1997 TOYOTA AVALON ABS

37
The SRS airbags are not designed to
inflate if the vehicle is subjected to a
side or rear impact, if it rolls over, or if
it is involved in a low-speed frontal
collision.The SRS airbag system mainly consists
of the following components and their
locations are shown in the illustration.
1. Steering wheel pad (airbag and inflat-or)
2. Airbag sensor assembly.
3. SRS airbag warning light.
4. Passenger airbag module (airbag and inflator)
The airbag sensor assembly consists of a
safing sensor and airbag sensor. In a severe frontal impact, sensors detect
deceleration and the system triggers the
airbag inflators. Then a chemical reaction
in the inflators momentarily fills the air-
bags with non-toxic nitrogen gas to help
restrain the forward motion of the occu-
pants.
When the airbags inflate, they produce a
fairly
loud noise and release some smoke
along with the nitrogen gas. This is not
harmful and does not indicate a fire. Be
sure to wash off any residue as soon as
possible to prevent minor skin irritation.
Deployment of the airbags happen in a
fraction of a second, so the airbags must
inflate with considerable force. While the
system is designed to reduce serious inju-
ries, it may also cause minor burns or
abrasions and swellings.
Parts of the airbag module (steering
wheel hub, dashboard) may be hot for
several minutes, but the airbags them-
selves w ill not be hot. The airbags are de-
signed to inflate only once.
A crash severe enough to inflate the air-
bags may break the windshield as the ve-
hicle buckles. In vehicles with a passen-
ger airbag the windshield may also be
damaged by absorbing some of the force
of the inflating airbag.
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72
NOTICE
Do not drive the vehicle with the warning light onÐeven for one
block. It may ruin the engine.
(e) Malfunction Indicator Lamp
This lamp comes on in the following
cases.
a. The fuel tank is completely empty.
(See Fuel gaugeº in Chapter 1-5 for in-
structions.)
b. The fuel tank cap is not tightened se-
curely. (See Fuel tank capº in Chapter
1-2 for instructions.)
c. There is a problem somewhere in
your engine or automatic transmission
electrical system.
If it comes on while you are driving in case
c, have your vehicle checked/repaired by
your Toyota dealer as soon as possible.
(f) Low Fuel Level Warning Light
This light comes on when the fuel level in
the tank becomes nearly empty. Fill up
the tank as soon as possible. (g) ABSº Warning Light
This light warns that there is a problem
somewhere in your anti-lock brake sys-
tem.
If the light comes on while you are driving,
have your vehicle checked by your T
oyota
dealer as soon as possible.
The light will come on when the ignition
key is turned to the ONº position. After
about 3 seconds, the light will go off.
When the ABSº warning light is on (and
the brake system warning light is off), the
brake system operates conventionally but
anti-lock brake system is not assisting
brake performance so that the wheels can
lock-up during sudden braking or braking
on slippery road surfaces.
(h) Open Door Warning Light
This light remains on until all the doors are
completely closed.
(i) Rear Light Failure Warning Light
If this light comes on when the headlight
switch is turned on (at the position 1 or
position 2), it indicates that one or more of
the tail lights are burned out.
If it comes on when the brake pedal is de-
pressed, one or more stop lights are
burned out. Have
defective bulbs replaced as soon as
possible.
(j) SRS Airbag Warning Light
This light will come on when the igni-
tion key is turned to the ACCº or ONº
position. After about 6 seconds, the
light w ill go off. This means the airbag
system is operating properly.
The warning light system monitors airbag
sensor assembly, inflators, warning light,
interconnecting wiring and power
sources.
If either of the following conditions occurs,
this indicates a malfunction somewhere in
the parts monitored by the warning light
system. Contact your Toyota dealer as
soon as possible to service the vehicle.

The light does not come on when the
ignition key is turned to the ACCº or
ONº position or remains on.

The light comes on while driving.
(k) TRAC OFFº Indicator/Warning light
This light comes on when the ignition key
is turned to ONº, and will go off after 3
seconds. This means that the system is
operating properly.
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73
If one of the following conditions occurs,
this
indicates a malfunction somewhere in
the parts monitors by the warning light
system. Contact your Toyota dealer as
soon as possible to service the vehicle.

The light remains on more than 3 sec-
onds after the ignition switch is turned
on.

The light comes on while driving even
if the TRAC OFFº switch is not
pushed.

The light flashes.
(l) Key Reminder Buzzer
This buzzer reminds you to remove the
key when you open the driver's door with
the ignition key in the ACCº or LOCKº
position. CHECKING SERVICE REMINDER
INDI-
CATORS (except the low fuel level
warning light)
1. Apply the parking brake.
2. Open one of the doors. The open door warning light should
come on.
3. Close the door. The open door warning light should go
off.
4. Turn the ignition key to ACCº. The SRS airbag warning light should
come on. It goes off after about 6 sec-
onds.
5. Turn the ignition key to ONº, but do not start the engine.
All the service reminder indicators ex-
cept the open door warning light and
SRS airbag warning light should come
on. The ABSº warning light goes off
after about 3 seconds.
If any service reminder indicator or warn-
ing buzzer does not function as described
above, either the bulb is burned out or the
circuit is in need of repair. Have it checked
by your Toyota dealer as soon as pos-
sible.ProCarManuals.com

135
CAUTION!

Do not pump the brake pedal if the
engine stalls. Each push on the
pedal uses up your vacuum re-
serve.

