Brake Lexus GS450h 2009 Service Manual

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3-3. Using the audio system
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Playing video CD (with DVD player)
For safety reasons, you can enjoy the visual contents of discs only when the
vehicle is completely stopped with the “POWER” switch in ACCESSORY
or ON mode and the parking brake applied. While you are driving, only
audio contents may be played.
■Video control screen
Press while the disc is playing, the following screen appears.
Return to video screen
Change screen mode ( →P. 3 1 8 )
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4-2. Maintenance
GS_HV_U (OM30B44U)
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General maintenance
Engine compartment
Luggage compartment
ItemsCheck points
Brake fluid• At the correct level? (→P. 4 4 6 )
Engine/power control unit coolant• At the correct level? (→ P. 444)
Engine oil• At the correct level? (→P. 440)
Exhaust system• No fumes or strange sounds?
Radiator/condenser/hoses• Not blocked with foreign matter?
(→ P. 4 4 5 )
Wa s h e r f l u i d• At the correct level? ( →P. 4 5 1 )
ItemsCheck points
12 volt battery•Maintenance-free ( →P. 4 4 7 )
Listed below are the general maintenance items that should be performed
at the intervals specified in the “Warranty and Services Guide/Owner’s
Manual Supplement”. It is recommended that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.
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4-2. Maintenance
4
Maintenance and care
GS_HV_U (OM30B44U)
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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 8 9 )
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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GS_HV_U (OM30B44U)
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4-3. Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct proce-
dure given in these sections.
ItemsParts and tools
12 volt battery condition ( →P. 4 4 7)
•Grease
•Conventional wrench
(for terminal clamp bolts)
Brake fluid level (→ P. 446)
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
•Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power control unit coolant
level ( →P. 444)
• “Toyota Super Long Life Coolant”
or similar high quality ethylene gly-
col based non-silicate, non-amine,
non-nitrite and non-borate coolant
with long-life hybrid organic acid
technology.
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant and
50% deionized water.
For Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55% coolant and
45% deionized water.
• Funnel (used only for adding cool- ant)
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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
CAUTION
■When raising your vehicle
Make sure to observe the following to reduce the possibility of death or serious
injury.
●Do not use the jack that was supplied with your vehicle.
●Do not put any part of your body or get underneath the vehicle supported only by
the floor jack.
Always use automotive jack stands or a solid, level surface.
●Do not start the hybrid system while the vehicle is supported by the floor jack.
●Stop the vehicle on level firm ground, firmly set the parking brake and put the shift
lever in “P”.
●Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage the vehi-
cle and may cause the vehicle to fall off the floor jack.
●Do not raise the vehicle while someone is in the vehicle.
●When raising the vehicle, do not place any objects on top of or underneath the
floor jack.
●Lift up the vehicle using a floor jack such as
the one shown in the illustration.
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4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Engine compartment
■12 volt battery
→P. 4 4 7
Engine oil level dipstick
(→P. 4 4 0 )
Engine oil filler cap (→P. 4 4 1 )
Brake fluid reservoir (→P. 4 4 6 )
Fuse box ( →P. 4 74 )Washer fluid tank
(→P. 4 5 1 )
Gasoline engine/power
control unit coolant
reservoir ( →P. 444)
Electric cooling fans
Condenser ( →P. 445)
Radiator ( →P. 445)
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4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Brake fluid■ Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
Make sure to check the fluid type and prepare the necessary items.
■ Adding fluid
Fluid typeFMVSS No.116 DOT 3 or SAE J1703 brake fluid
ItemsClean funnel
■Brake fluid can absorb moisture from the air
Excess moisture in the fluid can cause a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
CAUTION
■When filling the reservoir
Take care because brake fluid can harm your hands or eyes and damage painted
surfaces.
If fluid gets in your eyes, flush your eyes with clean water immediately.
If you still experience discomfort, see a doctor.
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4-3. Do-it-yourself maintenance
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Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
12 volt batteryThe 12 volt battery is located in the left-hand side of luggage compart-
ment.
■ Removing the cover
NOTICE
■If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads wear or
when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, it may indicate a serious problem.
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4-3. Do-it-yourself maintenance
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Maintenance and care
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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, 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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Maintenance and care
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FuseAmpereCircuit
39RR J/B80STOP LP R, STOP LP L, RR TAIL,
PSB, RR FOG, RR-IG1
40OIL PMP60Transmission
41EPS80EPS
42P/ I - B 160EFI, F/PMP, INJ
43E/G-B30EM-VLV, FR CTRL-B, ETCS
44MAIN30H-LP R LWR, H-LP L LWR
45VGRS40VGRS
46ABS150ABS MOTOR, ABS MAIN1,
ABS MAIN2
47P/ I - B 260A/F, BATT FAN, IGCT, INV W/P
48BATT FAN20Electric cooling fans
49RAD No.130Audio system
50RAD No.230Audio system
51IG2 MAIN20IG2, GAUGE, IGN
52TURN-HAZ15Front turn signal lights, rear turn
signal lights
53ABS MAIN310Electronically controlled brake sys-
tem
54ECU-B10VGRS, EPS, Lexus Link System ECU
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