2012 TOYOTA AYGO brake light

289 4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96EInstrument panel (left side)
FuseAmpereCircuit
1ECU-IG 7.5 A
Anti-lock brake system, vehicle sta-
bility control system, electric power
steering system, electric cooling fan
2BACK UP 10 ABack-up lights, power door lock
system, wireless remote control
system, power windows, rear win-
dow defogger, tachometer, air con-
ditioning system, heater system
3 WIP 20 AWindshield wiper and washer, rear
window wiper and washer
4 ACC 15 A Power outlet, audio system
5IG1 7.5 AWindshield wiper and washer, rear
window wiper and washer, anti-lock
brake system, electric power steer-
ing system, electric cooling fan,
back-up lights, power door lock
system, wireless remote control
system, power windows, rear win-
dow defogger, tachometer, air con-
ditioning system, heater system
6IG2 15 AMultiport fuel injection system/
sequential multiport fuel injection
system, SRS airbag system,
gauges and meters, daytime run-
ning light system, multi-mode man-
ual transmission

310
5-1. Essential information
AYGO_WE_99E96E
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional as
soon as possible.
Visible symptoms
Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
Flat-looking tires or uneven tire wear
High engine coolant temperature warning light comes on
“STOP” indicator flashes
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the engine
Operational symptoms
Engine misses, stumbling or running roughly
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle pulls heavily to one side when driving on a level road
Loss of brake effectiveness, spongy feeling, pedal almost
touches the floor

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AYGO_WE_99E96E
5-2. Steps to take in an emergency
If a war ning light tur ns on or a warning 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 any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
Warning lightWarning light/Details
Brake system warning light
• Low brake fluid
• Malfunction in the brake system
This 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
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to occur, have the vehicle inspected by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.

5
315 5-2. Steps to take in an emergency
When trouble arises
AYGO_WE_99E96E
Have the vehicle inspected immediately.
Failure to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional immedi-
ately.
To prevent the clutch from overheating
Do not use the accelerator pedal or starting assist system to hold the
vehicle on a hill.
On an uphill incline, observe the following whenever possible:
• Maintain a safe distance from the vehicle ahead and avoid unneces-
sary starting off and stopping.
• Avoid using E mode on an uphill slope. This will help to avoid unneces-
sary gear changes.
Warning lightWarning light/Details
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic multi-mode manual transmission control
system (if equipped); or
• The emission control system.
(Flashes)SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system.
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system (vehicles with VSC system).
Electric power steering warning light (if equipped)
Indicates a malfunction in the EPS system.

358
AYGO_WE_99E96E
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
A/C Air Conditioning
ABS Anti-lock Brake System
ACC Accessory
CRS Child Restraint System
ECU Electronic Control Unit
ELR Emergency Locking Retractor
EPS Electric Power Steering
GVM Gross Vehicle Mass
LED Light Emitting Diode
MPAC Maximum Permissible Axle Capacity
SRS Supplemental Restraint System
TRC Traction Control
TWI Treadwear Indicators
VIN Vehicle Identification Number
VSC Vehicle Stability Control