Even if the power assist is com-
pletely lost, the brakes will still
work. But you will have to push the
pedal hardÐmuch harder than nor-
mal. And your braking distance will
be longer.
ANTI-LOCK BRAKE SYSTEM
(with ABSº warning light)
The anti-lock brake system is designed to
automatically prevent lock-up of the
wheels during sudden braking or braking
on slippery road surfaces. This assists in
providing directional stability and steering
performance of the vehicle under these
circumstances.
The anti-lock brake system becomes op-
erative after the vehicle has accelerated
to a speed in excess of approximately 10
km/h (6 mph). It stops operating when the
vehicle decelerates to a speed below
approximately 5 km/h (3 mph). You may hear a sound in the engine
compartment for a
few seconds when the
engine is started or just after the vehicle
is started. This means that the anti-lock
brake system is in the self check mode,
and does not indicate a malfunction.
Effective way to press the ABSº brake
pedal: When the an ti-lock brake system
function is in action, you may feel the
brake pedal pulsating and hear a noise.
In this situation, to let the anti-lock brake
system work for you, just hold the brake
pedal down more firmly. Do not pump
the brake. This will result in reduced
braking performance.
The brake pedal pulsation caused by the
anti-lock brake system may indicate haz-
ardous road surface conditions. Although
the anti-lock brake system assists in pro-
viding vehicle control, it is still important to
drive with all due care, because the anti-
lock brake system cannot overcome the
laws of physics that act on your vehicle:

Braking c apability is dependent on tire
friction with the road surface.

Even though the anti-lock brake sys-
tem is operating, a driver cannot main-
tain full control on certain slippery road
surfaces, when cornering at high
speeds, or in violent maneuvers.

Avoid high speeds on wet roads. The
anti-lock brake system cannot elimi-
nate the risk of hydroplaning and loss
of tire friction.
Always maintain a safe distance from the
vehicle in front of you. Compared with ve-
hicles not fitted with an anti-lock brake
system, your vehicle may require a longer
stopping distance in the following cases:

Driving on rough, gravel or snow-cov-
ered roads.

Driving with tire chains installed.

Driving on roads where the road sur-
face is pitted or has other differences
in surface height.
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136
Type A
Type BABSº warning light
This light comes on when the ignition key
is turned to the ONº position. After about
3 seconds, the light will go off.
If either of the following conditions occurs,
this indicates a malfunction somewhere in
the parts monitored by the warning light
system. Contact your Toyota dealer as
soon as possible to service the vehicle.


The light does not come on as de-
scribed above, or remains on.

The light comes on while driving.
Even if the anti-lock brake system should
fail, the brake system will still operate con-
ventionally. However, when the `ABS''
warning light is on (and the brake system
warning light is off), the anti-lock brake
system is not assisting brake perfor-
mance so that the wheels can lock-up
during sudden braking or braking on slip-
pery road surfaces. Have your vehicle
checked by your Toyota dealer as soon as
possible DRUM-IN-DISC TYPE PARKING
BRAKE SYSTEM
Your vehicle has a drum-in-disc type
parking brake system. This type brake
system needs bedding-down of
the brake
shoes periodically or whenever the park-
ing brake shoes and/or drums are re-
placed.
Have your Toyota dealer perform the bed-
ding-down.
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146HITCHES


Use only a hitch which is recom-
mended by the hitch manufacturer and
conforms to the total trailer weight re-
quirment.

Follow the directions supplied by the
hitch manufacturer, and bolt the hitch
securely to the rear bumper. Lubricate
the hitch ball with a light coat of grease.

Toyota recommends removing the
trailer hitch whenever you are not tow-
ing a trailer to reduce the possibility of
additional damage caused by the hitch
if your vehicle is struck from behind.
After removing the hitch, seal any
mounting holes in the vehicle body to
prevent entry of pollutants such as ex-
haust fumes, dirt, water, etc.
Do not use axle-mounting hitches
they can cause damage to the axle
housing, wheel bearings, wheels ortires. Also, never install a hitchwhich may interfere with the normalfunction of an Energy AbsorbingBumper.
NOTICE
BRAKES AND SAFETY CHAINS

Toyota recommends trailers with
brakes that conform to any applicable
federal and state/provincial regula-
tions.

A safety chain must always be used
between the towing vehicle and the
trailer. Leave sufficient slack in the
chain for turns. The chain should cross
under the trailer tongue to prevent the
tongue from dropping to the ground in
case it becomes damaged or seper-
ated. For correct safety chain proce-
dures, follow the hitch or trailer
manufacturer 's recommendations.
CAUTION

If the total trailer weight exceeds
453 kg (1000 lb.), trailer brakes are
required.

