2007 TOYOTA AVALON check engine

viii
Smart key system
Users of any electrical medical devices such as implanted
pacemakers should consult the manufacturer of the device
for information about its operation under the influence of ra-
dio waves. Radio waves could have unexpected effects on
the operation of such medical devices. For details, see
“Keys” on page 14 and “Smart key system” on page 27 in
Section 1−2.
Tires and loading on yourTo y o t a
Underinflated or overinflated tire pressure and ex-
cess load may result in the deterioration of steering
ability and braking ability, leading to an accident.
Check the tire inflation pressure periodically and be
sure to stay with the load limits given in this Owner’s
Manual. For details about tire inflation pressure and
load limits, see pages 289 and 361.
Scrapping of your Toyota
The SRS airbag and seat belt pretensioner devices in your
Toyota contain explosive chemicals. If the vehicle is scrapped
with the airbags and pretensioners left as they are, this may
cause an accident such as fire. Be sure to have the systems
of the SRS airbag and seat belt pretensioner removed and
disposed of by the qualified service shop or by your Toyota
dealer before you dispose of your vehicle.
Leak detection pump
This pump performs fuel evaporation leakage check. This
check is done approximately five hours after the engine is
turned off. So you may hear sound coming from underneath
the luggage compartment for several minutes. It does not
indicate a malfunction.

27
4. Put in a new battery with the positive(+) side up. Install the cover and insert
the mechanical key into the transmitter.
Close the transmitter case securely.
NOTICE
 Make sure the positive side and
negative side of the battery are
faced correctly.
 Do not replace the battery with wet
hands. Water may cause unexpected
rust.
 Do not touch or move any compo-
nents inside the transmitter, or it
may interfere with proper operation.
 Be careful not to bend the electrode
when inserting the transmitter bat-
tery and that dust or oils do not
adhere to the case.
 Close the transmitter case securely.
After replacing the battery, check that the
transmitter operates properly. If the trans-
mitter still does not operate properly, con-
tact your Toyota dealer. The smart key system consists mainly
of the following functions.
Engine immobilizer function (For de-
tails, see “Engine immobilizer system”
on page 16 in this Section.)
Wireless remote control function (For
details, see “Wireless remote control”
on page 18 in this Section.)
Push button start function (For details,
see “How to start the engine” on page
296 in Section 3.)
Entry function and start function (See
“ENTRY FUNCTION AND START
FUNCTION” described below.)
Steering lock function (See “STEERING
LOCK FUNCTION” described below.)
Smart key system

68
Push the knob into the recessed position
when not in use.
NOTICE
Do not put unevenly weighted ob-
jects on the seat and do not stick
sharp objects (needles, nails, etc.)
into the seat.
 When cleaning the seats, do not
use organic substances (paint thin-
ner, benzine, alcohol, gasoline,
etc.). They may damage the seat
ventilation/heating system and seat
surface.
 Before cleaning the seats, fully
wring out the towel that will be
used. Water entering the seats may
cause the seat ventilation/heating
system to malfunction.
 To prevent the battery from being
discharged, turn the switches off
when the engine is not running.
Toyota strongly urges that the driver and
passengers in the vehicle be properly re-
strained at all times with the seat belts
provided. Failure to do so could increase
the chance of injury and/or the severity of
injury in accidents.
The seat belts provided for your vehicle
are designed for people of adult size,
large enough to properly wear them.
Child. Use a child restraint system ap-
propriate for the child until the child be-
comes large enough to properly wear the
vehicle’s seat belts. See “Child restraint”
on page 98 in this Section for details.
If a child is too large for a child restraint
system, the child s hould sit in the rear
seat and must be restrained using the
vehicle’s seat belt. According to accident
statistics, the child is safer when properly
restrained in the rear seat than in the
front seat.
If a child must sit in the front seat, the
seat belts should be worn properly. If an
accident occurs and the seat belts are not
worn properly, the force of the rapid infla-
tion of the airbag may cause death or
serious injury to the child. Do not allow any children to stand up or
kneel on either rear or front seats. An
unrestrained child could suffer serious in-
jury or death during emergency braking or
a collision. Also, do not let the child sit
on your lap. Holding a child in your arms
does not provide sufficient restraint.
Pregnant woman.
Toyota recommends the
use of a seat belt. Ask your doctor for
specific recommendations. The lap belt
should be worn securely and as low as
possible over the hips and not on the
waist.
Injured person. Toyota recommends the
use of a seat belt. Depending on the inju-
ry, first check with your doctor for specific
recommendations.
Seat belts—
—Seat belt precautions

147
If the indicator or buzzer comes on...Do this.
(o)Replace engine oil.
(p)
(indicator and buzzer)
Shift selector lever to “P” and turn off engine. Check key.
(q)Dynamic laser cruise control
master warning lightCheck condition according to warning code. If system malfunctions, contact Toyota
dealer.
(r)Key reminder buzzerRemove key.

