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Home >> Toyota >> 2005 >> MR2 C65M >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System >> Steering Wheel Pad And Spiral Cable >> Disposal

Steering Wheel Pad And Spiral Cable: Disposal

HINT:

When scrapping vehicle equipped with an SRS or disposing of a steering wheel pad (with airbag), always first deploy the airbag in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the SERVICE DEPT. of TOYOTA MOTOR SALES, U.S.A., INC.

CAUTION:
  • Never dispose of a steering wheel pad which has an undeployed airbag.
  • The airbag produces a sizeable exploding sound when it deploys, so perform the operation out-of-doors and where it will not disturb nearby residents.
  • When deploying the airbag, always use the specified SST (SRS Airbag Deployment Tool). Perform the operation in a place away from electrical noise.

    SST 09082-00700

  • When deploying an airbag, perform the operation at least 10 m (33 ft) away from the steering wheel pad.
  • The steering wheel pad is very hot when the airbag is deployed, so leave it alone for at least 30 minutes after deployment.
  • Use gloves and safety glasses when handling a steering wheel pad with the deployed airbag.
  • Always wash your hands with water after completing the operation.
  • Do not apply water, etc. to a steering wheel pad with the deployed airbag.
    Fig 1: Deploying Air Bay Using SST
    G02632136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. AIRBAG DEPLOYMENT WHEN SCRAPPING VEHICLE 

    HINT:

    Have a battery ready as the power source to deploy the airbag.

    Fig 2: Deploying Airbag With Battery Power Source
    G02632137Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check functioning of the SST.
      CAUTION: When deploying the airbag, always use the specified SST: SRS Airbag Deployment Tool.
      SST 09082-00700
      Fig 3: Checking Function Of SST
      G02632138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the red clip of the SST to the battery positive (+) terminal and the black clip to the battery negative (-) terminal.

        HINT:

        Do not connect the yellow connector which will be connected with the supplemental restraint system.

        Fig 4: Connecting Red Clip Of SST To Battery Positive Terminal And Black Clip To Negative Terminal
        G02632139Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Press the SST activation switch, and check that the LED of the SST activation switch lights up.
        CAUTION: If the LED lights up when the activation switch is not being pressed, SST malfunction is probable, so definitely do not use the SST.
      3. Disconnect the SST from the battery.
      Fig 5: Checking SST Activation Switch
      G02632140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the SST.
      CAUTION: Check the steering wheel and steering wheel pad for looseness.
      1. While turning the steering wheel right / left, remove the 3 screws and column lower cover.
      2. Disconnect the airbag connector of the spiral cable.
        Fig 6: Removing Screws And Column Lower Cover
        G02632141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Connect the connectors of the 2 SST to the airbag connector of the spiral cable.

        SST 09082-00700, 09082-00760

        NOTE: To avoid damaging the connector of the SST and wire harness, do not lock the secondary lock of the twin lock.
        Fig 7: Connecting SST And Spiral Cable Connectors
        G02632142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Move the SST at least 10 m (33 ft) away from the front of the vehicle.
      5. Close all the doors and windows of the vehicle.
        NOTE: Take care not to damage the SST wire harness.
      6. Connect the SST red clip to the battery positive (+) terminal and the black clip to the negative (-) terminal.
      Fig 8: Moving SST 10 M (33 Ft) Away From Vehicle
      G02632143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Deploy the airbag.
      1. Check that no one is inside the vehicle or within 10 m (33 ft) area around the vehicle.
      2. Press the SST activation switch and deploy the airbag.
    Fig 9: Deploying Airbag
    G02632144Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CAUTION:
    • The steering wheel pad is very hot when the airbag is deployed, so leave it alone for at least 30 minutes after deployment.
    • Use gloves and safety glasses when handling a steering wheel pad with the deployed airbag.
    • Always wash your hands with water after completing the operation.
    • Do not apply water, etc. to a steering wheel pad with the deployed airbag.
    • When scrapping a vehicle, deploy the airbag and scrap the vehicle with the steering wheel pad still installed.
    • When moving a vehicle for scrapping which has a steering wheel pad with deployed airbag, use gloves and safety glasses.

