2008 TOYOTA AVALON warning lights

350 4-3. Do-it-yourself maintenance
AVALON_U_(L/O_0802)
FuseAmpereCircuit
11S-HTR20 AAir conditioning system
12DOOR No.225 AMultiplex communication system
13S/ROOF30 AMoon roof
14TA I L10 A
Parking lights, license plate lights,
tail lights, front and rear side
marker lights
15PA N E L7.5 A
Seat heaters, navigation system,
emergency flashers, 
electronically controlled 
automatic transmission system,
glove box light, instrument panel
lights, power outlets
16ECU IG No.110 A
Center display, shift lock control
system, moon roof, multiplex 
communication system, tire pres-
sure monitoring (warning) system
17ECU IG No.210 A
Anti-lock brake system, dynamic
laser cruise control system, 
automatic headlight leveling 
system, vehicle stability control
system, multiplex 
communication system
18HTR7.5 A
Air conditioning system, 
instrument panel lights, electric
cooling fan
19A/C COMP7.5 AAir conditioning system
20GAUGE No.110 ABack-up lights, navigation 
system, emergency flashers
21WIP30 AWindshield wipers
22RR S/SHADE10 ARear sunshade

370
AVALON_U_(L/O_0802)
5-2. Steps to take in an emergency
If a war ning light tur ns on or a war ning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact your
Toyota dealer.
*: Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driven at a speed of approxi-
mately 3 mph (5 km/h) or more.
Warning lightWarning light/Details

(U.S.A.)

(Canada)
Brake system warning light (warning buzzer)*
• Low brake fluid
• Malfunction in the brake systemThis light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released, the system is operating normally.
Calmly perform the following actions if any of the warning lights turn
on or flash. If a light turns on or flashes, but then turns off, this does
not necessarily indicate a malfunction in the system.

5
When trouble arises
377
5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)
■
If the malfunction indicator lamp comes on while driving
First check the following:
● Is your vehicle low on gas? 
If it is, refuel the vehicle immediately.
● Is the fuel tank cap loose? 
If it is, tighten it securely.
The light will go off after taking several driving trips. 
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■ SRS warning light
This warning light system monitors the following:
● The airbag sensor assembly
● Front airbag sensors
● The curtain shield airbag sensors
● The side and curtain shield airbag sensor assemblies
● The driver’s seat position sensor
● Driver’s seat belt buckle switch
● The front passenger occupant classification ECU
● The pressure sensor
● The belt tension sensor
● “AIR BAG ON” and “AIR BA G OFF” indicator lights
● Front passenger’s seat belt buckle switch
● The inflators
● The warning light
● The interconnecting wiring and power sources

398 5-2. Steps to take in an emergency
AVALON_U_(L/O_0802)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■ To prevent battery discharge
● Turn off the headlights and the audio system while the “ENGINE START
STOP” switch or the engine is turned off.
● Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic, etc.
■ When the battery is removed or discharged
The following systems must be initialized.
● Power windows (
P. 66)
● Moon roof (
P. 70)
● Tire pressure warning system (
P. 324)
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately
five minutes to recharge the battery of your vehicle.
Vehicles with smart key system  Open and close any of
the doors with the “ENGINE START STOP” switch OFF.
Maintain the engine speed on the second vehicle and turn
the “ENGINE START STOP” switch or the engine switch to
the ON mode, then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Toyota
dealer as soon as possible.STEP2
STEP3
STEP4
STEP5

443
AVALON_U_(L/O_0802)
Alphabetical index
Alphabetical index
A/C ............................................ 178
ABS........................................... 163
Air conditioning systemAir conditioning filter ............. 337
Automatic air conditioning 
system................................ 178
Steering switches ................. 185
Airbags
Airbag operating conditions .... 85
Airbag precautions for your 
child...................................... 88
Airbag warning light .............. 371
Curtain shield airbag 
precautions .......................... 91
Front passenger occupant 
classification system ............ 93
General airbag precautions .... 88
Locations of airbags ............... 82
Modification and disposal of 
airbags ................................. 92
Side airbag precautions.......... 88
Side and curtain shield airbags 
operating conditions ............. 85
SRS airbags ........................... 82
Alarm .......................................... 77
Antenna .................................... 195
Anti-lock brake system ........... 163
Armrest .................................... 272
Ashtrays ................................... 267
Audio input .............................. 216
Audio system Antenna ................................ 195
Audio input ........................... 216
AUX adapter ......................... 216
CD player/changer ............... 198
MP3/WMA disc ..................... 206
Optimal use .......................... 214
Portable music player ........... 216
Radio .................................... 191
Steering switches ................. 217
Automatic headlight leveling 
system ................................... 143 Automatic light control

system ....................................143
Automatic transmission Automatic transmission .........129
If the shift lever cannot be 
shifted from P......................393
S mode ..................................131
AUX adapter .............................216
Back-up lights Wattage .................................413
Battery Checking ...............................318
If the vehicle battery is 
discharged ..........................397
Preparing and checking 
before winter .......................170
Bluetooth
®................................220
Brake Fluid ......................................315
Parking brake ........................134
Brake assist ..............................163
Break-in tips .............................115
Care Exterior ..................................288
Interior ...................................291
Seat belts ..............................292
Cargo capacity .........................166
CD player/changer ...................198
Center display ..........................141
Chains .......................................172
Child-protectors .........................41
Child restraint system Definition .................................99
Installation .............................102
Installing CRS with lower 
anchorages .........................107
Installing CRS with seat 
belts ....................................103
Installing CRS with top 
straps ..................................108
A
B
C

