ABS Lexus GS450h 2009 User Guide

474
4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
Turn the “POWER” switch to OFF.
Remove the engine compartment cover if necessary.
→P. 4 3 9
Open the fuse box cover.
■ Engine compartment
Remove the clips.
■ Front controller in the engine compartment fuse box
Lift the lid off while pushing the
tabs on either side.STEP1
STEP2
STEP3
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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
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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4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
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
37ABS230Enhanced VSC, 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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4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
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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5
When trouble arises
511
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Have the vehicle inspected immediately.
Failure to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Malfunction indicator lamp Malfunction in:
• The emission control system;
• The electronic engine control system;
• The hybrid system;
• The electronic throttle control system; or
• The transmission control system.
SRS warning light
Malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system.
(U.S.A.)

(Canada)
ABS warning lightMalfunction in:
•The ABS; or
• The brake assist system.
ECB (Electronically controlled brake system) warning light Malfunction in the electronically controlled brake system.
Electric power steering system warning light
Malfunction in the EPS.
“PCS” warning light (if equipped)Malfunction in the pre-collision system.
Slip indicatorMalfunction in the Enhanced VSC.
The indicator will blink when Enhanced VSC, TRAC or hill-
start assist control is operational. ( →P. 2 1 5 )
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5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Wa r n i n g m e s s a g eDetails
Malfunction in the charging system.
Malfunction in the power steering system.
Malfunction in the brake system.
Malfunction in the ABS.
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544
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
CAUTION
■When using the compact spare tire
●Remember that your spare tire is specifically designed for use with your vehicle.
Do not use your spare tire on another vehicle.
●Do not use two spare tires simultaneously.
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS
●Brake assist
●Enhanced VSC
●TRAC
●EPS
●VG RS
●VDIM
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Navigation system
●Intuitive parking assist (if equipped)
●Rear view monitor system
●Active stabilizer suspension system (if equipped)
●AV S
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GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
A/CAir Conditioning
ABSAnti-Lock Brake System
AFSAdaptive Front-lighting System
ALRAutomatic Locking Retractor
CRSChild Restraint System
DISPDisplay
ECUElectronic Control Unit
EDREvent Data Recorder
ELREmergency Locking Retractor
Enhanced VSCEnhanced Vehicle Stability Control
EPSElectric Power Steering
GAWRGross Axle Weight Ratings
GPSGlobal Positioning System
I/MEmission inspection and maintenance
INFOInformation
LEDLight Emitting Diode
LATCHLower Anchors and Tethers for Children
MMTMethylcy clopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
OBDOn Board Diagnostics
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GS_HV_U (OM30B44U)
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Alphabetical index
Alphabetical index
A/C ............................................................248
ABS.............................................................. 214
ACCESSORY mode .......................... 149
Active stabilizer suspension system...................................................... 214
Adaptive variable
suspension system ............................. 213
Air conditioning system
Air conditioning filter .......................469
Automatic air conditioning system .................................................. 248
Airbags
Airbag operating conditions......... 106
Airbag precautions for your child............................................... 110
Airbag warning light ........................... 511
Curtain shield airbag precautions ...........................................113
General airbag pr ecautions ........... 110
Locations of airbags.......................... 103
Modification and disposal of airbags .....................................................114
Proper driving posture ...................... 101
Side airbag precautions .................... 110
Side and curtain shield airbags operating conditions ..................... 106
SRS airbags ........................................... 103
Alarm ............................................................98
Antenna .................................................... 267
Anti-lock brake system ....................... 214
Armrest.................................................... 388
Ashtrays ................................................... 383
Audio input ............................................... 319 Audio system
Antenna...................................................267
Audio input............................................. 319
Cassette player ...................................270
CD player/changer .......................... 274
DVD information .............................. 302
DVD player/changer ..................... 283
DVD video/audio............................. 286
MP3/WMA disc................................279
Optimal use ........................................... 314
Portable music player ....................... 319
Radio ......................................................... 261
Steering switches .............................. 320
Video CD ............................................. 298
Automatic headlight leveling system ....................................................... 171
Automatic light control system.........169
Back-up lights Wattage ..................................................573
Battery 12 volt battery .......................................447
Checking................................................447
Hybrid battery
(Traction battery)...............................28
If the 12 volt battery is
discharged ........................................ 553
Preparing and checking
before winter..................................... 232
Bluetooth
®.............................................. 328
Brake Fluid .......................................................... 446
Parking brake........................................ 157
Brake assist ...............................................214
A
B
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615
What to do if...
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
The warning light or indicator
light comes onP. 5 1 0If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or orv
P. 5 1 0P. 5 1 1
P. 5 1 2
or
P. 5 1 1P. 5 1 2
P. 5 1 1P. 5 1 2
P. 5 1 2P. 5 1 1
P. 5 1 1P. 5 1 1
P. 5 1 2P. 5 1 1
P. 5 1 0P. 5 1 3
*: Electronically Controlled Brake
System
Brake system warning lightMalfunction indicator lamp
ABS warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
ECB* warning lightTire pressure warning light
Low fuel level warning lightElectric power steering
warning light
SRS warning lightPre-collision system warn-
ing light
Open door warning lightSlip indicator
Charging system warning
lightMaster warning light
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