check engine TOYOTA tC 2012 (in English) Owner's Guide

330
4-3. Do-it-yourself maintenance
Scion_tC_U_(OM21041U)
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Vehicles without a smart key system
Turn the engine switch off. 
Vehicles with a smart key system 
Turn the “ENGINE START STOP” switch off.
Open the fuse box cover.
Engine compartment Push the tab in and lift the lid
off.
Under the driver’s side instrument panel Remove the lid.STEP 1
STEP 2

5
When trouble arises
367
5-2. Steps to take in an emergency
Scion_tC_U_(OM21041U)
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door is not
fully closed. Check that all the doors are
closed.
Low fuel level warning
light Indicates remaining fuel is
approximately 2.2 gal.
(8.2 L, 1.8 Imp.gal.) or
less. Refuel the vehicle.
Seat belt reminder light
(warning buzzer)
*2
Warns the driver and/or
front passenger to fasten
their seat belts. Fasten the seat belt.
If the front passenger’s
seat is occupied, the front
passenger’s seat belt also
needs to be fastened to
make the warning light
(warning buzzer) off.
High engine coolant tem-
perature warning light Indicates that the engine is
almost overheating. P. 408
(Canada) Low windshield washer
fluid warning light
Indicates low level of
washer fluid. Fill the tank.

370 5-2. Steps to take in an emergency
Scion_tC_U_(OM21041U)
*2: Driver’s seat belt buzzer:The driver’s seat belt buzzer sounds to alert the driver that his or her seat
belt is not fastened. Once the engine switch is turned to the “ON” or
“START” position (vehicles without a smart key system), or the “ENGINE
START STOP” switch is turned to IGNITION ON mode (vehicles with a
smart key system), the buzzer sounds for 6 seconds. If the vehicle reaches
a speed of 12 mph (20 km/h), the buzzer sounds intermittently for 10 sec-
onds. Then, if the seat belt is still unfastened, the buzzer will sound in a dif-
ferent tone for 20 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passenger
that his or her seat belt is not fastened. The buzzer sounds intermittently for
10 seconds after the vehicle reaches a speed of 12 mph (20 km/h). Then, if
the seat belt is still unfastened, the buzzer will sound in a different tone for
20 more seconds.
*3: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual Supplement” for the maintenance interval applicable to your vehicle.
Follow the correction procedures. (Vehicles with a smart key
system)
After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Interior buzzerExterior buzzerWarning lightWarning light/DetailsCorrection procedure
Once (Remains
on for 8
seconds.) Smart key system warning
light
Indicates that the electronic
key is not present when
attempting to start the
engine. Confirm the
location of the
electronic
key.

376 5-2. Steps to take in an emergency
Scion_tC_U_(OM21041U)
■If the tire pressure warning light frequently comes on after blinking
for 1 minute (U.S.A. only)
If the tire pressure warning light frequently comes on after blinking for
1 minute when the engine switch is turned to the “ON” position (vehicles
without a smart key system), “ENGINE START STOP” switch is turned to
IGNITION ON mode (vehicles with a smart key system), have it checked
by your Scion dealer.
■Customization that can be configured at Scion dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features ( P. 444) However, Scion recommends that the
seat belt reminder buzzer be operational to alert the driver and front pas-
senger when seat belts are not fastened.

5
When trouble arises
391
5-2. Steps to take in an emergency
Scion_tC_U_(OM21041U)
CAUTION
■Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off
the jack, leading to death or serious injury.
●Do not use the tire jack for any pu
rpose other than replacing tires or
installing and removing tire chains.
●Only use the tire jack that comes wi th this vehicle for replacing a flat
tire. 
Do not use it on other vehicles, and do not use other tire jacks for
replacing tires on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not put any part of your body under the vehicle while it is supported
by the jack.
●Do not start or run the engine while your vehicle is supported by the
jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a heigh t greater than that required to
replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one
working on or near the vehicle may be injured.

408
5-2. Steps to take in an emergency
Scion_tC_U_(OM21041U)
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air condi-
tioning system.
Check to see if steam is coming out from under the hood.
If you see steam: 
Stop the engine. Carefully lift the hood after the steam
subsides and then restart the engine.
If you do not see steam: 
Leave the engine running and carefully lift the hood.
Check to see if the cooling fans are operating.
If the fans are operating: 
Wait until the high coolant temperature warning light
goes off and then stop the engine.
If the fans are not operating: 
Stop the engine immediately and call your Scion dealer.
After the engine has cooled
down sufficiently, check the
engine coolant level and
inspect the radiator core (radi-
ator) for any leaks.STEP 1
STEP 2
STEP 3
STEP 5 STEP 4

422 6-1. Specifications
Scion_tC_U_(OM21041U)
Electrical system
Automatic transaxle
*: The fluid capacity is a reference quantity. If replacement is necessary, con-tact your Scion dealer.
Battery
Open voltage* at
68 F (20 C): 12.6  12.8 V Fully charged

12.2  12.4 V Half charged 
11 . 8  12.0 V Discharged
(
*: Voltage checked 20 minutes after the
engine and all the lights turned off)
Charging rates 5 A max.
Fluid capacity*6.9 qt. (6.5 L, 5.7 Imp.qt.)
Fluid type Toyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using a transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of the transmission accompanied by
vibration and, ultimately, damage to the vehicle’s transmission.

