battery TOYOTA VERSO 2017 Service Manual

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Maintenance and care
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■ Before recharging
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, before recharging:
● If recharging with the battery installed on the vehicle, be sure to discon-
nect the ground cable.
● Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the battery.
■ After recharging the battery (vehicles with smart entry & start system)
The engine may not start. Follow the procedure below to initialize the sys-
tem.
Shift the shift lever to “P” (Multidrive) or depress the brake pedal
with the shift lever in “N” (manual transmission).
Open and close any of the doors.
Restart the engine.
WARNING
■ Chemicals in the battery
A battery contains poisonous and corrosive sulphuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following precautions while working on or near bat-
tery:
● Do not cause sparks by touching the battery terminals with tools.
● Do not smoke or light a match near the battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the battery.
● Keep children away from the battery.

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WARNING
■ Where to safely charge the battery
Always charge the battery in an open area. Do not charge the battery in a
garage or closed room w here there is not sufficient ventilation.
■ How to recharge the battery (batteries without vent plugs)
Only perform a slow charge (5 A or less). The battery may explode if
charged at a quicker rate.
■ Emergency measures regarding electrolyte
● If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immedi-
ate medical attention. If possible, continue to apply water with a sponge or
cloth while traveling to the nearest medical facility.
● If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
● If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
● If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.
NOTICE
■ When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
■ When adding distilled water (batteries with vent plugs)
Avoid overfilling. Water spilled during battery recharging may cause corro-
sion.

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Maintenance and care
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Key battery
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 rag.)
● Small Phillips-head screwdriver
● Lithium battery
Vehicles without smart entry & start system: CR2016
Vehicles with smart entry & start system: CR1632
■ Replacing the battery (vehicles without smart entry & start
system)
Lift the cover.
Insert the screw driver in the
slot and push down.
Remove the cover.
Insert the screw driver in the
bottom of the key and push
down.

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Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
■ Replacing the battery (vehicles with smart entry & start sys-
tem)
Take out the mechanical key.
Remove the cover.
STS43AKE21

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Maintenance and care
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■ If the key battery is discharged
The following symptoms may occur.
● The smart entry & start system (if equipped) and wireless remote control
will not function properly.
● The operational range is reduced.
■ Use the following types of lithium battery
Vehicles without smart entry & start system: CR2016
Vehicles with smart entry & start system: CR1632
● Batteries can be purchased at any authorized Toyota dealer or repairer,
or another duly qualified and equipped professional, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
● Dispose of used batteries according to local laws.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.

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WARNING
■ 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.
■ Certification for the key battery
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN
INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO
THE INSTRUCTIONS
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 the battery terminals.

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16 SPARE 10 A Spare fuse
17 SPARE 30 A Spare fuse
18 SPARE 20 A Spare fuse
19 EFI MAIN
NO.2*17.5 A
Multiport fuel injection system/
sequential multiport fuel injection
system
20 ECU-B2 10 A
Smart entry & start system, air con-
ditioning system, power windows,
gateway ECU
21 D.C.C SHORT No circuit
22 ECU-B 10 A
Gauges and meters, sub-battery,
steering sensor, double locking
system, wireless remote control,
smart entry & start system
23 RAD NO.1*220 A Audio system
24 DOME 10 A
Luggage compartment light, vanity
lights, front door courtesy lights,
personal/interior lights, foot lights
25 AM2 NO.2 7.5 A Starting system
26 TURN-HAZ 10 A Turn signal lights, emergency
flashers
27 ETCS*210 A Electronic throttle control system
28 AM2 30 A Starting system
29 STRG LOCK 20 A Steering lock system
30 IGT/INJ*215 A
Multiport fuel injection system/
sequential multiport fuel injection
system
FuseAmpereCircuit

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9 RR FOG 7.5 A Rear fog light
10 IGN 7.5 A
Steering lock system, SRS airbag
system, multiport fuel injection sys-
tem/sequential multiport fuel injec-
tion system, starting system,
gateway ECU
11 M E T E R 7 . 5 A Gauges and meters, Stop & Start
system*1
12 SEAT HTR 15 A Seat heaters
13 HTR-IG 10 A Air conditioning system, power
heater
14 WIPER 25 A Windshield wipers, rain-sensing
windshield wipers
15 RR WIPER 15 A Rear window wiper
16 WASHER 15 A Windshield washers, rear window
washer
17 ECU-IG NO.1 10 A
Main body ECU*2, electric cooling
fan(s), shift lock system, anti-lock
brake system, steering sensor, yaw
rate sensor, VSC+, headlight
cleaners, SEQUENTIAL switch,
automatic headlight leveling sys-
tem, electric power steering, tire
pressure warning system
18 ECU-IG NO.2 10 A
Back-up light, charging system*2,
emergency flashers, rear window
defogger, “PASSENGER AIRBAG”
indicator, air conditioning system,
Toyota parking assist-sensor indi-
cator, Toyota parking assist-sensor
switch, sub-battery
FuseAmpereCircuit

5When trouble arises
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5-1. Essential information
Emergency flashers .......... 532
If your vehicle needs to
be towed ......................... 533
If you think something is
wrong .............................. 540
Fuel pump shut off system
(gasoline engine) ............ 541
5-2. Steps to take in an
emergency
If a warning light turns on
or a warning buzzer
sounds... ........................ 542
If a warning message is
displayed ........................ 551
If you have a flat tire
(vehicles with
spare tire) ....................... 566
If you have a flat tire
(vehicles with emergency
tire puncture repair kit).... 583
If the engine will not
start................................. 600
If the shift lever cannot be
shifted from “P” (vehicles
with a Multidrive)............. 603
If you lose your keys ......... 604
If you cannot operate
the back door opener...... 605
If the electronic key does
not operate properly
(vehicles with smart
entry & start system)....... 606
If the vehicle battery is
discharged ...................... 609
If your vehicle overheats ... 613
If the vehicle becomes
stuck ............................... 617
If your vehicle has to
be stopped in
an emergency ................. 619

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5-1. Essential information
Emergency flashers
■Emergency flashers
If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will
flash.
To turn them off, press the
switch once again.