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570
RAV4_OM_OM42A78U_(U)
6-3. Do-it-yourself maintenance
Wireless remote control/electronic key
batter y
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2016 (vehicles without a smart key system), or
CR2032 (vehicles with a smart key system)
Vehicles without a smart key system
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the module.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
Page 571 of 732
RAV4_OM_OM42A78U_(U)
5716-3. Do-it-yourself maintenance
6
Maintenance and care
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the “+”
terminal facing up.
Vehicles with a smart key system
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.
3
1
2
3
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572
RAV4_OM_OM42A78U_(U)
6-3. Do-it-yourself maintenance
■Use a CR2016 (vehicles without a sm art key system), or CR2032 (vehi-
cles with a smart key system) 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 key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) 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.
Page 573 of 732
573
RAV4_OM_OM42A78U_(U)
6-3. Do-it-yourself maintenance
6
Maintenance and care
Checking and replacing fuses
Vehicles without a smart key system:
Turn the engine switch to the “LOCK” position.
Vehicles with a smart key system:
Turn the engine switch off.
After a system failure, see “Fuse layout and amperage ratings” for
details about which fuse to check. ( P. 576)
Open the fuse box cover or instrument panel.
Engine compartment
Push the tabs in and lift the
cover off.
Under the instrument panel
Remove the cover.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
1
2
3
Page 577 of 732

RAV4_OM_OM42A78U_(U)
5776-3. Do-it-yourself maintenance
6
Maintenance and care
11RDI FAN30Electric cooling fans
12ABS NO.150Vehicle stability control
13HTR50Air conditioning system
14H-LP-MAIN50H-LP RH-LO, H-LP LH-LO, H-LP RH-HI,
H-LP LH-HI, daytime running lights
15AMP30Audio system
16ST30Starting system
17EFI-MAIN NO.120
Multiport fuel injection system/sequential
multiport fuel injection system, EFI NO.1,
EFI NO.2
18IG215
METER, IGN, A/B, multiport fuel injection
system/sequential multiport fuel injection
system
19TURN & HAZ10Gauges and meters
20AM27.5IG2, starting system
21ECU-B NO.210
Air conditioning system ECU, gauges
and meters, front passenger occupant
classification system ECU, smart key
system
22STRG LOCK10Steering lock ECU
23D/C CUT30DOME, ECU-B NO.1, RADIO
24HORN10Horn
25ETCS10Multiport fuel injection system/sequential
multiport fuel injection system
26EFI-MAIN NO.220Air flow sensor, fuel pump, rear O2 sen-
sor
27ALT-S/ICS7.5Electric current sensor
28EPS80Electric power steering
29ALT120
ABS NO.1, ABS NO.2, PTC HTR NO.1,
PTC HTR NO.2, DEICER, HTR, RDI
FAN, CDS FAN, FOG FR, DEF
30MIR HTR10
Outside rear view mirror defoggers, mul-
tiport fuel injection system/sequential
multiport fuel injection system
FuseAmpereCircuit
Page 578 of 732
578
RAV4_OM_OM42A78U_(U)
6-3. Do-it-yourself maintenance
31WIPER-S5Windshield wiper switch, electric current
sensor
32H-LP LH-LO10Left-hand headlight (low beam)
33H-LP RH-LO10Right-hand headlight (low beam)
34EFI NO.110Air flow meter, purge control VSV, ACIS
VSV
35EFI NO.210
Multiport fuel injection system/sequential
multiport fuel injection system, key off
pump module
36H-LP LH-HI10Left-hand headlight (high beam), head-
light high beam indicator
37H-LP RH-HI10Right-hand headlight (high beam)
38SPARE10Spare fuse
39SPARE20Spare fuse
40SPARE30Spare fuse
FuseAmpereCircuit
Page 580 of 732

580
RAV4_OM_OM42A78U_(U)
6-3. Do-it-yourself maintenance
18ACC7.5
Power outlets, audio system, outside rear
view mirrors, main body ECU, clock,
electric current sensor
19PA N E L7.5
VSC OFF switch, instrument cluster (indi-
cators and warning lights), BSM main
switch, all-wheel drive lock switch, wind-
shield wiper de-icer switch, multiport fuel
injection system/sequential multiport fuel
injection system, intuitive parking assist
ECU, seat heater switches, power out-
lets, power back door switches, air condi-
tioning system switches, rear window
defogger switch, audio system, cup
holder light, steering switches, driver
module switch
20TA I L10Parking lights, tail lights, license plate
lights, side marker lights, fog lights
21EPS-IG5Electric power steering
22ECU-IG NO.110
Dynamic Torque Control AWD system
ECU, steering sensor, instrument cluster
(indicators and warning lights), shift con-
trol switch
23ECU-IG NO.25
Main body ECU, wireless remote control,
shift lock system ECU, smart key system,
moon roof ECU, audio system, power
back door ECU, tire pressure warning
system, LDA system, Blind Spot Monitor
system
24HTR-IG7.5
Air conditioning system ECU, air condi-
tioning system switches, rear window
defogger switch
25S-HTR LH10Left-hand seat heater
26S-HTR RH10Right-hand seat heater
27IGN7.5
Fuel pump, multiport fuel injection sys-
tem/sequential multiport fuel injection
system, stop lights, steering lock system
ECU
FuseAmpereCircuit
Page 599 of 732
599
RAV4_OM_OM42A78U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers .......... 600
If your vehicle has to be stopped in an
emergency ...................... 601
7-2. Steps to take in an emergency If your vehicle needs to be towed ..................... 603
If you think something is wrong ......... 609
Fuel pump shut off system ............................ 610
If a warning light turns on or a warning buzzer
sounds ............................ 611
If you have a flat tire.......... 627
If the engine will not start ..................... 643
If the shift lever cannot be shifted from P............. 645
If the electronic key does not operate properly
(vehicles with a
smart key system) ........... 646
If the vehicle battery is discharged ................... 649
If your vehicle overheats ... 653
If the vehicle becomes stuck ............................... 656