467
Alphabetical index
Scion_tC_U_(OM21041U)
Electric power steering........... 211
Electronic key
If your electronic key does not 
operate properly ................. 400
Emergency, in case of If the back door opener is 
inoperative ........................... 64
If your electronic key does not 
operate properly ................. 400
If the engine will not start...... 395
If the shift lever cannot be 
shifted from P ..................... 398
If the vehicle has discharged 
battery ................................ 404
If the warning buzzer 
sounds ............................... 363
If the warning light turns on .. 363
If you have a flat tire ............ 380
If you lose your keys............. 399
If you think something is 
wrong ................................. 361
If your vehicle becomes 
stuck................................... 411
If your vehicle has to be 
stopped in an emergency... 413
If your vehicle needs to be 
towed ................................. 353
If your vehicle overheats ...... 408
Emergency flashers Switch ................................... 352
Engine
Compartment........................ 294
Engine switch ............... 163, 167
Hood ..................................... 290
How to start the engine ........................ 163, 167
Identification number ............ 417
If the engine will not start...... 395
Ignition switch ............... 163, 167
Overheating .......................... 408 Engine coolant
Capacity ................................421
Checking ...............................299
Preparing and checking 
before winter .......................222
Engine immobilizer system.....100
Engine oil
Capacity ................................419
Checking ...............................295
Preparing and checking 
before winter .......................222
Engine switch ...................163, 167
EPS ............................................211
Event data recorder ...................23
Floor mat...................................264
Fluid
Brake .....................................301
Washer ..................................308
Front passenger occupant 
classification system ............120
Front seats Adjustment ..............................68
Front side marker lights
Replacing light bulbs .............341
Wattage .................................426
Front turn signal lights
Replacing light bulbs .............341
Switch....................................185
Wattage .................................426
Fuel Capacity ................................418
Fuel gauge ............................188
Fuel pump shut off system ....362
Gas station information .........480
Information ............................427
Refueling .................................95
Type ......................................427
Fuel door.....................................95
Fuel filler door ............................95E
F

471
Alphabetical index
Scion_tC_U_(OM21041U)
Tachometer .............................. 188
Tail lights
Replacing light bulbs ............ 341
Switch ................................... 197
Wattage ................................ 426
Theft deterrent system
Engine immobilizer system... 100
Theft prevention labels ........... 103
Tire inflation pressure ............ 320
Tire information Glossary ............................... 437
Size ...................................... 433
Tire identification number ..... 432
Uniform tire quality 
grading ............................... 434
Tires Chains .................................. 222
Checking .............................. 310
If you have a flat tire ............. 380
Inflation pressure .................. 320
Inflation pressure sensor ...... 311
Information ........................... 430
Replacing ............................. 380
Rotating tires ........................ 310
Size ...................................... 425
Snow tires............................. 222
Spare tire .............................. 380
Tire pressure warning 
system................................ 310
Tools......................................... 380
Total load capacity .................. 221
Towing Dinghy towing ............... 229, 230
Emergency towing ................ 354
Trailer towing ........................ 228
TRAC ........................................ 211
Traction control ....................... 211
Trailer towing........................... 228
Trip meter................................. 188
Turn signal lights Replacing light bulbs ............ 341
Switch ................................... 185
Wattage ................................ 426 Valet key .....................................28
Vanity mirrors...........................257
Vehicle data recording ..............22
Vehicle identification

number ...................................416
Vehicle stability control...........211
VSC............................................211
Warning buzzers
Brake system ........................363
Open door .............................367
Seat belt reminder .................367
Warning lights Anti-lock brake system ..........365
Automatic transmission fluid 
temperature ........................366
Brake assist system ..............365
Brake system ........................363
Charging system .... ...............364
Electric power steering system 
warning light........................366
Electronic engine control 
system ................................365
High coolant temperature ......367
Low engine oil pressure ........364
Low fuel level ........................367
Low tire pressure...................369
Low washer fluid ...................367
Malfunction indicator lamp ....365
Open door .............................367
Pretensioners ........................365
Seat belt reminder light .........367
Smart key system... ...............370
SRS airbags ..........................365
Tire pressure warning light ....369
Washer
Checking ...............................308
Preparing and checking 
before winter .......................222
Switch....................................201
Washing and waxing ...............270TV
W