

Area = 3.14 x (Diameter)2 / 4

(1) Wind 3 wires at least 2 times each around each of the pins.

CAUTION:

  • When wrapping the wire harness, make sure there is no looseness.
  • If the wire harness is loosely wrapped, the deployed horn button assembly and tire may fly off and cause serious injuries.

*a

Remove looseness

*a

2 times or more

(2) Face the airbag deployment side of the horn button assembly upward on top of an unneeded tire and wheel set. Separately tie the left and right sides of the horn button assembly to the wheel through the hub nut holes. Position SST connector so that it hangs downward through the hub hole of the wheel.

*a

Deployment Side

CAUTION:

  • Do not install the horn button assembly with the deployment side facing the disc wheel.
  • When securing the horn button assembly, make sure there is no looseness in the wire harness.
  • If the deployment side is facing the disc wheel or the wire harness is loosely wrapped, the deployed horn button assembly and tire may fly off and cause serious injuries.

*a

Remove looseness

Deployment Side

NOTICE:

The tire and wheel may be damaged by the airbag deployment, so use an unneeded tire and wheel.

(g) Install SST.

(1) Connect SST together (09082-00700 and 09082-10801).

SST: 09082-00700

NOTICE:

To avoid damaging SST connector or wire harness, do not lock the secondary lock of the twin lock. Also, secure some slack for SST wire harness inside the disc wheel.

*a

10 m (32.8 ft.) or more

(2) Move SST at least 10 m (32.8 ft.) away from the airbag tied down to the wheel.

(h) Cover the horn button assembly (using a cardboard box).

(1) Cover the horn button assembly with a cardboard box.

*a

Weight

(2) Place weights on the cardboard box in 4 places totaling at least 190 N (19 kg, 42.7 lb).

Minimum Cardboard Box Size:

X

460 mm (1.51 ft.)

Y

650 mm (2.13 ft.)

NOTICE:

  • When dimension Y of the cardboard box exceeds the diameter of the wheel and tire to which the horn button assembly is tied, X should be the following size.

    X = 460 mm (1.51 ft.) + width of tire

  • If a cardboard box smaller than the specified size is used, it may be broken by the shock of the airbag deployment.

(i) Cover the horn button assembly (using tires).

(1) Place at least 3 tires without wheels onto the tire and wheel set to which the horn button assembly is tied.

*a

Inner Diameter

*b

Width

*c

Tires (3 or more)

(2) Place a tire and wheel set on top.

Minimum Tire Size:

Width

185 mm (7.28 in.)

Inner Diameter

360 mm (1.18 ft.)

CAUTION:

Do not use tires with wheels except on the top and bottom.

NOTICE:

  • The wheels and tires may be damaged by the airbag deployment, so use unneeded wheels and tires.
  • Do not place SST connector under the tire because it could be damaged.

(3) Tie the tires together with 2 wires.

CAUTION:

Make sure that the wires are tight. Looseness in the wires will result in the tires breaking loose when the airbag is deployed.

(j) Deploy the airbag.

(1) Connect the red clip of SST to the positive (+) battery terminal and the black clip of SST to the negative (-) battery terminal.

*A

Using a Cardboard Box

*B

Using Tires

*a

10 m (32.8 ft.) or more

(2) Check that no one is within a 10 m (32.8 ft.) radius of the wheel to which the horn button assembly is tied.

(3) Press SST activation switch to deploy the airbag.

CAUTION:

Before deployment, make sure that no one is near the airbag.

HINT:

The airbag is deployed as the LED of SST activation switch comes on.

(k) Dispose of the horn button assembly.

CAUTION:

  • The horn button assembly becomes extremely hot when the airbag is deployed, so do not touch it for at least 30 minutes after deployment.
  • If not left alone for 30 minutes or more, burns may occur when touched.
  • Do not apply water etc. to a horn button assembly with a deployed airbag.
  • If water is applied to the horn button assembly immediately after deployment, burns may occur from the resulting steam.
  • Always wear safety glasses and gloves when handling a deployed horn button assembly.
  • If the horn button assembly is touched without wearing safety glasses and gloves, hot parts may cause burns and dust may enter the eyes.
  • Never dispose of a horn button assembly with an undeployed airbag.
  • If an undeployed horn button assembly is disposed of, and then deploys for any reason, unforeseen injuries may occur.
  • Always wash your hands with water after completing the operation.

(1) Remove the horn button assembly from the tire and wheel set.

(2) Place the horn button assembly in a plastic bag, tie it tightly and dispose of it according to local regulations.

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