2008 Lexus GS350 low beam

6
GS_G_U
May 13, 2008 5:14 pm
Headlight (high beam) P. 142
Pictorial indexExterior
Turn signal light P. 130
Fog light P. 145
Side turn signal light P. 130
Headlight (low beam)
P. 142
Hood P. 403
Parking light P. 142
Windshield wipers P. 146
Moon roof  P. 67
Outside rear view mirror
P. 62
Side marker light P. 142

145
2-3. Operating the lights and windshield wipers
2
When driving
GS_G_U
June 5, 2008 10:37 am
Fog light switch
The fog lights improve visibility in difficult driving conditions, such as in rain
or fog. They can be turned on only when the headlights are on low beam.
OFF
ON

455
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
10IG210Ignition system, noise filter and ECT
ECU
11EFI NO.210
Fuel system, exhaust system, multi-
port fuel injection system/sequential
multiport fuel injection system, elec-
tronic engine control system, leak
detection pump
12H-LP R LWR15Headlight low beam (right)
13H-LP L LWR15Headlight low beam (left)
14F/ P M P25Fuel system
15EFI25
Multiport fuel injection system/
sequential multiport fuel injection
system, ECT ECU
16INJ25
Multiport fuel injection system/
sequential multiport fuel injection
system
17H-LP UPR15Headlight high beams
18HORN10Horns
19WA S H E R20Windshield wipers and washer
20FR TAIL10Parking lights, side marker light
21FR FOG15Front fog lights

457
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
11H-LP R LWR15Headlight low beam (right)
12H-LP L LWR15Headlight low beam (left)
13F/ P M P25Fuel system
14EFI NO.125
Multiport fuel injection system/
sequential multiport fuel injection
system
15INJ20
Multiport fuel injection system/
sequential multiport fuel injection
system
16H-LP HI15Headlight high beams
17HORN10Horns
18WA S H E R20Windshield wipers and washer
19FR TAIL10Parking lights, side marker light
20FR FOG15Front fog lights

467
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
Headlight aim
■Gauges
High beam vertical position
Low beam vertical position
High beam horizontal posi-
tion
Low beam horizontal position
■ Adjustment bolts
High beam horizontal adjust-
ment
High beam vertical adjust-
ment
Low beam adjustment bolt A
Low beam adjustment bolt B

468
4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
■Before checking the headlight aim
Make sure the vehicle has a full ta nk 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.
■ Adjusting the headlight aim
Low beam (vertical adjustment)
Using a Phillips-head screw-
driver, turn adjustment bolt A so
that the bubble is within the 2
center lines.
Remember the turning direction
and the number of turns.
Turn bolt B the same number of
turns and in the same direction
as step 1.
STEP1
STEP2
STEP3
STEP4

469
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
Low beam (horizontal adjustment)
Turn adjustment bolt A so that the re d line on the gauge is in the middle
of the “0” mark (within the blue lines to either side of the gaug\
e).
High beam (vertical and horizontal adjustment)
Turn each adjustment bolt in either direction so that the bubble in
within the 2 center lines (vertical), an d the red line on the gauge is in
the middle of the “0” mark (within th e blue lines to either side of the
gauge) (horizontal).
If you feel that there is a large deviation, have the headlight aim
adjusted at a Lexus dealer.

470
4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
Light bulbs
You may replace the following bulbs yourself. For more information about
replacing other light bulbs, contact your Lexus dealer.
■Prepare a replacement light bulb
Check the wattage of the light bulb being replaced. ( P. 5 5 2 )
■ Remove the engine compartment cover if necessary
 P. 4 0 8
■ Front bulb locations
■ Rear bulb locations
Parking light
Headlight high beam
Rear turn signal light Back-up light