    HINT:

    The airbag deploys simultaneously as the LED of the SST activation switch lights up.

  2. DEPLOYMENT WHEN DISPOSING OF STEERING WHEEL PAD ONLY 
    NOTE:
    • When disposing of the steering wheel pad (with airbag) only, never use the customer's vehicle to deploy the airbag.
    • Be sure to follow the procedure given below when deploying the airbag.

    HINT:

    Have a battery ready as the power source to deploy the airbag.

    1. Remove the steering wheel pad (See REMOVAL ).
      CAUTION:
      • When removing the steering wheel pad, work must be started 90 seconds after the ignition switch is turned to the "LOCK" position and the negative (-) terminal cable is disconnected from the battery.
      • When storing the steering wheel pad, keep the upper surface of the pad facing upward.
    2. Remove the connector on the steering wheel pad rear surface.
    3. Remove the steering wheel pad cover.
      Fig 10: Removing Connector On Steering Wheel Pad Rear Surface
      G02632145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a service-purpose wire harness tie down the steering wheel pad to the disc wheel.

      Wire harness: Stripped wire harness section 1.25 mm 2  or more (0.0019 in 2  . or more) 

      CAUTION: If a wire harness which is too thin or some other thing is used to tie down the steering wheel pad, it may be snapped by the shock when the airbag is deployed. This is highly dangerous. Always use a wire harness for vehicle use which is at least 1.25 mm2 (0.0019 in2 .).

      HINT:

      To calculate the square of the stripped wire harness section:

      Square = 3.14 x (Diameter) 2  divided by 4 

      Fig 11: Checking Wire Harness Diameter
      G02632146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the 2 bolts with washers into the 2 bolt holes in the steering wheel pad.

        Bolt: 

        L: 35.0 mm (1.378 in.) 

        M: 6.0 mm (0.236 in.) 

        Pitch: 1.0 mm (0.039 in.) 

        NOTE:
        • Tighten the bolts by hand until the bolts become difficult to turn.
        • Do not tighten the bolts too much.
        Fig 12: Identifying Steering Wheel Pad Bolts
        G02632147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Using 3 wire harness, wind the wire harness at least 2 times each around the bolts installed on the left and right sides of the steering wheel pad.
        CAUTION:
        • Tightly wind the wire harness around the bolts so that there is no slack.
        • If there is slackness in the wire harness, the steering wheel pad may come loose due to the shock when the airbag is deployed. This is highly dangerous.
        Fig 13: Winding Wire Harness Around Bolts
        G02632148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Face the upper surface of the steering wheel pad upward. Separately tie the left and right sides of the steering wheel pad to the disc wheel through the hub nut holes. Position the steering wheel pad connector so that it hangs downward through a hub hole in the disc wheel.
      Fig 14: Facing Upper Surface Of Steering Wheel Pad Upward
      G02632149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      CAUTION:
      • Make sure that the wire harness is tight. It is very dangerous when looseness in the wire harness results in the steering wheel pad coming free due to the shock from the airbag deploying.
      • Always tie down the steering wheel pad with the pad side facing upward. It is very dangerous if the steering wheel pad is tied down with the metal surface facing upward as the wire harness will be cut by the shock from the airbag deploying and the steering wheel pad will be thrown into the air.
      NOTE: The disc wheel will be marked by airbag deployment, so when disposing of the airbag use a redundant disc wheel.
    5. Check functioning of the SST (See step 1-(a)).

      SST 09082-00700

      Fig 15: Checking Function Of SST
      G02632150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Install the SST.
      CAUTION: Place the disc wheel on the level ground.
      1. Connect the connectors of the 2 SST to the steering wheel pad connector.

