2019 TOYOTA AYGO Owners Manual (in English)

3857-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM99R19E
■Use a CR2016 (vehicles without a smart entry & start system), or CR2032
(vehicles with a smart entry & start system) lithium battery
● Batteries can be purchased at any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer, 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 the local laws.
■ If the key battery is depleted
The following symptoms may occur:
● The smart entry & start system (if equipped) and wireless remote control will
not function properly.
● The operational range will be reduced.
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 electronic 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 component inside the remote control.
● Do not bend either of the battery terminals.

3867-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM99R19E
Checking and replacing fuses
Vehicles without a smart entry & start system:
Turn the engine switch to the “LOCK” position.
Vehicles with a smart entry & start system:
Turn the engine switch off.
After a system failure, see “Fuse layout and amperage ratings” for
details about which fuse to check. ( P. 388)
Open the fuse box cover.
Engine compartment
Push the tabs in and lift the
cover off.
Driver’s side 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.

3877-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM99R19E
Remove the fuse with the pull-
out tool.
Only type A fuse can be removed
using the pullout tool.
Check if the fuse is blown.
Normal fuse
Blown fuse
Type A, B and C:
Replace the blown fuse with a new fuse of an appropriate amperage rat-
ing.
Type D:
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
1
2
Ty pe AType B
Ty pe CType D

3887-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM99R19E
■Engine compartment
Fuse layout and amperage ratings
FuseAmpereCircuit
1H-LP RH-LO10Right-hand headlight (low beam)
2H-LP LH-LO10Left-hand headlight (low beam), manual
headlight leveling dial
3H-LP RH-HI7.5Right-hand headlight (high beam)
4H-LP LH-HI7.5Left-hand headlight (high beam), gauges
and meters
5A/C COMP7.5Air conditioning system
6IG2 NO.37.5
Multiport fuel injection system/sequential
multiport fuel injection system, stop
lights, high mounted stoplight
7DOME5Interior light, luggage compartment light
8HAZ10Turn signal lights, emergency flashers,
gauges and meters
9HORN10Horn
10D/C CUT30ECU-B NO.1, ECU-B NO.2, ECU-B NO.3

3897-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM99R19E
11ECU-B NO.4*17.5Multi-mode manual transmission
12AM2 NO.27.5Multiport fuel injection system/sequential
multiport fuel injection system
13AM2 NO.37.5Smart entry & start system
14ICS*27.5Charging system
15ST30Starting system
16STRG LOCK7.5Steering lock system
17H-LP-MAIN25H-LP RH-LO, H-LP LH-LO, H-LP RH-HI,
H-LP LH-HI
18WIPER-S*27.5Multiport fuel injection system/sequential
multiport fuel injection system
19STA7.5
Multiport fuel injection system/sequential
multiport fuel injection system, starting
system, multi-mode manual transmis-
sion, Stop & Start system
20ECU-B NO.315Audio system, smart entry & start system
21ECU-B NO.17.5Gauges and meters
22ECU-B NO.27.5Vehicle stability control system
23J/B60Instrument fuse box
24ALT125
DEF, S/HTR F/R, S/HTR F/L, CANVAS
TOP, ABS NO.1, ABS NO.2, RDI NO.1,
FOG FR, DRL
25AMT*150Multi-mode manual transmission
BBC*240Stop & Start system
FuseAmpereCircuit

3907-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM99R19E
*1: Vehicles with a multi-mode manual transmission
*2: Vehicles with a Stop & Start system
*3: Replace the fuse with one of the same ampere rating as the original
26EPS50Electric power steering system
27RDI NO.130*3
Electric cooling fan40*3
28ABS NO.150Anti-lock brake system, vehicle stability
control system
29SPARE10Spare fuse
30SPARE20Spare fuse
31SPARE30Spare fuse
32DEF20Rear window defogger, outside rear view
mirror defoggers
33ABS NO.230Anti-lock brake system, vehicle stability
control system
34FOG FR7.5Front fog lights, gauges and meters
35DRL7.5Daytime running lights
36S/HTR F/R15Seat heaters (right side)
37CANVAS TOP20Canvas top
38S/HTR F/L15Seat heaters (left side)
FuseAmpereCircuit

3917-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM99R19E
■Driver ’s side instrument panel
FuseAmpereCircuit
1IG1 NO.25
Back-up light, multiport fuel injection sys-
tem/sequential multiport fuel injection
system, audio system, vehicle stability
control system
2WASHER15Windshield washer, rear window washer
3ECU-IG NO.15
Main body ECU, gauges and meters, air
conditioning system, rear window defog-
ger, outside rear view mirror defoggers,
seat heaters, canvas top, audio system,
PCS system
4ECU-IG NO.25Electric power steering system, Stop &
Start system
5WIPER RR15Rear window wiper
6IG1 NO.15Electric cooling fan, anti-lock brake sys-
tem, vehicle stability control system
7WIPER25Windshield wiper
8MIR HTR10Outside rear view mirror defoggers
9P/OUTLET15Power outlet
10ECU-ACC7.5Outside rear view mirrors, audio system,
Stop & Start system, gauges and meters

3927-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM99R19E
11IG2 NO.25
Steering lock system, multiport fuel injec-
tion system/sequential multiport fuel
injection system, multi-mode manual
transmission
12A/BAG7.5SRS airbag system
13METER5Gauges and meters, Stop & Start system
14IG2 NO.115Multiport fuel injection system/sequential
multiport fuel injection system, stop lights
15EFI NO.17.5
Multiport fuel injection system/sequential
multiport fuel injection system, Stop &
Start system
16OBD7.5On-board diagnosis system
17STOP10
Stop lights, high mounted stoplight, multi-
port fuel injection system/sequential mul-
tiport fuel injection system, anti-lock
brake system, vehicle stability control
system, multi-mode manual transmis-
sion, smart entry & start system
18TA I L10
Position lights, license plate lights, rear
fog light, front fog lights, tail lights, switch
illumination, multiport fuel injection sys-
tem/sequential multiport fuel injection
system, gauges and meters, audio sys-
tem
19HTR40Air conditioning system
20AM140HTR, OBD, A/C, TAIL, FOG RR, STOP,
P/W, DOOR F/L, DOOR F/R
21AM2 NO.130EFI NO.2, EFI-MAIN, D/L
22EFI NO.27.5Multiport fuel injection system/sequential
multiport fuel injection system
23EFI-MAIN20
EFI NO.1, multiport fuel injection system/
sequential multiport fuel injection system,
fuel pump
24D/L25Main body ECU, door lock system
25P/W30Power windows
FuseAmpereCircuit