448 Alphabetical index
AVALON_U_(L/O_0802)
Spark plug ................................410
Specifications...........................406
Speedometer ............................ 135
Steering wheelAdjustment .............................. 61
Audio switches ......................217
Climate switches ...................185
Steering wheel memory .......... 50
Storage compartment ..............260
Storage feature.........................255
Stuck If your vehicle becomes 
stuck ...................................404
Sun visors.................................263
Switch Engine switch ................122, 126
Fog light switch ..................... 145
Ignition switch................122, 126
Light switches........................ 143
Power door lock switch ...........39
Power window switch ..............66
Window lock switch ................. 66
Wipers and washer switch ....146
Tail lights Replacing light bulbs ............. 356
Switch.................................... 143
Wattage .................................413
Theft deterrent system Alarm .......................................77
Engine immobilizer system .....75
Theft prevention labels..............79
Tire inflation pressure ............. 412
Tire information Glossary ................................422
Size ....................................... 419
Tire identification number ......418
Uniform Tire Quality 
Grading ............................... 420 Tires
Chains ................................... 172
Checking ............................... 322
If you have a flat tire.............. 382
Inflation pressure .................. 412
Information ............................ 417
Replacing .............................. 382
Rotating tires ......................... 322
Size ....................................... 412
Snow tires ............................. 173
Tire pressure warning 
system ........................ 323, 373
Tools ......................................... 382
Total load capacity .................. 169
Towing Dinghy towing ....................... 176
Trailer towing ........................ 175
TRAC ......................................... 163
Trip information ....................... 142
Trunk
Extending a space ................ 277
Opener .................................... 44
Wattage................................. 413
Turn signal lights Replacing light bulbs ............. 355
Switch ................................... 133
Wattage................................. 413
Valet key ..................................... 22
Vanity lights Vanity lights........................... 264
Wattage................................. 413
Vanity mirrors .......................... 264
Vehicle identification 
number ................................... 407
Vehicle load limits ................... 169
VSC ........................................... 163
T
V

449
Alphabetical index
AVALON_U_(L/O_0802)
Warning buzzers
Brake system........................ 370
Downshifting ......................... 132
Open door ........................... 372
Seat belt reminder ................ 373
Warning lights
Anti-lock brake system ......... 372
Automatic heading light 
leveling system .... .............. 372
Brake system........................ 370
Charging system .... .............. 371
Dynamic laser cruise control 
master warning light ........... 374
Low fuel level........................ 372
Malfunction indicator lamp.... 371
Open door ............................ 372
Seat belt reminder light ........ 373
SRS airbags ......................... 371
Tire pressure warning 
light .................................... 373
Vehicle stability control ......... 372
Washer
Checking .............................. 321
Preparing and checking 
before winter ...................... 170
Switch ................................... 146
Washing and waxing............... 288
Weight Cargo capacity ..................... 166
Load limits ............................ 169
Weight .................................. 406
Wheels...................................... 335
Window glasses ....................... 66
Window lock switch .................. 66
Windows Power windows ...................... 66
Rear window defogger ......... 187
Washer ................................. 146
Windshield wipers................... 146
Winter driving tips................... 170 Wireless remote control key
Locking/Unlocking ...................35
Replacing the battery ............340
WMA disc ..................................206W

451
What to do if...
AVALON_U_(L/O_0802)
The warning light or indicator
light comes onP. 370If the warning light turns on
■
Warning lights
or or
P. 3 7 0P. 371
P. 373
or
P. 3 7 2P. 373
P. 3 7 2P. 372, 373
P. 3 7 1P. 372
P. 3 7 2P. 371
P. 3 7 1P. 374
P. 3 7 2P. 373
P. 3 7 4
Brake system warning
lightMalfunction indicator
lamp
ABS warning lightDriver’s seat belt reminder 
light
Front passenger’s seat
belt reminder 
light
Low fuel level warning
lightTire pressure warning
light
Automatic headlight 
leveling system 
warning lightSRS warning light
Open door warning lightLow engine oil pressure
warning light
Charging system warn-
ing lightEngine oil replacement
reminder light
VSC warning lightLow washer fluid warning
light
Dynamic laser cruise
control master

warning