maintenance Lexus ES300h 2017 Repair Manual

483
ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
7
Maintenance and care
Checking and replacing fuses
Tu r n t h e p o w e r s w i t c h o f f .
Open the Fuse box cover.
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
XEngine compartment (right side)XEngine compartment (left side)
Push the tab in and lift the lid off. Push the tab in and lift the lid off.
XDriver’s side instrument panel
Remove the lid.

484
ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
Remove the fuse with the pullout
tool.
Only type A fuse can be removed using
the pullout tool.
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.
3
4
1
2
XTy p e AXTy p e B
XTy p e C

ES300h_OM_OM33C75U_(U)
4857-3. Do-it-yourself maintenance
7
Maintenance and care
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. (→P. 4 8 6 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protec ting the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine Lexus products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, non-gen-
uine parts or parts not designed for this vehicle may be unusable.
WA R N I N G
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than that indicated, or use any other
object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus dealer as
soon as possible.

486
ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
Light bulbs
Check the wattage of the light bulb to be replaced. (
→P. 5 4 8 )
→ P. 4 5 2
■Front
Front side marker light
Headlight high beam (halogen bulb)
Front turn signal light
You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparing for light bulb replacement
Removing the engine compartment cover
Bulb locations
1
2
3

ES300h_OM_OM33C75U_(U)
4877-3. Do-it-yourself maintenance
7
Maintenance and care
■Rear
Back-up lightRear turn signal light12

488
ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
■Headlight high beam (halogen bulb)
Turn the cover counterclockwise
and remove it.
Unplug the connector while pull-
ing the lock release.
Turn the bulb base counterclock-
wise.
Replacing light bulbs
1
2
3

ES300h_OM_OM33C75U_(U)
4897-3. Do-it-yourself maintenance
7
Maintenance and care
Set the new light bulb.
Align the 3 tabs on the light bulb with
the mounting, and insert.
Turn it clockwise to set.
Set the connector.
Shake the bulb base gently to check
that it is not loose, turn the headlight
high beams on once and visually
confirm that no light is leaking
through the mounting.
Install the cover and turn it clock-
wise.
Align the ▲ of the cover to the posi-
tioning mark of the lamp body and
insert and turn it.
4
5
6

490
ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
■Front turn signal lights
To allow enough working space,
turn the steering wheel to the
opposite side of the bulb to be
replaced.
Remove the 3 fender liner clips
and 1 screw.
While holding the clamp open,
pull and remove the tabs and
open the fender liner.
1
2

ES300h_OM_OM33C75U_(U)
4917-3. Do-it-yourself maintenance
7
Maintenance and care
Turn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps
listed.
After installing the bulb base, reinstall
the fender liner and install the clips
and screw.
3
4
5

492
ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
■Front side marker lights
Partly remove the fender liner.
Perform the procedure for “Front turn signal lights” from step 1 to 2.
(→ P. 4 9 0 )
Turn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps
listed.
After installing the bulb base, reinstall
the fender liner an d install the clips
and screw.
1
2
3
4