2009 Lexus GS350 horn

473
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
FuseAmpereCircuit
10IG210Ignition system, noise filter and ECT
ECU
11EFI NO.210
Fuel system, exhaust system, multi-
port fuel injection system/sequential
multiport fuel injection system, elec-
tronic engine control system, leak
detection pump
12H-LP R LWR15Headlight low beam (right)
13H-LP L LWR15Headlight low beam (left)
14F/ P M P25Fuel system
15EFI25
Multiport fuel injection system/
sequential multiport fuel injection
system, ECT ECU
16INJ25
Multiport fuel injection system/
sequential multiport fuel injection
system
17H-LP UPR15Headlight high beams
18HORN10Horns
19WA S H E R20Windshield wipers and washer
20FR TAIL10Parking lights, side marker light
21FR FOG15Front fog lights
GS_U_G.book Page 473 Monday, April 27, 2009 10:50 AM

474
4-3. Do-it-yourself maintenance
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
GS350
FuseAmpereCircuit
1FR CTRL-B25H-LP UPR and HORN
2A/F15Exhaust system
3ETCS10Electronic throttle control system
4ALT-S7. 5 Charging system
5H-LP CLN30Headlight cleaner
6A/C COMP7. 5 Air conditioning system
7DEICER25
8FR CTRL-AM30FR TAIL, FR FOG and WASHER
9IG210Ignition system and noise filter
10EFI NO.210Fuel system and exhaust system
GS_U_G.book Page 474 Monday, April 27, 2009 10:50 AM

475
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
FuseAmpereCircuit
11H-LP R LWR15Headlight low beam (right)
12H-LP L LWR15Headlight low beam (left)
13F/ P M P25Fuel system
14EFI NO.125
Multiport fuel injection system/
sequential multiport fuel injection
system
15INJ20
Multiport fuel injection system/
sequential multiport fuel injection
system
16H-LP HI15Headlight high beams
17HORN10Horns
18WA S H E R20Windshield wipers and washer
19FR TAIL10Parking lights, side marker light
20FR FOG15Front fog lights
GS_U_G.book Page 475 Monday, April 27, 2009 10:50 AM

542
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (→P. 133), consider each of the following points.
■The engine will not start even if you are carrying the correct elec-
tronic key
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( →P. 133)
● There may be a malfunction in the immobilizer system. ( →P. 8 4 )
■ The starter motor turns over slow ly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. (→ P. 548)
● The 12 volt battery terminal connections may be loose or corroded.
■ The starter motor does not turn over, the interior lights and head-
lights 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 disconnected.
● The 12 volt battery may be discharged. (→ P. 548)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
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607
Alphabetical index
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Front passenger occupant classification system ..........................103
Front passenger’s seat belt
reminder light ..................................... 509
Front seats Adjustment .............................................. 54
Driver’s seat position memory ...... 56
Front turn signal lights Wattage ..................................................572
Fuel Capacity...................................................561
Fuel gauge .............................................. 145
Gas station information ................. 620
Information............................................ 573
Refueling ..................................................... 81
Fuel door....................................................... 81
Fuel filler door............................................. 81
Fuses.......................................................... 460
Garage door opener.......................... 382
Gas station information ..................... 620
Gauges....................................................... 145
Glove box ............................................... 360
Hands-free system (for cellular phone)............................310
Head restraints......................................... 60
Headlight aim ........................................ 485
Headlight cleaner .................................. 164 Headlights
Adaptive front lighting system...... 156
Discharge headlights precautions........................................493
Replacing light bulbs ....................... 488
Switch........................................................ 155
Wattage .................................................. 572
Heaters Seat heaters .......................................... 373
Side mirror............................................. 243
Hill-start assist control ....................... 200
Hood ........................................................... 421
Hooks Cargo ......................................................379
Shopping bag ......................................379
Horn ............................................................ 144
Identification Engine..................................................... 560
Vehicle ................................................... 559
Ignition switch Engine switch ........................................ 133
Illuminated entry system ....................356
I/M test........................................................417
Immobilizer system .................................84
Indicator lights......................................... 149
Initialization Items to initialize ................................ 595
Inside rear view mirror .......................... 72
Instrument panel light control .......... 146
Interior lights Interior lights .........................................357
Wattage .................................................. 572
Intuitive parking assist ............................181
G
H
I
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614
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
What to do if...
What to do if...
A tire puncturesP. 5 3 1 /541If you have a flat tire
The engine does not start
P. 8 4Immobilizer system
P. 5 4 2If the engine will not start
P. 5 4 8If the 12 volt battery is discharged
The shift lever cannot be
moved outP. 5 4 3If 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. 552If your vehicle overheats
The key is lostP. 5 4 4If you lose your keys
The 12 volt battery runs outP. 5 4 8If the 12 volt battery is discharged
The doors cannot be lockedP. 4 4Doors
The horn begins to soundP. 8 6Alarm
The vehicle is stuck in mud or
sandP. 5 5 5If the vehicle becomes stuck
GS_U_G.book Page 614 Monday, April 27, 2009 10:50 AM