2015 Lexus GS300h fuse

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GS450h_300h_OM_OM30F00E_(EE)
6-3. Do-it-yourself maintenanceDo-it-yourself service precautions ................................. 415
Hood .................................................417
Positioning a floor jack .............. 418
Engine compartment................. 419
12-volt battery..............................428
Tires ..................................................432
Tire inflation pressure................ 445
Wheels............................................ 447
Air conditioning filter................ 449
Electronic key battery ............... 451
Checking and replacing fuses ..............................................453
Light bulbs .....................................458
7-1. Essential information Emergency flashers...................468
If your vehicle has to be stopped in an
emergency ................................. 469 7-2. Steps to take in an emergency
If your vehicle needs to be towed ................................ 470
If you think something is wrong ....................................... 475
If a warning light turns on or a warning buzzer
sounds...........................................476
If a warning message is displayed.................................482
If you have a flat tire (vehicles with spare tire)........................... 517
If you have a flat tire (vehicles without spare tire) ...................528
If the hybrid system will not start................................543
If the shift lever cannot be shifted from P ............................545
If the parking brake cannot be released .................546
If the electronic key does not operate properly .................... 548
If the 12-volt battery is discharged .................................. 551
If your vehicle overheats .........556
If the vehicle becomes stuck..............................................563
7When trouble arises

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6Maintenance and care
GS450h_300h_OM_OM30F00E_(EE)
6-1. Maintenance and careCleaning and protecting the vehicle exterior.................406
Cleaning and protecting the vehicle interior................... 410
6-2. Maintenance Maintenance requirements...............................413
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................. 415
Hood ................................................. 417
Positioning a floor jack .............. 418
Engine compartment ................ 419
12-volt battery ............................. 428
Tires.................................................. 432
Tire inflation pressure ............... 445
Wheels ............................................447
Air conditioning filter ............... 449
Electronic key battery ................451
Checking and replacing fuses.............................................. 453
Light bulbs..................................... 458

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6-3. Do-it-yourself maintenance
Maintenance and care
GS450h_300h_OM_OM30F00E_(EE)
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct proce-
dure as given in these sections.
ItemsParts and tools
12-volt battery
condition
(
→ P. 4 2 8 ) •Grease
• Conventional wrench (for terminal clamp bolts)
Engine/power
control unit coolant
level (
→P. 4 2 5 ) •“
To y o t a Super Long Life Coolant” or a similar high quality
ethylene glycol-based non-silicate, non-amine, non-nitrite
and non-borate coolant with long-life hybrid organic acid
technology
“Toyota Super Long Life Coolant” is pre-mixed with 50%
coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( → P. 4 2 2 )• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( →P. 4 5 3 )• Fuse with same amperage rating as original
Light bulbs
(→ P. 4 5 8 )• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead screwdriver
•Wrench
Radiator and
condenser
(→ P. 4 2 7 )
Tire inflation
pressure ( →P. 4 4 5 )• Tire pressure gauge• Compressed air source
Wa s h e r f l u i d
(→ P. 4 2 7 )• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)

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6-3. Do-it-yourself maintenance
Maintenance and care
GS450h_300h_OM_OM30F00E_(EE)
Engine compartment
XGS450h
■12-volt battery
→
P. 4 2 8
Engine oil level dipstick
(→ P. 422)
Engine coolant reservoir (→ P. 4 2 5 )
Engine oil filler cap ( →P. 4 2 3 )
Power control unit coolant
reservoir ( →P. 4 2 5 ) Fuse box (
→P. 4 5 3 )
Wa s h e r f l u i d t a n k ( →P. 4 2 7 )
Electric cooling fans
Condenser ( →P. 4 2 7 )
Radiator ( →P. 4 2 7 )1
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4206-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30F00E_(EE)
XGS300h
■12-volt battery
→P. 4 2 8
Power control unit coolant
reservoir ( →P. 4 2 5 )
Engine oil level dipstick (→ P. 422)
Engine oil filler cap ( →P. 4 2 3 )
Engine coolant reservoir (→ P. 4 2 5 ) Fuse box (
→P. 4 5 3 )
Wa s h e r f l u i d t a n k ( →P. 4 2 7 )
Electric cooling fans
Condenser ( →P. 4 2 7 )
Radiator ( →P. 4 2 7 )1
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5
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6-3. Do-it-yourself maintenance
Maintenance and care
GS450h_300h_OM_OM30F00E_(EE)
Checking and replacing fuses
Turn the power switch off.
Open the fuse box cover.
XEngine compartment:
Remove the engine compartment
cover ( →P. 421) and remove all of the
clips.
Push the tabs on either side to detach
the lock and lift the lid off while pulling
the lock plate.
When installing the lid, check that the
lock plate and the tabs on either side are
connected correctly.
If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and replace the fuses as necessary.
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455 6-3. Do-it-yourself maintenance
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Maintenance and care
GS450h_300h_OM_OM30F00E_(EE)
XTr u n k
Push the tab in and lift the lid off.
Remove the lid.
XThe upper part of the 12-volt battery
Pull the strap upwards to lift up the 12-
volt battery cover.
When one or more of the fuses in this
unit are blown, the unit needs to be
replaced as a whole.
Remove the fuse with the pullout
tool.
Only type A fuse can be removed using
the pullout tool.
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4566-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30F00E_(EE)
Check if the fuse is blown.Normal fuse
Blown fuse
Ty p e A a n d 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.
Type C and D:
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
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XTy p e AXTy p e B
XTy p e CXTy p e D