Page 262 of 368
262 4-3. Do-it-yourself maintenance
AYGO_WE_99E96EAdding engine oil
If the oil level is below or near the low level mark, add engine oil of
the same type as that already in the engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
Engine oil selectionP. 347
Oil quantity
(Low  Full)1.5 L (1.6 qt., 1.3 Imp.qt.)
Item Clean funnel 
         
        
        
     
        
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279
4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96E
Air conditioning filter
Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to
the “Toyota Service Booklet” or “Toyota Warranty Booklet”.)
If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.
The air conditioning filter must be changed regularly to maintain air
conditioning efficiency.
Replacement method
Turn the engine switch to the “LOCK” position.
Pull out the air conditioning fil-
ter as shown in the illustration.
Replace it with a new one. 
         
        
        
     
        
        Page 282 of 368
282
4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Instrument panel
If the following procedures seems difficult to perform, consult any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
Remove the meter cover
screws, by using a Phillips-
head screwdriver.
If the steering lock is engaged,
please disengage it. (P. 131) 
         
        
        
     
        
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285 4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96E
Fuse layout and amperage ratings
Engine compartment (top side)
FuseAmpereCircuit
1 DRL 5 A Daytime running lights
2 FOG FR 20 A Front fog lights
3 H-LP LH 10 A Left-hand headlights
4 H-LP RH 10 A Right-hand headlights
5STA 7.5 AMulti-mode manual transmission, 
multiport fuel injection system/
sequential multiport fuel injection 
system
6 EFI NO.2 7.5 AMultiport fuel injection system/
sequential multiport fuel injection 
system, multi-mode manual trans-
mission
7 MET 5 A Gauges and meters
8 SUB-LP 30 A DRL, FOG FR fuses
9ABS NO.2
*125 A Anti-lock brake system
VSC NO.2
*230 AAnti-lock brake system and vehicle 
stability control system 
         
        
        
     
        
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286 4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
*1: Vehicles without VSC system
*2: Vehicles with VSC system
*3: Replace the fuse with one of the same ampere rating as the original 10 AM2 30 AStarting system, IG1, IG2, STA 
fuses
11 HAZARD 10 ATurn signal lights, emergency 
flashers, gauges and meters
12 H-LP MAIN 20 A H-LP LH, H-LP RH fuses
13 DOME 15 AGauges and meters, interior light, 
audio system, tachometer
14 EFI 15 AElectric cooling fan, multiport fuel 
injection system/sequential multi-
port fuel injection system
15 HORN 10 A Horn
16 SPARE 7.5 A Spare fuse
17 SPARE 10 A Spare fuse
18 SPARE 15 A Spare fuse
19 AMT 50 A Multi-mode manual transmission
20 RADIATOR30 A
*3
Electric cooling fan
40 A*3
21ABS
*140 AAnti-lock brake system
VSC*250 AAnti-lock brake system and vehicle 
stability control system
22 EMPS 50 A Electric power steering system
FuseAmpereCircuit 
         
        
        
     
        
        Page 288 of 368
288 4-3. Do-it-yourself maintenance
AYGO_WE_99E96EInstrument panel (right side)
FuseAmpereCircuit
1STOP 10 A
Stop lights, high mounted stoplight, 
anti-lock brake system, multi-mode 
manual transmission
2 D/L 25 APower door lock system, wireless 
remote control system
3 DEF 20 A Rear window defogger
4TAIL 7.5 ADaytime running light system, tail 
lights, license plate lights, position 
lights, headlight beam level control 
system, instrument panel lights
5 OBD 7.5 A On-board diagnosis system
6ECU-B 7.5 AMulti-mode manual transmission, 
daytime running light system, vehi-
cle stability control system, gauges 
and meters, rear fog light 
         
        
        
     
        
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289 4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96EInstrument panel (left side)
FuseAmpereCircuit
1ECU-IG 7.5 A
Anti-lock brake system, vehicle sta-
bility control system, electric power 
steering system, electric cooling fan
2BACK UP 10 ABack-up lights, power door lock 
system, wireless remote control 
system, power windows, rear win-
dow defogger, tachometer, air con-
ditioning system, heater system
3 WIP 20 AWindshield wiper and washer, rear 
window wiper and washer
4 ACC 15 A Power outlet, audio system
5IG1 7.5 AWindshield wiper and washer, rear 
window wiper and washer, anti-lock 
brake system, electric power steer-
ing system, electric cooling fan, 
back-up lights, power door lock 
system, wireless remote control 
system, power windows, rear win-
dow defogger, tachometer, air con-
ditioning system, heater system
6IG2 15 AMultiport fuel injection system/
sequential multiport fuel injection 
system, SRS airbag system, 
gauges and meters, daytime run-
ning light system, multi-mode man-
ual transmission 
         
        
        
     
        
        Page 295 of 368
295 4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96EPartly remove the fender liner.
Unplug the connector while
depressing the lock release.
Turn the bulb base counterclock-
wise.
Replace the light bulb, and install
the bulb base.
Align the 3 tabs on the light bulb
with the mounting, and insert.