sensor TOYOTA AVALON 2003 XX20 / 2.G User Guide

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HEADLIGHTS
Manual operation—
To turn on the following lights: Twist
the headlight/turn signal lever knob.
Position 1—Parking, tail, license plate,
side marker and instrument panel lights
Position 2—Headlights and all of the
aboveAutomatic operation—
To turn on or off the lights automatical-
ly, twist the headlight/turn signal lever
knob to the “AUTO” position when the
ignition key is in the “ON” position.
The headlights and/or all of the lights in
position 1 automatically turn on or off de-
pending on the darkness of the surround-
ings.
Manually twist the knob to the position 2
to turn on the headlights if they are need-
ed immediately when entering a dark tun-
nel, parking structure, etc.The automatic light control sensor is on
the top of the driver’s side instrument
panel.
Do not place anything on the instrument
panel, and/or do not affix anything on the
windshield to block this sensor.
Headlights and turn signals
(for U.S.A.)

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Automatic operation—
To turn on or off the lights automatical-
ly, twist the headlight/turn signal lever
knob to the position 3 (“AUTO”) when
the ignition key is in the “ON” position.
The headlights and/or all of the lights in
position 1 automatically turn on or off de-
pending on the darkness of the surround-
ings.
Manually twist the knob to the position 2
to turn on the headlights if they are need-
ed immediately when entering a dark tun-
nel, parking structure, etc.
The automatic light control sensor is on
the top of the driver’s side instrument
panel.
Do not place anything on the instrument
panel, and/or do not affix anything on the
windshield to block this sensor.
Automatic light cut off system
Position 1 or position 3 with the tail
lights on—
The lights automatically turn off when the
driver ’s door is opened with the ignition
key in the “ACC” or “LOCK” position.Position 2 or position 3 with the head-
lights on—
The lights automatically turn off after 30
seconds when any of the door or trunk lid
is opened and closed with the ignition key
in the “ACC” or “LOCK” position.
Vehicles with wireless remote control sys-
tem—The lights can be turned off immedi-
ately by pushing the “LOCK” switch on the
wireless remote control transmitter with all
the doors locked and the trunk lid closed.
If any of the door or trunk lid is kept
opened, the lights automatically turn off
after 20 minutes.
To turn on the lights again, turn the igni-
tion key to the “ON” position or actuate
the headlight switch. If you are going to
park for over one week, make sure the
headlight switch is off.
NOTICE
To prevent the battery from being dis-
charged, do not leave the lights on
for a long period when the engine is
not running.

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Automatic operation (position 1)
The wiper speed is determined by the
amount of raindrops and sunlight detected
by the automatic wiper control sensor.
The automatic wiper control sensor is on
the inside of the windshield as shown
above.
If you feel that the operation of the auto-
matic wiper control is too fast or too slow,
twist the automatic control adjuster in the
“” direction to lower sensitivity, and “+”
direction to boost the sensitivity.Even if the wiper lever is in the position
1, the system will switch to intermittent
operations in the following conditions:
When the windshield gets extremely
cold (at less than 10C or 14F)
When the system malfunctions
However, when the windshield gets ex-
tremely hot (at more than 90C or 194F),
the wipers do not operate even if the
wiper lever is in the position 1.
When the ignition switch is turned off with
the wiper lever in the position 1, and then
the ignition switch is turned on again, the
automatic operation may not work even if
raindrops are on the windshield.
In this case, move the lever to another
position and return it to the position 1
again.
CAUTION
Be careful not to get your fingers
caught between the wipers and wind-
shield.
When the wiper lever is in the posi-
tion 1 with the ignition switch on, the
wipers could operate automatically in
the following cases:
If you touch the upper center of the
windshield adjacent to the sensor.
If you wipe the upper center of the
windshield (adjacent to which the
sensor is located) with a towel or
other object.
If the windshield vibrates.
If you touch the sensor.
NOTICE
Do not apply detergent to or wet the
automatic wiper control sensor when
cleaning the inside of the windshield.

