2012 Lexus GX460 headlight

654
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60J00U)
50ECU-B10 A
BODY ECU, meter, heater, steering
sensor, wireless remote control, seat
position memory, tilt and telescopic
steering, multi display, Smart access
system with push button start, folding
seat, cool box, DSS#2 ECU, steering
switch, D-module switch, overhead
module
51WSH FR NO.27. 5 ADSS#1 ECU
52H-LP RH-LO15 AHeadlight low beam (right), headlight
leveling system
53H-LP LH-LO15 AHeadlight low beam (left), headlight
leveling system
54INJ10 ACoil, injector, ignition, noise filter
55EFI NO.210 A
O2 SSR, AFM, ACIS VSV, AI
COMB, KEY OFF PUMP, EYP VSV,
EGR VALVE, CANISTER VSV, AI
VSV RLY, AI PUMP HTR RLY
56WIP FR NO.27. 5 ADSS#1 ECU
57WSH RR15 ARear window washer
58SPARESpare fuse
59SPARESpare fuse
60SPARESpare fuse
FuseAmpereCircuit

660
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60J00U)
Headlight aim (vehicles with low beam halogen bulbs)∗
∗: If equipped
■ Vertical movement adjustment bolts
Adjustment bolt A
Adjustment bolt B
■ Before checking the headlight aim
Make sure the vehicle has a full tank of gas 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.
STEP1
STEP2
STEP3
STEP4

661
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_U.S.A. (OM60J00U)
■Adjusting the headlight aim
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns.
Turn bolt B the same number of
turns and in the same direction
as in step 1 using a Phillips-head
screwdriver.
If the headlight cannot be
adjusted using this procedure,
take the vehicle to your Lexus
dealer to adjust the headlight
aim.
STEP1
STEP2

662
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60J00U)
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
■ Prepare a replacement light bulb
Check the wattage and color of the light bulb being replaced.
(→ P. 763)
■ Remove the engine compartment cover
→ P. 6 1 0
■ Front bulb locations
Headlight low beam
(halogen bulb)
Headlight high beam
and daytime running lights
Parking/front side marker light
Front turn signal light
Fog light

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_U.S.A. (OM60J00U)
Replacing light bulbs■ Headlight low beams (vehicles with halogen bulbs)
Turn the cover counterclockwise
and remove it.
■Rear bulb locations
Rear turn signal light
Back-up light
Rear side marker light
STEP1

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_U.S.A. (OM60J00U)■
Headlight high beams and daytime running lights
Turn the bulb base counterclock-
wise.
Unplug the connector while push-
ing the lock release.
STEP1
STEP2

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4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60J00U)Remove the light bulb.
■ Lights other than the above
If any of the lights listed below has burnt out, have it replaced by your
Lexus dealer.
●Headlight low beams (high-intensity discharge bulbs)
● Side turn signal lights
● High mounted stoplight
● Stop/tail lights
● License plate light
● Outer foot light
STEP3

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4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_U.S.A. (OM60J00U)
■High-intensity discharge (HID) headlights
If voltage to the high-intensity discharge bulbs is insufficient, the light may not come
on, or may go out temporarily. The high-intensity discharge bulbs will come on
when normal power is restored.
■LED light bulbs
The side turn signal lights, tail/stop lights , license plate light and high mounted stop-
light consist of a number of LEDs. If any LEDs burn out, take your vehicle to your
Lexus dealer to have the light replaced.
If two or more LEDs in a stoplight burn out, your vehicle may not conform to local
laws (SAE).
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more information in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
●Large drops of water are built up on the inside of the lens.
●Water has built up inside the headlight.