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6-3. Do-it-yourself maintenance
Engine oil level (P. 6 8 4 )
• “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 7 2 1 )• Fuse with same amperage rating as
original
Light bulbs ( P. 7 3 3 )
• Bulb with same number and wattage
rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Radiator and condenser ( P. 6 9 1 )
Tire inflation pressure ( P. 7 1 2 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d ( P. 6 9 7 )
• Water or washer fluid containing anti-
freeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsPa r t s a n d t o o l s
Page 682 of 917
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6-3. Do-it-yourself maintenance
6
Maintenance and care
Engine compartment
Gasoline vehicles (2GR-FE engine)
Washer fluid tank (P. 6 9 7 )
Engine oil filler cap (P. 686)
Engine oil level dipstick (P. 684)
Engine coolant reservoir (P. 689) Brake fluid reservoir
(P. 6 9 2 )
Fuse box ( P. 7 2 1 )
12-volt battery ( P. 693)
Electric cooling fans
Condenser ( P. 6 9 1 )
Radiator ( P. 6 9 1 )1
2
3
4
5
6
7
8
9
10
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6-3. Do-it-yourself maintenance
Hybrid vehicles (2AR-FXE engine)
■12-volt battery (hybrid vehicles)
P. 6 9 8
Washer fluid tank ( P. 6 9 7 )
Fuse boxes ( P. 721)
Power control unit coolant
reservoir ( P. 689)
Engine oil level dipstick (P. 684)
Engine oil filler cap (P. 686) Engine coolant reservoir
(P. 689)
Brake fluid reservoir (P. 6 9 2 )
Power control unit coolant
radiator ( P. 6 9 1 )
Electric cooling fans
Condenser ( P. 6 9 1 )
Engine coolant radiator ( P. 6 9 1 )1
2
3
4
5
6
7
8
9
10
11
Page 722 of 917
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6-3. Do-it-yourself maintenance
6
Maintenance and care
Checking and replacing fuses
Turn the “START STOP ENGINE” <“POWER”> switch off.
After a system failure, see “Fuse layout and amperage ratings” for
details about which fuse to check. ( P. 7 2 4 )
Open the Fuse box cover.
Engine compartment (type A fuse box)
Push the tab in and lift the lid off.
Engine compartment (type B fuse box) (hybrid vehicles only)
Push the tab in and lift the lid off.
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
1
2
3
Page 723 of 917
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6-3. Do-it-yourself maintenance
Driver’s side instrument panel
Remove the lid.
Remove the fuse with the pullout
tool.
Only type A fuse can be removed
using the pullout tool.
4
Page 724 of 917
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7236-3. Do-it-yourself maintenance
6
Maintenance and care
Check if the fuse is blown.Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Ty p e C :
Contact your Lexus dealer.
5
1
2
Ty p e AType B
Ty p e C
Page 725 of 917
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6-3. Do-it-yourself maintenance
■Engine compartment (type A fuse box)
●Fuse block
●Fuse block on the back of the cover
Fuse layout and amperage ratings
Page 726 of 917
ES350_300h_OM_OM33A60U_(U)
7256-3. Do-it-yourself maintenance
6
Maintenance and care
FuseAmpereCircuit
1WIP-S5Driver support system, windshield wipers
2FA N50Electric cooling fan
3H-LP CLN30No circuit
4ENG W/PMP*130Cooling system
5PTC HTR NO.250PTC heater
6PTC HTR NO.150PTC heater
7HTR50Air conditioning system
8ALT*2140Charging system
DC/DC*1120Hybrid system
9ABS NO.2*230VSC, ABS
10ST/AM2*230Starting system
ABS NO.1*130VSC, ABS
11H-LP-MAIN30H-LP RH-LO, H-LP LH-LO
12ABS MTR NO.2*150VSC, ABS
13ABS NO.1*250VSC, ABS
ABS MTR NO.1*150VSC, ABS
14R/B NO.2*150IGCT MAIN, INV W/PMP
15EPS80Electric power steering
16S-HORN7. 5S-HORN
17DEICER15Windshield wiper de-icer
18HORN10Horn
19TV15
Multi-information display, audio display,
Remote Touch, audio system, gauges and
meters
20AMP NO.230Audio system
21EFI NO.215
Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission