480
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
GS450h_HV_U.book Page 480 Monday, April 27, 2009 10:10 AM
5
When trouble arises
547
5-2. Steps to take in an emergency
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
If the hybrid system will not start
If the hybrid system will not start even though correct starting procedures
are being followed (
→P. 148), consider each of the following points.
■The hybrid system will not start even if you are carrying the cor-
rect electronic key
One of the following may be the cause of the problem.
● The electronic key battery may be discharged. ( →P. 5 5 0 )
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● There may be a malfunction in the steering lock system.
● There may be a malfunction in the immobilizer system.
(→ P. 9 6 )
■ The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. ( →P. 553)
● The 12 volt battery terminal connections may be loose or cor-
roded.
■ The interior lights and headlights do not turn on, or the horn does
not sound
One of the following may be the cause of the problem.
● One or both of the 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( →P. 553)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
GS450h_HV_U.book Page 547 Monday, April 27, 2009 10:10 AM
607
Alphabetical index
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Foot light .................................................. 369
Front passenger occupant classification system ........................... 115
Front passenger’s seat belt
reminder light ....................................... 512
Front seats
Adjustment ...............................................64
Driver’s seat position memory ...... 66
Front turn signal lights Wattage ................................................. 573
Fuel Capacity.................................................566
Fuel gauge ..............................................159
Gas station information ................. 620
Information............................................ 574
Refueling ..................................................... 91
Messages ..............................................530
Fuel door....................................................... 91
Fuel filler door............................................. 91
Fuses........................................................... 474
Garage door opener.......................... 394
Gas station information ..................... 620
Gauges....................................................... 159
Glove box ................................................373
Hands-free system (for cellular phone).......................... 323
Head restraints..........................................70
Headlight aim ........................................ 489
Headlight cleaner .................................. 178 Headlights
Adaptive front lighting system...... 170
Discharge headlights precautions........................................ 497
Replacing light bulbs ........................ 492
Switch........................................................ 169
Wattage..................................................573
Heaters
Seat heaters ......................................... 386
Side mirror.............................................256
Hill-start assist control ......................... 214
Hood ..........................................................435
Hooks Cargo ...................................................... 392
Shopping bag ......................................392
Horn ............................................................ 158
Hybrid system ........................................... 24 Emergency shut off system.............. 29
Energy monitor/consumption screen...................................................... 29
High voltage components ............... 28
Power meter.......................................... 159
Power (ignition) switch .................... 148
Identification Engine..................................................... 565
Electric motor ..................................... 565
Vehicle ................................................... 565
Ignition switch Power switch......................................... 148
Illuminated entry system .................... 369
I/M test....................................................... 431
Immobilizer system ................................. 96
Indicator lights......................................... 163
Initialization Items to initialize ................................ 596
G
H
I
GS450h_HV_U.book Page 607 Monday, April 27, 2009 10:10 AM
614
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
What to do if...
What to do if...
A tire puncturesP. 5 3 6 /546If you have a flat tire
The hybrid system does not start
P. 9 6Immobilizer system
P. 5 4 7If the hybrid system will not start
P. 5 5 3If the 12 volt battery is discharged
The shift lever cannot be
moved outP. 5 4 8If the shift lever cannot be shifted
from “P”
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 5 5 7If your vehicle overheats
The key is lostP. 5 4 9If you lose your keys
The 12 volt battery runs outP. 5 5 3If the 12 volt battery is discharged
The doors cannot be lockedP. 5 4Doors
The horn begins to soundP. 9 8Alarm
The vehicle is stuck in mud or
sandP. 5 6 0If the vehicle becomes stuck
GS450h_HV_U.book Page 614 Monday, April 27, 2009 10:10 AM