359
AYGO_WE_99E96E
Alphabetical index
Alphabetical index
A/C............................................. 170
ABS ........................................... 158
Air conditioning filter .............. 279
Air conditioning system
Air conditioning filter.............. 279
Manual air conditioning
system ................................ 170
Airbags
Airbag manual on-off
system .................................. 93
Airbag operating
conditions ............................. 84
Airbag precautions for
your child .............................. 88
Airbag warning light .............. 315
Curtain shield airbag
operating conditions ............. 85
Curtain shield airbag
precautions ........................... 88
General airbag precautions..... 88
Locations of airbags ................ 82
Modification and disposal of
airbags .................................. 92
Proper driving posture....... 80, 88
Side airbag operating
conditions ............................. 85
Side airbag precautions .......... 88
SRS airbags ............................ 82
Antenna ............ 184, 199, 242, 244
Anti-lock brake system ........... 158
Audio input ............... 193, 206, 212Audio system
Antenna ........ 184, 199, 242, 244
Audio input ............ 193, 206, 212
AUX port ............................... 193
Bluetooth
® audio................... 213
CD player ...................... 185, 200
Configuration ........................ 223
Frequently asked
questions ............................ 225
iPod....................................... 206
MP3/WMA disc ..................... 200
Optimal use........................... 191
Portable music
player.................. 193, 206, 212
Radio ............................ 181, 196
Setting................................... 221
Type .............................. 179, 194
USB memory ........................ 206
AUX port ........................... 193, 212
Back door ................................... 48
Back-up lights
Replacing light bulbs............. 292
Wattage ................................ 354
Battery
Checking ............................... 266
If the vehicle battery is
discharged .......................... 332
Preparing and checking
before winter....................... 163
Bluetooth
® audio ..................... 213
Bluetooth® phone .................... 214
Brake
Parking brake........................ 141
Brake assist ............................. 158
Break-in tips ............................. 121
A
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362 Alphabetical index
AYGO_WE_99E96E
Identification
Engine ................................... 345
Vehicle .................................. 344
Ignition switch.......................... 130
Indicator lights ......................... 145
Inside rear view mirror .............. 64
Interior light
Interior light ........................... 229
Switch ................................... 229
Wattage................................. 354
iPod ........................................... 206
Jack
Positioning a floor jack .......... 257
Vehicle-equipped
jack ..................................... 318
Jack handle .............................. 318
Keys
Engine switch ........................ 130
If you lose your keys ............. 331
Ignition switch ....................... 130
Key number............................. 34
Keys ........................................ 34
Wireless remote control key.... 36
License plate lights
Replacing light bulbs ............. 292
Wattage................................. 354
Light bulbs
Replacing .............................. 292
Wattage................................. 354
Lights
Emergency flasher switch ..... 304
Fog light switch ..................... 152
Hazard light switch ................ 304
Headlights switch .................. 148
Interior light switch ................ 229
Replacing light bulbs ............. 292
Turn signal lever ................... 140
Wattage................................. 354Lock steering column ............. 131
Maintenance
Do-it-yourself maintenance ... 251
Maintenance data ................. 344
Maintenance requirements ... 248
Manual air conditioning
system .................................... 170
Manual headlight leveling
dial .......................................... 149
Manual transmission ............... 138
Meter ......................................... 143
Mirrors
Inside rear view mirror ............ 64
Side mirrors ............................ 65
Vanity mirrors........................ 233
MP3 disc ................................... 200
Multi-mode manual
transmission .......................... 133
Odometer.................................. 143
Oil
Engine oil .............................. 261
Opener
Back door................................ 48
Hood ..................................... 254
Outside rear view mirrors
Adjusting and folding .............. 65
Overheating, Engine................ 336
Parking brake ........................... 141
Power outlets ........................... 237
Power windows.......................... 66I
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M
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364 Alphabetical index
AYGO_WE_99E96E
Sun visors ................................ 232
Switch
Airbag manual on-off
switch.................................... 93
Emergency flasher switch ..... 304
Engine switch ........................ 130
Fog light switch ..................... 152
Hazard light switch ................ 304
Ignition switch ....................... 130
Light switches ....................... 148
Power window switch .............. 66
Wiper and washer ......... 154, 156
Tachometer .............................. 143
Tail lights
Replacing light bulbs ............. 292
Switch ................................... 148
Wattage................................. 354
Theft deterrent system
Engine immobilizer system ..... 73
Tire inflation pressure ............. 275
Tires
Chains ................................... 163
Checking ............................... 272
If you have a flat tire.............. 318
Inflation pressure .................. 275
Replacing .............................. 318
Rotating tires ......................... 272
Size ....................................... 353
Snow tires ............................. 163
Spare tire .............................. 318
Tools ......................................... 318
Total load capacity .................. 344
Towing
Emergency towing ................ 305
Trailer towing ........................ 167
Traction control ....................... 158
TRC ........................................... 158
Trip meter ................................. 143Turn signal lights
Replacing light bulbs............. 292
Switch ................................... 140
Wattage ................................ 354
USB memory ............................ 206
Vanity mirrors .......................... 233
Vehicle identification
number ................................... 344
Vehicle stability control .......... 158
VSC ........................................... 158
Warning buzzers
Electric power steering
system ................................ 315
Light reminder ....................... 151
Low fuel level ........................ 316
Multi-mode manual
transmission ....................... 313
Seat belt reminder ................ 316
Warning lights
Anti-lock brake system.......... 315
Brake assist system .............. 315
Brake system ........................ 312
Charging system ................... 313
Electric power steering
system ................................ 315
Electronic engine control
system ................................ 315
Engine oil pressure ............... 313
High engine coolant
temperature warning light ... 313
Low fuel level ........................ 316
Malfunction indicator lamp .... 315
Multi-mode manual
transmission ....................... 313
Pretensioners........................ 315
Seat belt reminder light ......... 316
SRS airbags.......................... 315
“STOP” warning light ............ 313
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