2007 Lexus IS250 fuel

311
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Engine compartment (type B)
FuseAmpereCircuit
1FR CTRL-B25AHeadlight high beam, horn
2A/F15AExhaust system
3ETCS10A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
4ALT-S7. 5 ACharging system
5STR LOCK25ASteering lock
6H-LP CLN30AHeadlight cleaner
7A/C COMP7. 5 AAir conditioning system
8DEICER25A
9FR CTRL-AM30AFront fog lights, parking lights, wind-
shield washer
10IG210AIgnition system
11EFI NO.210AFuel system, exhaust system
12H-LP R LWR15AHeadlight low beam (right)
13H-LP L LWR15AHeadlight low beam (left)

312
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
14F/ P M P25AFuel system
15EFI25A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
16INJ20A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
17H-LP UPR15AHeadlight high beams
18HORN10AHorns
19WA S H E R20AWindshield washer
20FR TAIL10AParking lights
21FR FOG15AFront fog lights

313
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Driver’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT LH30APo w e r s e a t
2A/C7. 5 AAir conditioning system
3MIR HTR15AOutside rear view mirror defoggers
4TV NO.110ADisplay
5FUEL OPEN10AFuel filler door opener
6TV NO.27. 5 A
7PSB30APre-collision seat belt
8S/ROOF25AElectric moon roof
9TA I L10ATail lights, license plate lights, parking
lights
10PA N E L7. 5 ASwitch illumination, air conditioning
system, display
11RR FOG7. 5 A
12ECU-IG LH10A
Cruise control, air conditioning sys-
tem, power steering, rain sensor, anti-
glare inside rear view mirror, shift lock
system, moon roof, tire inflation pres-
sure warning system
13FR S/HTR LH15ASeat heaters and ventilators

315
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Passenger’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT RH30APo w e r s e a t
2DOOR DL15A
3OBD7. 5 AOn-board diagnosis system
4STOP SW7. 5 AStop lights
5TI & TE20AElectric tilt and telescopic steering
column
6RAD NO.310AAudio
7GAUGE7. 5 AMeter
8IGN10ASRS airbag system, cruise control,
steering lock system, fuel system
9ACC7. 5 A
Lexus link system, clock, air condition-
ing system, audio, display, outside rear
view mirrors, smart access system
with push-button start
10CIG15ACigarette lighter
11PWR OUTLET15APo w e r o u t l e t
12RR DOOR RH20APo w e r w i n d o w s

When trouble arises5
327
5-1. Essential information ........... 328
If your vehicle needs to be
towed........................................... 328
If you think something is
wrong .......................................... 335
Fuel pump shut off system ..... 336
Event data recorder ................. 337
5-2. Steps to take in an
emergency ........................... 339
If a warning light turns on
or a warning buzzer
sounds... .................................... 339
If a warning message is
displayed .................................... 344
If you have a flat tire ................. 358
If the engine will not start ....... 366
If the shift lever cannot
be shifted from P..................... 367
If you lose your keys ................ 368
When the electronic key does
not operate properly............. 369
If the vehicle battery is
discharged ................................ 372If your vehicle overheats ........ 375
If the vehicle becomes
stuck ............................................. 377

336
5-1. Essential information
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is acti-
vated.
Switch to ACC mode or OFF.
Restart the engine.
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked on to the ground, the fuel system has been damaged
and is in need of repair. Do not restart the engine.
To minimize the risk of fuel leakage when the engine stalls or an airbag
inflates upon collision, the fuel pump shut off system stops supplying fuel to
the engine.
STEP1
STEP2

5
When trouble arises
341
5-2. Steps to take in an emergency
Follow the correction procedures.
After taking the specified steps to correct the suspected problem, check
that the warning light turns off.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
ABS warning light
Indicates a malfunction in:
•The ABS;
• The brake assist system.
Electric power steering system warning light
• Indicates a malfunction in the EPS (Electric Power Steering)
system.
Pre-collision system warning light (if equipped)
• Indicates a malfunction in the pre-collision system.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or a
trunk is not fully closed.
Check that all doors and the
trunk are closed.
Low fuel level warning light
Remaining fuel
(Approximately 2.9 gal. [11 L,
2.4 Imp.gal.] or less)
Refuel the vehicle.
(On the instru-
ment cluster)
Driver’s seat belt reminder
light (warning buzzer)
*2
Warns the driver to fasten
his/her seat belt.Fasten the seat belt.

5
When trouble arises
343
5-2. Steps to take in an emergency
■If the electronic engine control system warning light comes on while driving
First check the following:
●Is the fuel empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
■Front passenger detection sensor and passenger seat belt reminder
●If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash, even if a passenger is not sitting in
the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.