148
(a) Brake System Warning Light andBuzzer
This light comes on in the following cases
when the ignition switch is set at ON.
When the parking brake is applied...
This light comes on for a few seconds
when the ignition switch is set at ON even
after the parking brake is released.
If the vehicle speed rises above 5 km/h
(3 mph) with the parking brake applied for
1 seconds or more, a buzzer sounds.
When the brake fluid level is low...
CAUTION
It is dangerous to continue driving
normally when the brake fluid level is
low.
Have your vehicle checked at your
Toyota dealer in the following cases:
The light does not come on even if the
parking brake is applied when the igni-
tion switch is set at ON.
The light does not come on even if the
ignition switch is set at ON with the
parking brake released. A warning light turning on briefly during
operation does not indicate a problem.
CAUTION
If either of the following conditions
occurs, immediately stop your vehicle
at a safe place and contact your
Toyota dealer.
The light does not turn off even
after the parking brake is released
while the engine is running.
In this case, the brakes may not
work properly and your stopping
distance will become longer. De-
press the brake pedal firmly and
bring the vehicle to an immediate
stop.
The brake system warning light re-
mains on together with the “ABS”
warning light.
In this case, not only the antilock
brake system will fail but also the
vehicle will become extremely un-
stable during braking.
(b) Driver’s Seat Belt Reminder Light
and Buzzer
The light and buzzer act as a reminder to
buckle up the driver’s seat belt.
Once the ignition switch is set at ON or
engine start, the reminder light flashes
and buzzer sounds if the driver ’s seat belt
is not fastened. Unless the driver fastens
the belt, the light continues flashing and
the buzzer sounds for about 6 seconds.
If the vehicle speed rises above 15 km/h
(9 mph) with the seat belt unfastened, the
buzzer will sound for about 10 seconds.
Then, if the seat belt is still unfastened,
the buzzer will sound in a different tone
for 20 seconds. Even if the vehicle speed
drops below 15 km/h (9 mph), the buzzer
will continue to sound. To stop the buzzer,
fasten the seat belt. If the buzzer still
sounds, make sure the front passenger ’s
seat belt is fastened.

149
(c) Front Passenger ’s Seat Belt Re-minder Light and Buzzer
The light and buzzer act as a reminder to
have the front passenger buckle up the
seat belt.
Once the ignition switch is set at ON or
engine start, the reminder light flashes if
a passenger sits in the front passenger
seat and does not fasten the seat belt.
Unless the front passenger fastens the
belt, the light continue flashing.
If the vehicle speed rises above 15 km/h
(9 mph) with the seat belt unfastened, the
buzzer will sound for about 10 seconds.
Then, if the seat belt is still unfastened,
the buzzer will sound in a different tone
for 20 seconds. Even if the vehicle speed
drops below 15 km/h (9 mph), the buzzer
will continue to sound. To stop the buzzer,
fasten the seat belt. If the buzzer still
sounds, make sure the driver ’s seat belt
is fastened.
If luggage or other load is placed on the
front passenger seat, depending on its
weight, the reminder light to flash and
buzzer to sound. (d) Charging System Warning Light
This warning light comes on when the
ignition switch is set at ON, and goes off
when the engine is started.
When there are problems in the charging
system while the engine is r
unning, the
warning light comes on.
NOTICE
When the charging system warning
light comes on while the engine is
running, malfunctions such as the en-
gine drive belt being broken may have
occurred. If the warning light comes
on, immediately stop the vehicle in a
safe place and contact your Toyota
dealer.
(e) Low Engine Oil Pressure Warning Light
This light warns that the engine oil pres-
sure is too low.
If it flickers or stays on while you are
driving, pull off the road to a safe place
and stop the engine immediately. Call a
Toyota dealer or qualified repair shop for
assistance.
The light may occasionally flicker when
the engine is idling or it may come on
briefly after a hard stop. There is no
cause for concern if it then goes out when
the engine is accelerated slightly.
The light may come on when the oil level
is extremely low. It is not designed to
indicate low oil level, and the oil level
must be checked using the level dipstick.
NOTICE
Do not drive the vehicle with the
warning light on—even for one block.
It may ruin the engine.

