Page 467 of 609
446
4-3. Do-it-yourself maintenance
IS250/220d/200d_EE
5A/F15 A
Multiport fuel injection system/
sequential multiport fuel injection
system
6ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection
system
7TEL10 A
8STR LOCK25 ASteering lock system
9H-LP CLN30 AHeadlight cleaner
10A/C COMP7.5 AAir conditioning system
11DEICER25 AWindshield wiper de-icer
12FR CTRL-AM30 AFR TAIL, FR FOG, WASHER
13IG210 AIgnition system
14EFI NO.210 A
Multiport fuel injection system/
sequential multiport fuel injection
system
15H-LP R LWR15 AHeadlight low beam (right)
16H-LP L LWR15 AHeadlight low beam (left)
17F/PMP25 AFuel system
18EFI25 A
Multiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.2
19INJ20 A
Multiport fuel injection system/
sequential multiport fuel injection
system
20H-LP UPR20 AHeadlight high beams
21HORN10 AHorns
FuseAmpereCircuit
Page 541 of 609

5
515
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (P. 156), consider each of the following points.
The engine will not start even when the starter motor operates
normally.
One of the following may be the cause of the problem.
There may not be sufficient fuel in the vehicle’s tank.
IS250: Refuel the vehicle.
IS220d and IS200d: P. 531
The engine may be flooded. (IS250)
Try to restart the engine once more following correct start-
ing procedures. (P. 156)
There may be a malfunction in the engine immobilizer sys-
tem.
(P. 96)
The starter motor turns over slowly, 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 battery may be discharged. (P. 524)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over, 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 battery terminals may be disconnected.
The battery may be discharged. (P. 524)
There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional, if the problem can-
Page 600 of 609

567
Alphabetical index
IS250/220d/200d_EE
Fuel door .....................................92
Fuel filler door.............................92
Fuel pump shut off system ........466
Fuses ..........................................438
Gas station information .............576
Gauges .......................................171
Glove box ..................................355
Glove box light ..........................356
Hazard lights
Switch ...................................458
Head restraints
Adjusting ...............................71
Headlight cleaner.......................197
Headlights
Discharge headlight
precautions .........................461
Replacing light bulbs ............453
Switch ...................................186
Wattage .................................552
Heaters
Seat heaters ...................371, 374
Side mirror ............................265
Hill-start assist control ..............224
Hood ..........................................402
Hooks
Cargo ....................................384
Coat ......................................381
Shopping bag ........................384
Horn...........................................173Identification
Engine .................................. 535
Vehicle ................................. 535
Ignition switch .......................... 156
Illuminated entry system .......... 351
Indicator lights.......................... 177
Inside rear view mirror ............... 82
Intercooler ................................ 415
Interior lights
Interior lights ....................... 351
Switch .................................. 353
Wattage ................................ 552
Jack
Positioning a floor jack ........ 403
Vehicle-equipped jack ......... 487
Jack handle ............................... 487
Keyless entry .............................. 55
Keys
Electronic key ........................ 32
Engine switch ...................... 156
If you lose your keys ........... 518
If your electronic key battery is
discharged ......................... 519
Key number ........................... 32
Keyless entry ......................... 55
Keys ....................................... 32
Mechanical key ...................... 32
Wireless remote control key .. 55
G
H
I
J
K
Page 607 of 609
574
IS250/220d/200d_EE
What to do if...
What to do if...
A tire puncturesP. 487
P. 499If you have a flat tire
The engine does not start
P. 515If the engine will not start
P. 531If you run out of fuel and the engine
stalls (IS220d and IS200d)
P. 9 6Engine immobilizer system
P. 524If the vehicle battery is discharged
The shift lever cannot be
moved out of PP. 517If the shift lever cannot be shifted
from P
The engine coolant tempera-
ture gauge enters the red zone
Steam can be seen coming
from under the hood
P. 528If your vehicle overheats
The key is lostP. 518If you lose your keys
The battery runs outP. 524If the vehicle battery is discharged
The doors cannot be lockedP. 5 8Doors
The horn begins to soundP. 102Alarm
The vehicle is stuck in mud or
sandP. 532If the vehicle becomes stuck