2014 TOYOTA AVALON HYBRID battery

3776-3. Do-it-yourself maintenance
6
Maintenance and care
AVALON_HV_U (OM41451U)
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Electronic key batter y
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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3786-3. Do-it-yourself maintenance
AVALON_HV_U (OM41451U)
■Use a CR2032 lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the electronic key battery is depleted
The following symptoms may occur:
●The smart key system and wireless remote control will not function properly.
● The operational range will be reduced.
CAUTION
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. 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 component inside the remote control.
● Do not bend either of the battery terminals.

3856-3. Do-it-yourself maintenance
6
Maintenance and care
AVALON_HV_U (OM41451U)■
Engine compartment (type B fuse box)
FuseAmpereCircuit
1 PM IGCT 7.5 A Hybrid system, electronic controlled
transmission
2 BATT VL SSR 10 A Hybrid system
3 INV 7.5 A Hybrid system
4 DC/DC IGCT 10 A Hybrid system
5 INV W/PMP RLY 7.5 A Hybrid system
6 BATT FAN 7.5 A Battery cooling fan
7 INV W/PMP 15 A Hybrid system
8 IGCT-MAIN 25 A DC/DC IGCT, INV, BATT VL SSR, PM
IGCT, INV W/PMP RLY, BATT FAN

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7When trouble arises
AVALON_HV_U (OM41451U)7-1. Essential information
Emergency flashers .......... 406
If your vehicle has to be stopped in an
emergency ...................... 407 7-2. Steps to take in an
emergency
If your vehicle needs to be towed ......................... 408
If you think something is wrong .............................. 411
If a warning light turns on or a warning buzzer
sounds ............................ 412
If a warning message is displayed......................... 422
If you have a flat tire.......... 423
If the hybrid system will not start ........................... 435
If the shift lever cannot be shifted from P............. 437
If the electronic key does not operate properly........ 438
If the 12-volt battery is discharged ...................... 440
If your vehicle overheats ........................ 444
If the vehicle becomes stuck ............................... 448

4177-2. Steps to take in an emergency
7
When trouble arises
AVALON_HV_U (OM41451U)
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front), side impact sensors (rear), driver’s seat
position sensor, driver’s seat belt buckle switch, front passenger occupant
classification system, “AIR BAG ON” indicator light, “AIR BAG OFF” indicator
light, front passenger’s seat belt buckle switch, seat belt pretensioners, air-
bags, interconnecting wiring and power sources. ( P. 38)
■ Front passenger detection sensor, seat belt reminder and warning
buzzer
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
■ If the malfunction indicator la mp comes on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■ Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient of the voltage tempo-
rarily drops, the electric power steering system warning light may come on
and the warning buzzer may sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressure warning reset switch will not turn off the tire pressure
warning light.

4197-2. Steps to take in an emergency
7
When trouble arises
AVALON_HV_U (OM41451U)■
If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the power switch is turn
ed to ON mode, have it checked by
your Toyota dealer.
■ Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an
audio sound.
CAUTION
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Toyota
dealer. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
■ Electric power steering warning light (warning buzzer)
When the 12-volt battery charge becomes in sufficient or the voltage tempo-
rarily drops, the electric power steering warning light may come on and the
warning buzzer may sound.
■ When the electric power steerin g system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavie r than usual when operating, hold
firmly and operate using more force than usual.
■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires.
If a tire is flat, change it with th e spare tire and have the flat tire
repaired by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

4357-2. Steps to take in an emergency
7
When trouble arises
AVALON_HV_U (OM41451U)
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. ( P. 439)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● There may be a malfunction in the immobilizer system. (P. 7 9 )
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 436)
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 440)
● The 12-volt battery terminal conn ections may be loose or corroded.
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on
the situation. Check the follo wing and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 183)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

4367-2. Steps to take in an emergency
AVALON_HV_U (OM41451U)
One of the following may be the cause of the problem:
●One or both of the 12-volt batter y terminals may be disconnected.
● The 12-volt battery may be discharged. ( P. 440)
Contact your Toyota dealer if the problem cannot be repaired, or if repair
procedures are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to st art the hybrid system if the power
switch is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer.
The interior lights and headlight s do not turn on, or the horn
does not sound.
Emergency start function
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