steering TOYOTA AYGO 2021 Service Manual

4227-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM9A012E
*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

4237-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM9A012E■
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

4247-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM9A012E
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

4297-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM9A012E■
Front turn signal lights
Turn the bulb base counter-
clockwise.
Remove the light bulb.
When installing, reverse the steps listed.
■Front fog lights (if equipped)
To allow enough working
space, turn the steering
wheel to the opposite side of
the bulb to be replaced.
Turn the steering wheel to the
left when replacing the right side
light bulb, and turn the steering
wheel to the right when replac-
ing the left side light bulb.
Remove the 2 screws.

4408-1. Essential information
AYGO_OM_Europe_OM9A012E
Stop the vehicle in a safe place by the road.
WARNING
■If the engine has to be turned off while driving
● Power assist for the brakes and steering wheel will be lost, making the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.
● Vehicles without a smart entry & start system: Never attempt to remove
the key, as doing so will lock the steering wheel.

4428-2. Steps to take in an emergency
AYGO_OM_Europe_OM9A012E
If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle
towed by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer or commercial towing service,
using a wheel-lift type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■ When towing the vehicle
■ While towing
● When towing using cables or chains, avoid sudden starts, etc., which
place excessive stress on the towing eyelets, cables or chains. The towing
eyelets, cables or chains may become damaged, broken debris may hit
people, and cause serious damage.
● Do not turn the engine switch to the “LOCK” position (vehicles without a
smart entry & start system) or off (vehicles with a smart entry & start sys-
tem).
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
■ Installing towing eyelets to the vehicle
Make sure that towing eyelets are installed securely.
If not securely installed, towing eyelets may come loose during towing.
Be sure to transport the vehicle with the
front wheels raised or with all four wheels
raised off the ground.
If the vehicle is towed with the front
wheels contacting the ground, the drive-
train and related parts may be damaged.

4438-2. Steps to take in an emergency
8
When trouble arises
AYGO_OM_Europe_OM9A012E
The following may indicate a problem with your transmission. Contact
any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer or commercial towing service before towing.
● The engine is running but the vehicle does not move.
● The vehicle makes an abnormal sound.
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type
truck
● Vehicles without a smart entry & start system: Do not tow the vehicle from
the rear when the engine switch is in the “LOCK” position or the key is
removed.
The steering lock mechanism is not strong enough to hold the front wheels
straight.
● Vehicles with a smart entry & start system: Do not tow the vehicle from the
rear when the engine switch is off. The steering lock mechanism is not
strong enough to hold the front wheels straight.
● When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
■ To prevent damage to the vehicle when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■ To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.
Situations when it is necessary to contact dealers before towing
Towing with a wheel-lift type truck
From the frontFrom the rear
Release the parking brake. Use a towing dolly under the
front wheels.

4448-2. Steps to take in an emergency
AYGO_OM_Europe_OM9A012E
When using a flat-bed truck to transport the vehicle, use tire strapping
belts. Refer to the owner's manual of the flat-bed truck for the tire
strapping method.
In order to suppress vehicle movement during transportation, set the
parking brake and turn the engine switch to the “LOCK” position (vehi-
cles without a smart entry & start system) or off (vehicles with a smart
entry & start system).
If a tow truck is not available in an emergency, your vehicle may be
temporarily towed using cables or chains secured to the emergency
towing eyelets. This should only be attempted on hard surfaced roads
for at most 80 km (50 miles) at under 30 km/h (18 mph).
A driver must be in the vehicle to steer and operate the brakes. The
vehicle’s wheels, drive train, axles, steering and brakes must be in
good condition.
NOTICE
■ Towing with a sling-type truck
Using a flatbed truck
Emergency towing
Do not tow with a sling-type truck to pre-
vent body damage.

4468-2. Steps to take in an emergency
AYGO_OM_Europe_OM9A012E
Securely attach a cables or chains to the towing eyelet.
Take care not to damage the vehicle body.
Vehicles without a smart entry & start system: Enter the vehicle
being towed and start the engine.
If the engine does not start, turn the engine switch to the “ON” position.
Vehicles with a smart entry & start system: Enter the vehicle being
towed and start the engine.
If the engine does not start, turn the engine switch to IGNITION ON mode.
Shift the shift lever to N and release the parking brake.
Vehicles with a multi-mode manual transmission: When the shift
lever cannot be shifted. ( P. 496)
■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.
■ Wheel bolt wrench
● Vehicles with a wheel bolt wrench: Wheel bolt wrench is installed in luggage
compartment. ( P. 461, 482)
● Vehicles without a wheel bolt wrench: Wheel bolt wrench can be purchased
at any authorized Toyota retailer or Toyota authorized repairer, or any reli-
able repairer.

4518-2. Steps to take in an emergency
8
When trouble arises
AYGO_OM_Europe_OM9A012E
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The emission control system; or
• The electronic multi-mode manual transmission control
system (if equipped).
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system.
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Warning lightWarning light/Details/Actions