150
(f) Malfunction Indicator Lamp
This lamp comes on when the ignition
switch is set at ON and goes off after
the engine starts. This means that the
warning light system is operating prop-
erly.
If the lamp remains on, or the lamp
comes on while driving, first check the
followings.
Empty fuel tank
If the fuel tank is empty, refuel immedi-
ately.
Loose fuel tank cap
If the fuel tank cap is loose, securely
tighten it.
These cases are temporary malfunctions.
The malfunction indicator lamp will go off
after taking several driving trips.
If the lamp does not go off even after
several trips, contact your Toyota dealer
as soon as possible. If the fuel tank is not empty or the fuel
tank cap is not loose...
There is a problem somewhere in the
engine, emission control system, elec-
tronic throttle control system, automatic
transmission electrical system or warn-
ing light system itself.
Contact your Toyota dealer as soon as
possible to service the vehicle.
If engine speed does not increase when
the accelerator pedal is depressed, there
may be a problem somewhere in the elec-
tronic throttle control system.
At this time, vibration may occur. Howev-
er, if you depress the accelerator pedal
more firmly and slowly, you can drive your
vehicle at low speeds. Have your vehicle
checked by your Toyota dealer as soon as
possible.
Even if the abnormality of the electronic
throttle control system is corrected during
low speed driving, the system may not be
recovered until the engine is stopped and
the engine off.
CAUTION
Be especially careful to prevent erro-
neous pedal operation.
Emissions Inspection and Maintenance
(I/M) programs
Your vehicle may not pass a state
emission inspection if the malfunction
indicator lamp remains on. Contact your
Toyota dealer to check your vehicle’s
emission control system and OBD
(On −Board Diagnostics) system before
taking your vehicle for the inspection.
For details, see “Emissions Inspection and
Maintenance (I/M) programs” on page 346
in Section 6.
(g) 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.
On inclines or curves, due to the move-
ment of fuel in the tank, the low fuel level
warning light may come on earlier than
usual.

153
(k) “VSC” Warning Light
The light warns that there is a problem
somewhere in the vehicle stability control
system or traction control system.
The light will come on when the ignition
switch is set at ON and will go off after
about a few seconds.
If the light comes on while driving, the
vehicle stability control system and trac-
tion control system do not work. However,
as conventional braking operates when ap-
plied, there is no problem to continue your
driving.
In the following cases, contact your Toyota
dealer:
The light does not come on after the
ignition is turned to on.
The light is left on after the ignition is
turned to on.
The light comes on while driving.
(l) Tire Pressure Warning Light
This light warns that the tire inflation pres-
sure of one or more of your tires is low.
The light comes on when the ignition
switch is set at ON. It goes off after a
few seconds. This indicates that the tire
pressure warning system is functioning
properly. If the warning light comes on, stop your
vehicle in a safe place as soon as pos-
sible and check that the inflation pressure
of all tires is as specified on the tire and
loading information label. (See “Checking
tire inflation pressure“ on page 361 in
Section 7
−2.) The light should go off a
few minutes after the tire pressure is ad-
justed.
If the warning light comes on after blink-
ing for 1 minute, the tire pressure warning
system may be malfunctioning. Contact
your Toyota dealer.
For details, see “Tire pressure warning
system” on page 169 in Section 1 −7.
(m) Low Windshield Washer Fluid Level Warning Light
The light warns that the windshield washer
fluid level is too low. Add washer fluid at
your earliest opportunity. (For instructions,
see “Adding washer fluid” on page 375 in
Section 7 −3.)
The light will come on when the ignition
switch is set at ON and will go off after
about a few seconds. (n) Automatic Headlight Leveling Sys-
tem Warning Light
This light warns that when there is a
problem somewhere in the automatic
headlight leveling system.
The light will come on when the ignition
switch is set at ON and will go off after
a few seconds.
If it comes on, have your vehicle checked
by your Toyota dealer.
(o) Engine Oil Replacement Reminder Light (for vehicles sold in U.S.A.)
This light acts as a reminder to replace
the engine oil.
This light will come on when the ignition
switch is set at ON and will go off after
about a few seconds.
When you drive for about 7200 km (4500
miles) after the engine oil replacement,
this light illuminates for about 3 seconds
and then flashes for about 15 seconds
with the ignition switch is set at ON. If
you continue driving without replacing the
engine oil, and if the distance driven ex-
ceeds 8000 km (5000 miles), the light will
come on after the ignition switch is set at
ON. The light will remain on thereafter.