Toyota Highlander Service Manual: Disposal
HINT:
When scrapping a vehicle equipped with the SRS or disposing of the horn button
assy, 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 TOYOTA MOTOR SALES, U.S.A., INC.
CAUTION:
- Never dispose of a horn button assy that has an undeployed
airbag.
- The airbag produces an exploding sound when it is
deployed, so perform the operation outdoors and
where it will not create a nuisance to 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.
- When deploying the airbag, perform the operation at
least 10 m (33 ft) away from the horn button assy.
- The horn button assy becomes extremely hot when
the airbag is deployed, so do not touch it for at least
30 minutes after deployment.
- Use gloves and safety glasses when handling a horn
button assy with a deployed airbag.
- Do not apply water, etc. to a horn button assy with a
deployed airbag.
- Always wash your hands with water after completing
the operation.
1. DISPOSE OF HORN BUTTON ASSY (WHEN INSTALLED IN VEHICLE)
HINT:
Prepare a battery as the power source to deploy the airbag.
(a) Check the function of the SST.
SST 09082-00700
CAUTION:
When deploying the airbag, always use the specified SST:
SRS Airbag Deployment Tool.
- Connect the SST to the battery.
Connect the red clip of the SST to the battery positive
(+) terminal and the black clip of the SST to the
battery negative (-) terminal.
HINT:
Do not connect the yellow connector of the SST which is to be
connected with the supplemental restraint system.
- Check the function of the SST.
Press the SST activation switch, and check that the
LED of the SST activation switch comes on.
CAUTION:
If the LED comes on when the activation switch is not being
pressed, SST malfunction is possible, so be sure not to use
the SST.
- Disconnect the SST from the battery.
(b) Precaution (see page 60-1 ).
(c) Disconnect the battery negative terminal (see page
60-1 ).
(d) Remove the steering column cover LWR.
- While turning the steering wheel assy to the right
and left, remove the 3 screws and steering column
cover LWR.
(e) Install the SST.
CAUTION:
Check that there is no looseness in the steering wheel assy
and horn button assy.
- Disconnect the airbag connector (yellow colored
one) from the spiral cable sub-assy.
NOTICE:
When handling the airbag connector, take care not to damage
the airbag wire harness.
- Connect the SST connector to the airbag connector
of the spiral cable sub-assy.
SST 09082-00700, 09082-00780
NOTICE:
To avoid damaging the SST connector and wire harness,
do not lock the secondary lock of the twin lock.
- 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
negative (-) terminal.
(f) 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:
- When deploying the airbag, make sure that no one is
near the vehicle.
- The horn button assy becomes extremely hot when
the airbag is deployed, so do not touch it for at least
30 minutes after deployment.
- Use gloves and safety glasses when handling a horn
button assy with a deployed airbag.
- Always wash your hands with water after completing
the operation.
- Do not apply water, etc. to a horn button assy with a
deployed airbag.
HINT:
The airbag is deployed as the LED of the SST activation switch
comes on.
2. DISPOSE OF HORN BUTTON ASSY (WHEN NOT INSTALLED IN VEHICLE)
NOTICE:
- When disposing of the horn button assy, never use
the customer's vehicle to deploy the airbag.
- Be sure to follow the procedure detailed below when
deploying the airbag.
HINT:
Prepare a battery as the power source to deploy the airbag.
(a) Check the function of the SST (see step 1-(a)).
(b) Remove the horn button assy (see page 60-17 ).
CAUTION:
- When removing the horn button assy, 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 horn button assy, keep the upper
surface of the airbag deployment side facing upward.
(c) Using a service-purpose wire harness for the vehicle, tie
down the horn button assy to the disc wheel.
Wire harness: Stripped wire harness section
1.25 mm2 or more (0.0019 in.2 or more)
CAUTION:
If the wire harness is too thin or an alternative object is
used to tie down the horn button assy, it may be snapped
by the shock when the airbag is deployed. This is highly
dangerous. Always use a wire harness for vehicle use with
an area of at least 1.25 mm2 (0.0019 in.2).
