2009 Lexus ES350 headlight

347
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U_(L/O_0808)
12A LT140 A
PSB, H-LP CLN, P-P/SEAT, RR DEF,
ABS NO.2, FAN MAIN, ABS NO.1,
HTR, RR FOG, RR DOOR RH, RR
DOOR LH, FUEL OPN, FR FOG,
OBD, STOP, TI & TE, A/C, PWR,
DOOR NO.2, S/ROOF, GAUGE
NO.2, POWER, P/SEAT
13STR LOCK20 ASteering lock system
14IG220 A
GAUGE NO.2, IGN, multiport fuel
injection system/sequential multiport
fuel injection system
15HAZ15 ATurn signal lights
16ETCS10 AElectronic throttle control system
17E-ACM10 AElectric active control mount
18A/C CTRL PNL15 AAir conditioning system
19A LT- S7. 5 ACharging system
20AM27. 5 AStarting system
21EFI MAIN30 AEFI NO.2, EFI NO.3, fuel system, ECT
system
22AMP30 AAudio system
23AMP230 AAudio system
24DOOR NO.125 APower door lock system
25R A D I O N O.115 AAudio system
26ECU-B NO.110 AECU powers
27DOME10 AInterior lights, meters, vanity lights
28H-LP (LH)15 ALeft-hand headlight (high beam)
29H-LP (RH)15 ARight-hand headlight (high beam)
FuseAmpereCircuit

348
4-3. Do-it-yourself maintenance
ES350_U_(L/O_0808)
30H-LP (LL)15 ALeft-hand headlight (low beam)
31H-LP (RL)15 ARight-hand headlight (low beam)
32HORN10 AHorns
33EFI NO.110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, ECT system
34M PX- B10 AMeters
35A/F20 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
36S-HORN7. 5 AHorn
37EFI NO.215 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
38EFI NO.310 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
FuseAmpereCircuit

350
4-3. Do-it-yourself maintenance
ES350_U_(L/O_0808)
15ECU-IG NO. 110 A
Moon roof, seat heaters, power win-
dows, clock, automatic windshield
wiper, electric cooling fans, driving
position memory system, seat position
memory system
16ECU-IG NO. 27. 5 A
Anti-lock brake system, vehicle stabil-
ity control system, traction control sys-
tem, brake assist system, cruise
control system, stop lights, shift lock
control system
17A/C NO. 210 AAir conditioning system, rear window
defogger
18WA S H10 AWindshield washer
19S-HTR20 ASeat heaters, air conditioning system
20GAUGE NO. 110 AEmergency flashers, back-up lights,
rear sunshade, charging system
21WIP25 AWindshield wipers
22H - L P LV L7. 5 AHeadlight leveling system
23IGN10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, SRS airbag system, steering lock
system
24GAUGE NO. 27. 5 AMeters
25ECU-ACC7. 5 AClock, main body ECU
26CIG20 ACigarette lighter
27PWR OUTLET20 APower outlet
28RADIO NO. 27. 5 AAudio system
29MIR HTR15 AOutside rear view mirror defoggers
FuseAmpereCircuit

352
4-3. Do-it-yourself maintenance
ES350_U_(L/O_0808)
Headlight aim (vehicles with discharge headlights)
■Vertical movement adjusting 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.
■ Adjusting the headlight aim
Remove the engine compartment cover. ( →P. 312)
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns in mind.
STEP1
STEP2
STEP3
STEP4
STEP1
STEP2

353
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U_(L/O_0808)
Turn bolt B the same number of
turns and in the same direction
as step 1 using a Phillips-head
screwdriver.
If the error is over the value
specified above, take the vehicle
to your Lexus dealer to adjust
the headlight aim.
STEP3

354
4-3. Do-it-yourself maintenance
ES350_U_(L/O_0808)
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. 4 3 1 )
■ Front bulb locations
■ Rear bulb locations
Headlight high beam
Headlight
low beam
(halogen
bulb)
Front turn signal lightFront side marker light
Parking light
Rear turn signal light Stop/tail light
Rear side marker light

355
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U_(L/O_0808)
Replacing light bulbs■ Headlight low beams (for vehi cles without discharge bulbs)
Remove the engine compartment cover. ( →P. 312)
Unplug the connector.
Remove the cover.
Release the lock.
STEP1
STEP2
STEP3
STEP4

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4-3. Do-it-yourself maintenance
ES350_U_(L/O_0808)Remove the light bulb.
■ Headlight high beams
Remove the engine compartment cover. ( →P. 312)
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
STEP5
STEP1
STEP2
STEP3