        SST 09082-00700, 09082-00760

        NOTE: To avoid damaging the SST connector and wire harness, do not lock the secondary lock of the twin lock. Also, remove some slack for the SST wire harness inside the disc wheel.
        Fig 16: Connecting SST Connectors To Steering Wheel Pad Connector
        G02632151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Move the SST to at least 10 m (33 ft) away from the steering wheel pad tied down on the disc wheel.
      Fig 17: Moving SST 10 M (33 Ft) Away From Steering Wheel Pad
      G02632152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Cover the steering wheel pad with a cardboard box or tires.
      • Covering method using a cardboard box:

        Cover the steering wheel pad with the cardboard box and weight the cardboard box down in 4 places with at least 190 N (20 kg, 44 Ib).

        Size of cardboard box: 

        Must exceed the following dimensions: 

        X = 460 mm (18.11 in.) 

        Y = 650 mm (25.59 in.) 

        NOTE:
        • When dimension Y of the cardboard box exceeds the diameter of the disc wheel with tire to which the steering wheel pad is tied, X should be the following size

          X = 460 mm (18.11 in.) + width of tire

        • If a cardboard box smaller than the specified size is used, the cardboard box will be broken by the shock from the airbag deployment.
        Fig 18: Covering Steering Wheel Pad With Cardboard Box
        G02632153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Covering method using tires:

        Place at least 3 tires without disc wheel on top of the disc wheel with tire to which the steering wheel pad is tied.

      Tire size: Must exceed the following dimensions: 

      Width: 185 mm (7.28 in.) 

      Inner diameter: 360 mm (14.17 in.) 

      CAUTION: Do not use tires with disc wheels.
      NOTE: The tires may be marked by the airbag deployment, so use the redundant tires.
    8. Deploy the airbag.
      1. Connect the SST red clip to the battery positive (+) terminal and the black clip to the battery negative (-) terminal.
        Fig 19: Identifying Covering Method Using Tires
        G02632154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Check that no one is within 10 m (33 ft) area around the disc wheel which the steering wheel pad is tied to.
      3. Press the SST activation switch and deploy the airbag.

      HINT:

      The airbag deploys simultaneously as the LED of the SST activation switch lights up.

      Fig 20: Identifying Distance Between SST And Steering Wheel Pad
      G02632155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Dispose of the steering wheel pad (with airbag).
      CAUTION:
      • The steering wheel pad is very hot when the airbag is deployed, so leave it alone for at least 30 minutes after deployment.
      • Use gloves and safety glasses when handling a steering wheel pad with the deployed airbag.
      • Always wash your hands with water after completing the operation.
      • Do not apply water, etc. to a steering wheel pad with the deployed airbag.
      1. Remove the steering wheel pad from the disc wheel.
      2. Place the steering wheel pad in a vinyl bag, tie the end tightly and dispose of it in the same way as other general parts.
      Fig 21: Placing Steering Wheel Pad In Vinyl Bag For Disposal
      G02632156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DEPLOYMENT WHEN DISPOSING OF STEERING WHEEL PAD WITH AIRBAG DEPLOYED IN COLLISION 

    Dispose of the steering wheel pad (with airbag).

    CAUTION:
    • The steering wheel pad is very hot when the airbag is deployed, so leave it alone for at least 30 minutes after deployment.
    • When moving a vehicle for scrapping which has a steering wheel pad with the deployed airbag, use gloves and safety glasses.
    • Use gloves and safety glasses when handling a steering wheel pad with deployed airbag.
    • Always wash your hands with water after completing the operation.
    • Do not apply water, etc. to a steering wheel pad with deployed airbag.
    1. Remove the steering wheel pad from the steering wheel (See REMOVAL ).
    2. Place the steering wheel pad in a vinyl bag, tie the end tightly and dispose of it in the same way as other general parts.
    Fig 22: Placing Steering Wheel Pad In Vinyl Bag For Disposal
    G02632157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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