HINT:
To calculate the area of the stripped wire harness section:
Area = 3.14 x (Diameter)2 divided by 4
- Install the 2 bolts with washers into the 2 bolt holes
on the horn button assy.
Bolt:
L: 35.0 mm (1.378 in.)
M: 6.0 mm (0.236 in.)
Pitch: 1.0 mm (0.039 in.)
NOTICE:
- Tighten the bolts by hand until they become difficult
to turn.
- Do not tighten the bolts excessively.
- After connecting the SST below to each other, connect
them to the horn button assy.
SST 09082-00802 (09082-10801, 09082-30801)
- Using 3 wire harnesses, wind wire harness at least
2 times each around the bolts installed on the left
and right sides of the horn button assy.
CAUTION:
- Tightly wind the wire harness around the bolts so that
there is no slack.
- Make sure that the wire harness is tight. If there is
slack in wire harness, the horn button assy may become
loose due to the shock when the airbag is
deployed. This is highly dangerous.
- Face the upper surface of the horn button assy upward.
Separately tie the left and right sides of the
horn button assy to the disc wheel through the hub
nut holes. Position the SST connector so that it
hangs downward through a hub hole in the disc
wheel.
CAUTION:
Make sure that the wire harness is tight. If there is
slack in wire harness, the horn button assy may become
loose due to the shock when the airbag is
deployed. This is highly dangerous.
Always tie down the horn button assy with the pad
side facing upward. It is highly dangerous if the horn
button assy is tied down with the metal surface facing
upward as the wire harness will be cut by the shock
caused by the airbag deployment and the horn button
assy will be thrown into the air.
NOTICE:
The disc wheel will be marked by the airbag deployment,
so use an extra disc wheel.
(d) Install the SST.
CAUTION:
Place the disc wheel on level ground.
- 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 disc
wheel.
- Move the SST at least 10 m (33 ft) away from the
horn button assy tied down to the disc wheel.
(e) Cover the horn button assy with a cardboard box or tires.
- Covering method using a cardboard box:
Cover the horn button assy with the cardboard box
and place the weights on the cardboard box in 4
places with at least 190 N (19 kg, 43 lb).
Size of cardboard box:
Must exceed the following dimensions:
X = 460 mm (18.11 in.)
Y = 650 mm (25.59 in.)
NOTICE:
- When the dimension Y of the cardboard box exceeds
the diameter of the disc wheel with tire which the horn
button assy is tied to, X should be the following size.
X = 460 mm (18.11 in.) + width of tire
- If a cardboard box which is smaller than the specified
size is used, the cardboard box will be broken by the
shock from the airbag deployment.
- Covering method using tires:
Place at least 3 tires without disc wheels on top of
the tire with disc wheel which the horn button assy
is tied to.
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.
NOTICE:
- The tires may be marked by the airbag deployment,
so use an extra tire.
- 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. It is highly dangerous
when looseness in the wire harness results in the tires
coming free due to the shock when the airbag is deployed.
(f) 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 disc wheel which the horn button assy 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.
(g) Dispose of the horn button assy.
CAUTION:
- The horn button assy becomes extremely hot when
the airbag is deployed, so do not touch it for at least
30 minutes after deployment.
- Use gloves and safety glasses when handling a horn
button assy with a deployed airbag.
- Do not apply water, etc. to a horn button assy with a
deployed airbag.
- Always wash your hands with water after completing
the operation.
- Remove the horn button assy from the disc wheel.
- Place the horn button assy in a plastic bag, tie it
tightly and dispose of it as other general parts disposal.
HINT:
Installation is in the reverse order of removal.
1. PRECAUTION (SEE PAGE 60-1 )
2. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PAGE 60-1 )
3. REMOVE STEERING WHEEL COVER LOWER NO.3
(a) Us ...
REPLACEMENT
HINT:
COMPONENTS: See page 60-16 .
Installation is in the reverse order of removal.
1. PRECAUTION (SEE PAGE 60-1 )
2. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PAGE 60-1 )
3. P ...
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