Page 1417 of 2234

H40005
Battery
SST(s)
H40006
SST(s)
H42625
H42626SST(s)
60±20
±
SUPPLEMENTAL RESTRAINT SYSTEM HORN BUTTON ASSY
AVENSIS REPAIR MANUAL (RM1018E)
(1) Connect the SST(s) to the battery. Connect the red clip of the SST(s) to the battery
positive (+) terminal and the black clip of the SST(s)
to the battery negative (±) terminal.
HINT:
Do not connect the yellow connector of the SST(s) which is to
be connected with the supplemental restraint system.
(2) Check the function of the SST(s).Press the SST(s) activation switch, and check that
the LED of the SST(s) activation switch comes on.
CAUTION:
If the LED comes on when the activation switch is not being
pressed, SST(s) malfunction is posible, so be sure not to
use the SST(s). (3) Disconnect the SST(s) from the battery.
(b) Install the SST(s).
CAUTION:
Check that there is no looseness in the steering wheel assy
and horn button assy. (1)Remove the instrument panel hole (See page
60±54).
(2) Remove the instrument panel airbag assy (See page 60±54).
(3) While turning the steering wheel right and left, re-
move the 3 screws and steering column cover.
(4) Disconnect the airbag connector of the spiral cable sub±assy.
(5) Connect the connector of the SST(s) to the airbag connector of the spiral cable sub±assy.
SST 09082±00700, 09082±00780
NOTICE:
To avoid damaging the SST(s) connector and wire harness,
do not lock the secondary lock of the twin lock.
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Page 1418 of 2234

H40007
10 m (33 ft) or more
Battery
SST(s)
H40005
Battery
SST(s)
±
SUPPLEMENTAL RESTRAINT SYSTEM HORN BUTTON ASSY
60±21
AVENSIS REPAIR MANUAL (RM1018E)
(6) Move the SST(s) at least 10 m (33 ft) away from the
front of the vehicle.
(7) Close all the doors and windows in the vehicle.
NOTICE:
Take care not to damage the SST(s) wire harness. (8) Connect the red clip of the SST(s) to the batterypositive (+) terminal and the black clip of the SST(s)
to the negative (±) terminal.
(c) Deploy the airbag. (1) Check that no one is inside the vehicle or within a10 m (33 ft) radius of the vehicle.
(2) Press the activation switch of the SST(s) and
deploy the airbag.
HINT:
The airbag is deployed as the LED of the SST(s) activation
switch comes on.
(d) Dispose of the horn button assy.
CAUTION:
The horn button assy is extremely hot when the air-
bag is deployed, so do not touch it for at least 30 min-
utes after deployment.
When moving the vehicle which has the horn button
assy with the deployed airbag for scrapping, use
gloves and safety glasses.
Use gloves and safety glasses when handling the
horn button assy with the deployed airbag.
Always wash your hands with water after completing
the operation.
Do not apply water, etc. to the horn button assy with
the deployed airbag.
HINT:
When scrapping a vehicle, deploy the airbag and scrap the ve-
hicle with the horn button assy still installed.
2. DISPOSE OF HORN BUTTON ASSY (WHEN DISPOSING OF AIRBAG ASSEMBLY DEPLOYMENT
METHOD)
NOTICE:
When disposing of the horn button assy only, never
use the customer's vehicle to deploy the airbag.
Be sure to follow the procedure detailed below when
deploying the airbag.
HINT:
Have a battery as the power source to deploy the airbag.
(a) Check the function of the SST(s) (See step 1±(a)).
(b)Remove the horn button assy (See page 60±17).
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Page 1419 of 2234

H40008
Wire Harness
Diameter
Stripped Wire Harness Section
H42627
L M
H42628
SST(s)
60±22
±
SUPPLEMENTAL RESTRAINT SYSTEM HORN BUTTON ASSY
AVENSIS REPAIR MANUAL (RM1018E)
CAUTION:
When removing the horn button assy, work must be
started 90 seconds after the ignition switch is turned
to the ºLOCKº 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 mm
2 or more (0.0019 in2. or more)
CAUTION:
If a wire harness which 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
which has a diameter of at least 1.25 mm
2 (0.0019 in2).
HINT:
To calculate the square of the stripped wire harness section: Square = 3.14 x (Diameter)
2 divided by 4
(1) Install the 2 bolts with washers in the 2 bolts holes of 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 the bolts become diffi-
cult to turn.
Do not tighten the bolts too much.
(2) After connecting the SST(s) below to each other, connect them to the horn button assy.
SST 09082±00802 (09082±10801, 09082±30801)
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Page 1420 of 2234