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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
This light and buzzer remind you to
buckle up the driver’s seat belt.
Once the ignition key is turned to “ON” or
“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 keep flashing and the buzz-
er sounds for about 4 to 8 seconds.
(c) Front Outside Passenger ’s Seat Belt
Reminder Light
This light reminds you to buckle up the
front outside passenger ’s seat belt.
Once the ignition key is turned to “ON” or
“START”, the reminder light flashes if a
passenger sits in the front outside passen-
ger seat and does not fasten the seat
belt. Unless the front outside passenger
fastens the belt, the light stays on. This
light reminds you to buckle up the front
outside passenger ’s seat belt.
If luggage load is placed on the front
outside passenger seat, depending on its
weight and how it is placed on the seat,
builtin sensors in the seat cushion may
detect the pressure, causing the reminder
light to come on.(d) Discharge Warning Light
This light warns that the battery is being
discharged.
If it comes on while you are driving, there
is a problem somewhere in the charging
system.
The engine ignition will continue to oper-
ate, however, until the battery is dis-
charged. Turn off the air conditioning,
blower, radio, etc., and drive directly to
the nearest Toyota dealer or repair shop.
NOTICE
Do not continue driving if the engine
drive belt is broken or loose.
(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.

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If either of the following conditions
occurs, this indicates a malfunction
somewhere in the parts monitored by
the warning light. 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 “ON” posi-
tion, or remains on.
The light comes on while you are driv-
ing.
A warning light turning on briefly during
operation does not indicate a problem.
CAUTION
If the “ABS” warning light remains on
together with the brake system warn-
ing light, immediately stop your ve-
hicle at a safe place and contact your
Toyota dealer.
In this case, not only the antilock
brake system will fail but also the
vehicle will become extremely unsta-
ble during braking.
(i) Open Door Warning Light
This light remains on until all the doors
are completely closed.
(j) Rear Light Failure Warning Light
If this light comes on when the headlight
switch is turned on, it indicates that one
or more of the tail lights are burned out.
If it comes on when the brake pedal is
depressed, one or more stop lights are
burned out.
Have defective bulbs replaced as soon as
possible.
(k) SRS Warning Light
This light will come on when the igni-
tion key is turned to the “ON” position.
After about 6 seconds, the light will go
off. This means the system of the air-
bags and front seat belt pretensioners
are operating properly.
This warning light system monitors the
airbag sensor assembly, front airbag sen-
sors, side airbag sensors, driver ’s seat
position sensor, driver ’s seat belt buckle
switch, front seat belt pretensioner assem-
blies, inflators, warning light, interconnect-
ing 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 “ON” posi-
tion or remains on.
The light comes on or flashes while
driving.
(l) “VSC” Warning Light
The light warns that there is a problem
somewhere in the vehicle skid control sys-
tem or traction control system.
The light will come on when the ignition
key is turned to “ON”, and will go off after
about a few seconds.
If the light comes on while driving, the
vehicle skid control system and traction
control system do not work. However, as
conventional braking operates when ap-
plied, there is no problem to continue your
driving.

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The compass may not show the correct
direction in the following conditions:
The vehicle is stopped immediately af-
ter turning.
The compass does not adjust while the
vehicle is stopped.
The ignition switch is turned off imme-
diately after turning.
The vehicle is on an inclined surface.
The vehicle is in a place where the
earth’s magnetic field is subject to in-
terference by artificial magnetic fields
(underground parking, under a steel
tower, between buildings, roof parking,
near a crossing, near a large vehicle,
etc.).
The vehicle is magnetized. (There is a
magnet or a metal object on or near
the roof.)
The battery has been disconnected.
The compass works to calibrate the direc-
tion automatically while the vehicle is in
motion, if deviation is small.
For additional precision or for complete
calibrating, see “CALIBRATING THE
COMPASS” below.
Compass sensor
NOTICE
Do not put magnets or a metal object
on or near the roof of the vehicle.
Doing this may cause malfunction of
the compass sensor.
CALIBRATING THE COMPASS (deviation
calibration)
The direction display on the compass
deviates from the true direction deter-
mined by the earth’s magnetic field. The
angle of deviation varies according to the
geographic position of the vehicle.
To adjust for this deviation, stop the ve-
hicle and push the “MODE” button several
times until “ZONE XX” appears on the
calendar display. Then push the “RESET/
ADJ” button, referring to the following map
to select the number of the zone where
the vehicle is.

