headlight Lexus GS450h 2008 Owner's Guide

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4-2. Maintenance
4
Maintenance and care
GS_HV_U
June 19, 2008 1:15 pm
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal effort or catching)?
Transmission “Park”
mechanism• Can the vehicle be hold securely on an incline with the shift lever in “P”?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and correct amount of free play?
Brakes
• Pulls to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers• Function properly?
Lights• Do all the lights come on?
• Headlights aimed correctly? ( →P. 4 7 1 )
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on an
incline?
Seat belts
• Does the seat belt system operate smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate properly?
Steering wheel
• Moves smoothly?
• Has correct free play?
• No strange noises?
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Maintenance and care
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ItemsParts and tools
Engine oil level (→P. 422)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used
only for adding engine oil)
Fuses (→ P. 4 5 6 )• Fuse with same amperage rating as
original
Headlight aim ( →P. 4 7 1 )• Phillips-head screwdriver
Radiator and condenser (→P. 4 2 8 )
Tire inflation pressure (→ P. 4 4 5 )• Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d (→P. 434)
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel
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Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1FR CTRL-B25H-LP HI, HORN
2RELIEF VLV10Fuel system
3ETCS10
Multiport fuel injection system/
sequential multiport fuel injection
system
4H-LP CLN30Headlight cleaner
5STB-AM30Active stabilizer suspension system
6DEICER25
7FR CTRL-AM30FR TAIL, FR FOG, WASH
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FuseAmpereCircuit
8IG210
Multiport fuel injection system/
sequential multiport fuel injection
system, noise filter
9EFI No.210Fuel system, exhaust system
10H-LP R LWR15Headlight low beam (right)
11H-LP L LWR15Headlight low beam (left)
12D/C CUT30DOME, MPX-B
13IGCT No.37. 5Hybrid battery (traction battery)
14IGCT No.27. 5Hybrid system
15MPX-B7. 5
Power windows, door control system,
power seat, electronically controlled
brake system, combination switch,
electric tilt and telescopic steering,
gauges and meters
16DOME7. 5Interior lights, foot lights, vanity light,
gauges and meters
17ABS MAIN110Electronically controlled brake sys-
tem
18ABS MOTOR30ABS
19ABS MAIN210Electronically controlled brake sys-
tem
20F/ P M P25Fuel system
21EFI25
EFI2, multiport fuel injection system/
sequential multiport fuel injection
system
22INJ20
Multiport fuel injection system/
sequential multiport fuel injection
system
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FuseAmpereCircuit
23A/F15Fuel system
24INV W/P10Hybrid system
25IGCT No.120Hybrid system, IGCT No.2,
IGCT No.3
26FR FOG15Fog light
27FR TAIL10Tail light, rear side marker light
28WA S H20Windshield wipers and washer
29HORN10Horn
30H-LP UPR20Headlight high beam
31DC/DC140Charging system
32RAD FAN60Electric cooling fans
33LH J/B AM80
S/ROOF, FR P/SEAT LH, TV, A/C,
FUEL OPN, FR WIP, H-LP LVL,
FR S/HTR LH, A/C W/P
34E/G AM60H-LP CLN, FR CTRL-AM, DEICER,
STB AM
35HEATER50Air conditioning system
36DEFOG50Rear window defogger
37ABS230VSC, ABS
38RH J/B-AM80
AM1, OBD, STOP SW, TI & TE,
FR P/SEAT RH, STR LOCK,
SECURITY, ECU-IG R, RH-IG,
F S/HTR RH, CIG, PWR OUTLET,
AIR SUS
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■Left side instrument panel
FuseAmpereCircuit
1FR WIP30Windshield wipers and washers
2RR-IG7. 5RR-IG1
3LH-IG10
Emergency flashers, seat belt preten-
sioners, headlight cleaners, exhaust
system, rear window defogger, elec-
tric cooling fans, front left door con-
trol system, rear left door control
system
4H-LP LVL7. 5Adaptive front lighting system
5A/C W/P7. 5Air conditioning system
6RAD No.310Audio system
7FR DOOR LH20Front left door control system
8RR DOOR LH20Rear left door control system
9FR S/HTR LH15Seat heaters, seat heaters and venti-
lators
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Maintenance and care
GS_HV_U
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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
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■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
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
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Maintenance and care
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Low beam (horizontal adjustment)
Turn adjustment bolt A so that the red line on the gauge is in the middle
of the “0” mark (within the blue lines to either side of the gauge).
High beam (vertical and horizontal adjustment)
Turn each adjustment bolt in either direction so that the bubble in
within the 2 center lines (vertical), and the red line on the gauge is in
the middle of the “0” mark (within the 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.
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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 2 1
■ Front bulb locations
■ Rear bulb locations
Parking light
Headlight high beam
Rear turn signal light Back-up light
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