2012 TOYOTA COROLLA Smart key

370 4-3. Do-it-yourself maintenance
Push and hold the tire pressure
warning reset switch until the tire
pressure warning light blinks
slowly 3 times.
Vehicles with smart key system: Wait for a few minutes with
the IGNITION ON mode, and then turn the “ENGINE START
STOP” switch OFF.
Vehicles without smart key system: Wait for a few minutes
with the engine switch in the “O N” position, and then turn the
engine switch to the “LOCK” position.
Registering ID codes
The tire pressure warning valve and transmitter is equipped with a
unique ID code. When replacing a tire pressure warning valve and
transmitter, it is necessary to regi ster the ID code of tire pressure
warning valve and transmitter. Have the ID code registered by your
Toyota dealer.
STEP 4
STEP 5

383
4-3. Do-it-yourself maintenance
4
Maintenance and care
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air
conditioning efficiency.
■ Removal method
Vehicles with smart key system: Turn the “ENGINE START
STOP” switch OFF.
Vehicles without smart key system: Turn the engine switch
OFF.
Open the glove box. Slide off
the damper.
Push in each side of the glove
box to disconnect the claws.
Remove the filter cover.
STEP 1
STEP 2
STEP 3
STEP 4

385
4-3. Do-it-yourself maintenance
4
Maintenance and care
Key batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with a rag.)
● Small Phillips-hea d screwdriver
● Lithium battery
Vehicles with smart key system: CR1632
Vehicles without smart ke y system: CR2025 (Type A)
CR2016 (Type B)
■ Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.
STEP 1
STEP 2

386 4-3. Do-it-yourself maintenance
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
■Replacing the battery (vehicles without smart key system)
Remove the cover.
Remove the module.
STEP 3
STEP 1
STEP 2

388 4-3. Do-it-yourself maintenance
■If the key battery is discharged
The following symptoms may occur.
●The smart key system and wireless remote control will not function prop-
erly.
● The operational range is reduced.
■ Use the following types of lithium battery
Vehicles with smart key system: CR1632
Vehicles without smart key system: CR2025 (Type A), CR2016 (Type B)
●Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by your
Toyota dealer.
● Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other components inside the remote control.
● Do not bend either of the battery terminals.

389
4-3. Do-it-yourself maintenance
4
Maintenance and care
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 with smart key system: Turn the “ENGINE START
STOP” switch OFF.
Vehicles without smart key system: Turn the engine 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

394 4-3. Do-it-yourself maintenance
8 GLOW*80 A No circuit
9 P/I 50 A EFI MAIN, HORN, IG2
10 H-LP MAIN 50 A H-LP LH LO, H-LP RH LO, H-LP
LH HI, H-LP RH HI
11 EFI NO. 2 10 A Emission control system
12 EFI NO. 1 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
13 H-LP RH HI 10 A Right-hand headlight (high beam)
14 H-LP LH HI 10 A Left-hand headlight (high beam)
15 H-LP RH LO 10 A Right-hand headlight (low beam)
16 H-LP LH LO 10 A Left-hand headlight (low beam)
17 ETCS 10 A Electronic throttle control system
18 TURN-HAZ 10 A Turn signal lights, emergency
flashers
19 ALT-S 7.5 A Charging system
20 AM2 NO. 2 7.5 A Multiport fuel injection system/
sequential multiport fuel injection
system, starting system
21 AM2 30 A Starting system
22 STRG LOCK 20 A Steering lock system
23 IG2 NO. 2 7.5 A Starting system
24 ECU-B2 10 A Air conditioning system
25 ECU-B 10 A
Main body ECU, gauge and meters,
clock
26 RAD NO. 1 15 A Audio system
27 DOME 10 A Trunk light, smart key system, inte-
rior light
28 AMP* 30 A Audio system
FuseAmpereCircuit

5
When trouble arises
415
5-1. Essential information
■
Emergency towin g procedure
Release the parking brake.
Shift the shift lever to N. Vehicles with smart key system
Turn the “ENGINE START STOP” switch to ACCESSORY (engine
off) or IGNITION ON (engine running) mode.
Vehicles without smart key system
Turn the engine switch to the “ACC” (engine off) or “ON” (engine
running) position.
CAUTION
■ Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive
stress on the emergency towing eyelet and the cables or chains. Always
be cautious of the surroundings and other vehicles while towing.
● If the engine is not running, the power assist for the brakes and steering
will not function, making steering and braking more difficult.
STEP 1
STEP 2
STEP 3