Never tap into your vehicle's hy-
draulic system as it would lower its
braking effectiveness.!

Never tow a trailer without using a
safety chain securely attached to
both the trailer and the vehicle. If
damage occurs to the coupling
unit or hitch ball, there is danger of
the trailer wandering over into
another lane.
TIRES

Ensure that your vehicle's tires are
properly inflated. See Chapter 7-2 for
instructions.

The trailer tires should be inflated to
the pressure recommended by the
trailer manufacturer in respect to the
total trailer weight.
TRAILER LIGHTS

Trailer lights must comply with federal,
state/provincial and local regulations.
See your local recreational vehicle
dealer or rental agency for the correct
type of wiring and relays for your trail-
er. Check for correct operation of the
turn signals and stop lights each time
you hitch up. Direct splicing may dam-
age your vehicle's electrical system
and cause a malfunction of your lights.
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148

Avoid jerky steering and sharp turns.
The trailer could hit your vehicle in a
tight turn. Slow down before making a
turn to avoid the necessity of sudden
braking.

Remember that when making a turn,
the trailer wheels will be closer than
the vehicle wheels to the inside of the
turn. Therefore, compensate for this
by making a larger than normal turning
radius with your vehicle.

Crosswinds and rough roads will ad-
versely affect handling of your vehicle
and trailer, causing sway. Pay atten-
tion to the rear from time to time to pre-
pare yourself for being passed by large
trucks or buses, which may cause your
vehicle and trailer to sway. If swaying
happens, firmly grip the steering wheel
and reduce speed immediately but
gradually. Never increase speed.
Steer straight ahead. If you make no
extreme correction with the steering or
brakes, the vehicle and trailer will sta-
bilize.

Be careful when passing other ve-
hicles. Passing requires considerable
distance. After passing a vehicle, do
not forget the length of your trailer and
be sure you have plenty of room be-
fore changing lanes.

In order to maintain engine braking ef-
ficiency, do not use overdrive.

Because of the added load of the trail-
er, your vehicle's engine may overheat
on hot days (at temperatures over
305C [85 5F]) when going up a long or
steep grade with a trailer. If the engine
coolant temperature gauge indicates
overheating, immediately turn off the
air conditioning (if in use), pull off the
road and stop in a safe spot. Refer to
If your vehicle overheatsº in Part 4 of
this manual.

Always place wheel blocks under both
the vehicle and trailer wheels when
parking. Apply the parking brake firm-
ly. Put the transmission in Pº. Avoid
parking on a slope with a trailer, but if
it cannot be avoided, do so only after
performing the following: 1. Apply the brakes and hold.
2. Have
someone place wheel blocks un-
der both the vehicle and trailer wheels.
3. When the wheel blocks are in place, release your brakes slowly until the
blocks absorb the load.
4. Apply the parking brake frimly.
5. Shift into Pº and turn off the engine.
When restarting out after parking on a
slope:
1. With the transmission in Pº position, start the engine. Be sure to keep the
brake pedal depressed.
2. Shift into the 2º, Lº or Rº position.
3. Release the parking brake and brake pedal and slowly pull or back away
from the wheels blocks. Stop and ap-
ply your brakes.
4. Have someone retrieve the blocks.ProCarManuals.com

188If the level is low, add SAE J1703 or
FMVSS No. 116 DOT 3 brake fluid to the
brake reservoir.
Remove and replace the reservoir cover
by hand. Fill the brake fluid to the dotted
line.
This brings the fluid to the correct lev-
el when you put the cover back on.
Use only newly opened brake fluid. Once
opened, brake fluid absorbs moisture
from the air, and excess moisture can
cause a dangerous loss of braking.
CAUTION
Take care when filling the reservoir
because brake fluid can harm your
eyes and damage painted surfaces. If
fluid gets in your eyes, flush your
eyes with clean water.!
If you spill the fluid, be sure to wash it off with water to prevent it from
damaging the parts or paint.
NOTICE
Check the fluid level through the reser-
voir. If necessary, add automatic trans-
mission fluid DEXRON
[II or -III.
If the vehicle has been driven around 80
km/h (50 mph) for 20 minutes (a little more
in frigid temperatures), the fluid is hot
(60 C ' 80 C or 140 F ' 175 F). You
may also check the level when the fluid is
cold (about room temperature, 10 C '
30 C or 50 F ' 85 F) if the engine has
not been run for about five hours. Clean all dirt from outside of the reservoir
tank and look at the fluid level. If the fluid
is cold, the level should be in the COLDº
range. Similarly, if it is hot, the fluid level
should be in the HOTº range. If the level
is at the low side of either range, add auto-
matic transmission fluid DEXRON
[-II or
-III to bring the level within range.
To remove the filler cap, turn it counter-
clockwise and lift up. To reinstall it, turn it
clockwise. After replacing the filler cap,
visually check the steering box case, vane
pump and hose connections for leaks or
damage.
CAUTION
The reservoir tank may be hot so be
careful not to burn yourself.!
Avoid overfilling, or the power steering could be damaged.
NOTICE
Checking power steering fluid
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