H42629
2 Times or more
H42630SST(s)
H42631
SST(s)
±
SUPPLEMENTAL RESTRAINT SYSTEM HORN BUTTON ASSY
60±23
AVENSIS REPAIR MANUAL (RM1018E)
(3) Using 3 wire harnesses, wind each 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.
If there is slack in the wire harness, the horn button
assy may become loose due to the shock when the
airbag is deployed. This is highly dangerous.
(4) Face the upper surface of the horn button assy up- ward. Separately tie the left and right sides of the
horn button assy to the disc wheel through the hub
nut holes. Position the SST(s) connector so that it
hangs downward through a hub hole in the disc
wheel.
CAUTION:
Make sure that the wire harness is tight. It is highly
dangerous when looseness in the wire harness re-
sults in the horn button assy coming free due to the
shock from the airbag deployment.
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 a redundant disc wheel.
(d) Install the SST(s).
CAUTION:
Place the disc wheel on the level ground.
(1) Connect the connector of the SST(s).
SST 09082±00700
NOTICE:
To avoid damaging the SST(s) connector and wire harness,
do not lock the secondary lock of the twin lock. Also, se-
cure some slack for the SST(s) wire harness inside the disc
wheel.
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Page 1421 of 2234

H4263210 m (33 ft) or moreBattery
SST(s)
H42633Weight
X
Y
Y
H40013
Inner Diam.
Tires
(3 or More) Width
60±24
±
SUPPLEMENTAL RESTRAINT SYSTEM HORN BUTTON ASSY
AVENSIS REPAIR MANUAL (RM1018E)
(2) Move the SST(s) to 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 weigh the cardboard box down in 4 places with
at least 190 N (20 kg, 44 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 to which the
horn button assy 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.
Covering method using tires:
Place at least 3 tires with no disc wheels on top of
the tire with disc wheel to which the horn button assy
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.
NOTICE:
The tires may be marked by the airbag deployment,
so use a redundant tires.
Do not place the SST(s) connector under the tire be-
cause the SST(s) connector could be damaged.
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Page 1422 of 2234

H4263210 m (33 ft) or moreBattery
SST(s)
H42635
±
SUPPLEMENTAL RESTRAINT SYSTEM HORN BUTTON ASSY
60±25
AVENSIS REPAIR MANUAL (RM1018E)
(f) Deploy the airbag.
(1) Connect the red clip of the SST(s) to the batterypositive (+) terminal and the black clip of the SST(s)
to the battery negative (±) terminal.
(2) Check that no one is within a 10 m (33 ft) radius of the disc wheel which the horn button assy is tied to.
(3) Press the activation switch of the SST(s) and
deploy the airbag.
HINT:
The airbag is deployed as the LED of the SST(s) activation
switch comes on.
(g) Dispose of the horn button assy.
CAUTION:
The horn button assy is extremely hot when the air-
bag is deployed, so do not touch it for at least 30 min-
utes after deployment.
Use gloves and safety glasses when handling the
horn button assy with the deployed airbag.
Do not apply water, etc. to the horn button assy with
the deployed airbag.
Always wash your hands with water after completing
the operation.
(1) Remove the horn button assy from the disc wheel.
(2) Place the horn button assy in a plastic bag, tie the end tightly and dispose of it as other general parts
disposal.
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Page 1423 of 2234
600K3±01
H42798
Instrument Panel Hole Cover
18 (184, 13)
18 (184, 13)
18 (184, 13)
18 (184, 13)
Instrument Panel Airbag Assy
Nm (kgf cm, ftlbf): Specified torque
18 (184, 13)
18 (184, 13)
±
SUPPLEMENTAL RESTRAINT SYSTEM INSTRUMENT PANEL AIR BAG ASSY
60±53
AVENSIS REPAIR MANUAL (RM1018E)
INSTRUMENT PANEL AIR BAG ASSY
COMPONENTS
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Page 1424 of 2234
600K4±01
H42660
H42661
H42665
60±54
±
SUPPLEMENTAL RESTRAINT SYSTEM INSTRUMENT PANEL AIR BAG ASSY
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
3. REMOVE INSTRUMENT PANEL HOLE COVER
(a) Using a screwdriver, remove the 2 instrument panel hole cover. 4. REMOVE INSTRUMENT PANEL AIR BAG ASSY
(a) Using a screwdriver disconnect the airbag connector.
(b) Remove the 4 bolts, 2 nuts and the instrument panel air-bag assy.
5. INSTALL INSTRUMENT PANEL AIR BAG ASSY
(a) Install the instrument panel airbag assy.
(b) Connect the airbag connector.
(c) Install the 4 bolts and the 2 nuts. Torque: 18.0 N m (184 kgfcm, 13 ftlbf)
(d) Install the instrument panel hole cover.
6.INSPECT INSTRUMENT PANEL AIR BAG ASSY (See page 60±11)
7.INSPECT SRS WARNING LIGHT (See page 05±1184)
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