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CAUTION
Do not overestimate the antilock
brake system: Although the antilock
brake system assists in providing ve-
hicle control, it is still important to
drive with all due care and maintain
a moderate speed and safe distance
from the vehicle in front of you, be-
cause there are limits to the vehicle
stability and effectiveness of steering
wheel operation even with the anti
lock brake system on.
If tires grip performance exceeds its
capability, or if hydroplaning occurs
during high speed driving in the rain,
the antilock brake system does not
provide vehicle control.
Antilock brake system is not de-
signed to shorten the stopping dis-
tance: Always drive at the moderate
speed and maintain a safe distance
from the vehicle in front of you.
Compared with vehicles without an
antilock brake system, your vehicle
may require a longer stopping dis-
tance in the following cases:
Driving on rough, gravel or snow
covered roads.
Driving with tire chains installed.
Driving over the steps such as the
joints on the road.
Driving on roads where the road
surface is pitted or has other differ-
ences in surface height.
Install all 4 tires of specified size at
appropriate pressure: The antilock
brake system detects vehicle speeds
using the speed sensors for respec-
tive wheels’ turning speeds. The use
of tires other than specified may fail
to detect the accurate turning speed
resulting in a longer stopping dis-
tance.
Ty p e A
Ty p e B

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Engine compartment
Engine compartment
Fuses (type A)
1. HEAD RH UPR 10 A: No circuit
2. HEAD LH UPR 10 A: No circuit
3. HEAD RH LWR 15 A: Righthand
headlight (low beam)
4. HEAD LH LWR 15 A: Lefthand head-
light (low beam)
5. ABS NO.4 5 A: Vehicle skid control
system
6. DRL 7.5 A: Daytime running light sys-
tem
7. SPARE 30 A: Spare fuse
8. SPARE 15 A: Spare fuse
Instrument panel
9. SPARE 25 A: Spare fuse
10. SPARE 10 A: Spare fuse
11. ALTS 5 A: Charging system
12. DCC 30 A: “DOME”, “ECUB” and
“RADIO” fuses
13. SECURITY 10 A: Theftdeterrent sys-
tem
14. HAZ 15 A: Turn signal lights
15. A/F 25 A: Air/fuel sensor
16. DOOR NO.2 15 A: Power door lock
system
17. HORN 10 A: Horn, theftdeterrent sys-
tem
Fuses

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18. AM2 10 A: SRS airbag system, multi-
port fuel injection system/sequential
multiport fuel injection system, starter
system, charging system, air/fuel sen-
sor, fuel pump
19. EFI NO.2 7.5 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system, air flow meter, oxygen
sensor, evaporative emission control
system, throttle positioner control sys-
tem, engine control system
20. ABS NO.3 25 A: Antilock brake sys-
tem
21. ABS NO.2 25 A: Vehicle skid control
system
22. EFI NO.1 15 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system, fuel pump
23. IG2 15 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system
24. HEAD LH UPR 10 A: Lefthand head-
light (high beam), high beam indicator
light
25. HEAD RH UPR 10 A: Righthand
headlight (high beam)
26. ECUIG NO.1 5 A: Electric cooling
fans27. ECUB 7.5 A: Air conditioning system,
theft deterrent system, power seats,
meters, power windows (for driver and
front passenger), multiplex communica-
tion system
28. TAIL 10 A: Parking lights, license plate
lights, tail lights, rear side marker
lights, rear light failure warning light,
engine control system
29. SEAT HTR 20 A: Seat heaters
30. FR P/W 20 A: Power window (for front
passenger)
31. GAUGE NO.1 10 A: Vehicle skid con-
trol system, rear window defogger,
cruise control system, shift lock sys-
tem, antilock brake system, auto anti
glare inside rear view mirror, automatic
light control system, power seats, rear
light failure warning light, automatic
transmission indicator lights, power out-
let, power window (for driver), brake
system warning light, electric moon
roof
32. HTR 10 A: Air conditioning system
33. FOG 15 A: Front fog lights
34. TURN 7.5 A: Turn signal lights
35. A/C 10 A: Air conditioning system
36. RADIO 15 A: Audio system, multiin-
formation display37. PANEL 5 A: Gauges and meters, audio
system, cigarette lighter, air condition-
ing system, emergency flasher, elec-
tronically controlled automatic transmis-
sion system, power rear view mirrors,
multiinformation display, glove box
light, instrument panel lights, instrument
panel light control, power outlet
38. FL P/W 25 A: Power window (for driv-
er)
39. PWR OUTLET NO.1 15 A: Power out-
let (ACC)
40. ECUACC 5 A: Audio system, power
rear view mirrors, multiinformation dis-
play, shift lock system, multiplex com-
munication system
41. SRSACC 10 A: SRS airbag system
42. MIR HTR 10 A: Outside rear view mir-
ror defoggers, engine control system
43. PWR OUTLET NO.2 15 A: Power out-
let (IG)
44. GAUGE NO.2 10 A: Backup lights
45. OBDII 7.5 A:
Onboard diagnosis sys-
tem
46. STOP 15 A: Stop lights, high mounted
stoplight, antilock brake system, shift
lock system, cruise control system, ve-
hicle skid control system, engine con-
trol system