maintenance LEXUS RX350 2016 Repair Manual

6057-3. Do-it-yourself maintenance
7
Maintenance and care
RX350_U_OM48E90U Turn the engine switch off.
Open the fuse box cover. 
Engine compartment
Push the tab in and lift the lid off. 
Driver’s side instrument panel
Remove the lid.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. 1
2

606 7-3. Do-it-yourself maintenance
RX350_U_OM48E90U Remove the fuse with the pullout
tool.
Only some fuses can be removed
using the pullout tool.
Check if the fuse is blown.
Normal fuse
Blown fuse Replace the blown fuse with a new
fuse of an appropriate amperage rat-
ing. The amperage rating can be
found on the fuse box lid.
Many types of fuse are used on this
vehicle. This illustration shows a com-
mon type of fuse used on this vehicle.■
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. 6 1 0 )●
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 Lexu s products designed for this vehicle.
Because certain bulbs are connected to circui ts designed to prevent overload, nongenu-
ine parts or parts not designed for this vehicle may be unusable. 3
4
1
2
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 rati ng 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.

6077-3. Do-it-yourself maintenance
7
Maintenance and care
RX350_U_OM48E90U NOTICE ■
Before replacing fuses
Have the cause of electrical overload determ ined and repaired by your Lexus dealer as
soon as possible.

608 7-3. Do-it-yourself maintenance
RX350_U_OM48E90U Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a full tank of gasoline and the area around the
headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.Headlight aim (vehicles with single-beam head-
lights) Vertical movement adjusting bolts 1
2
Before checking the headlight aim 1
2
3
4

6097-3. Do-it-yourself maintenance
7
Maintenance and care
RX350_U_OM48E90U Using a Phillips-head screwdriver,
turn bolt A in either direction. Remember the turning direction and the
number of turns.
Turn bolt B the same number of turns
and in the same direction as step . If the headlight cannot be adjusted using
this procedure, take the vehicle to your
Lexus dealer to adjust the headlight aim.Adjusting the headlight aim 1
2
1

610 7-3. Do-it-yourself maintenance
RX350_U_OM48E90U Check the wattage of the light bulb to be replaced. (  P. 6 8 2 )
 P. 1 3 4Light bulbs 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
Canceling the power back door system

6117-3. Do-it-yourself maintenance
7
Maintenance and care
RX350_U_OM48E90U ■
Front
Bulb locations
Front turn signal light (vehicles with single-beam headlights)
Front side marker light (vehicles with single-beam headlights) 1
2

612 7-3. Do-it-yourself maintenance
RX350_U_OM48E90U ■
Rear
Back-up light
Rear turn signal light (vehic les with single-beam headlights)1
2

6137-3. Do-it-yourself maintenance
7
Maintenance and care
RX350_U_OM48E90U ■
Front side marker lights (vehicles with single-beam headlights)
To ensure enough space to per-
form work, turn the steering
wheel to rotate the front wheel
away from the bulb to be
replaced.
Remove the 3 fender liner clips. Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left side
light bulb.
When removing a fender liner clip,
use a flathead screwdriver to pry the
center portion out and then remove
the whole clip.
Pull back the fender liner until the
connector is visible.
Partially remove the fender liner
and turn the bulb base counter-
clockwise and remove it.Replacing light bulbs 1
8 2
3

614 7-3. Do-it-yourself maintenance
RX350_U_OM48E90U Remove the light bulb.
Install a new light bulb and then
install the bulb base to the light
unit by inserting it and turning it
clockwise. After installing the bulb base, wiggle
it lightly to make sure it is securely
installed and turn the lights on to
visually check that there is no light
leaking from between the bulb base
and light unit.
Reinstall the fender liner and
install the 3 fender liner clips. 4
5
6