2009 Lexus IS F check engine light

Maintenance and care4
267
08_IS F_U_(L/O_0808)
4-1. Maintenance and careCleaning and protecting the vehicle exterior............. 268
Cleaning and protecting the vehicle interior ............... 271
4-2. Maintenance Maintenance requirements ......................... 274
General maintenance ........... 276
Emission inspection and maintenance (I/M)
programs
................................. 279 4-3. Do-it-yourself maintenance
Do-it-yourself service precautions ........................... 280
Hood .......................................... 283
Positioning a floor jack ......... 284
Engine compartment ........... 286
Tires............................................ 300
Tire inflation pressure............. 311
Wheels ....................................... 315
Air conditioning filter ............ 317
Electronic key battery.......... 320
Checking and replacing fuses ........................................ 322
Headlight aim ......................... 336
Light bulbs................................ 338

336
4-3. Do-it-yourself maintenance
08_IS F_U_(L/O_0808)
Headlight aim
■Removing the engine compartment cover.
→ P. 2 8 7
■ Vertical movement adjusting bolts
Adjustment bolt A
Adjustment bolt B
■ Before checking the headlight aim
Make sure the vehicle has a full tank of gas and the area around
the headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
■ Adjusting the headlight aim
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns in mind.
STEP1
STEP2
STEP3
STEP4
STEP1

5
When trouble arises
361
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
■If the tire pressure warning system is inoperative
The tire pressure warning system will be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmitters are used.
●If the ID code on the tire pressure warning valves and transmitters is not regis-
tered in the tire pressure warning computer.
●If a different set of tires has been selected using the satellite switch.
●If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher.
●If electronic devices or facilities using similar radio wave frequencies are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If there is a lot of snow or ice on the vehicle, in particular, around the wheels or
wheel housings.
●If non-genuine Lexus wheels are used. (Even if you use Lexus wheels, the tire
pressure warning system may not work properly with some types of tires.)
■If the tire pressure warning light comes on after blinking for 1 minute frequently
If the tire pressure warning light comes on after blinking for 1 minute frequently
when the “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by your Lexus dealer.
■Customization that can be configured at Lexus dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features →P. 4 2 8 )

5
When trouble arises
375
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
Follow the correction procedures.After taking the specified steps to co rrect the suspected problem, check
that the warning light turns off.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Once
(Comes on for 10 seconds.)
Indicates that an
attempt was
made to start the
engine without
the electronic
key being
present, or the
electronic key
was not function-
ing normally.
Start the engine
with the elec-
tronic key
present.
*
Once3 times
(Flashing)
Indicates that a
door other than
the driver’s door
has been opened
and closed with
the “ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
has been taken
out of the detec-
tion area.
Confirm the loca-
tion of the elec-
tronic key.

5
When trouble arises
395
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the “ENGINE START
STOP” switch OFF.
Maintain the engine speed of the second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.STEP2
STEP3
STEP4
STEP5

408
6-1. Specifications
08_IS F_U_(L/O_0808)
Electrical system
Differential
*: “Toyota Genuine Differential Gear Oil” is filled in your Lexus vehicle at factory
fill. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equiva-
lent of matching quality to satisfy the above specification. Please contact your
Lexus dealer for further details.
Battery
Open voltage* at
68 °F (20 °C):12.6  12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(*: Voltage checked 20 minutes after
the engine and all the lights are turned
off)
Charging rates5 A max.
Oil capacity1.42 qt. (1.35 L, 1.19 lmp.qt.)
Oil type and viscosity*“Toyota Genuine Differential Gear Oil
LT 75W-85 GL-5” or equivalent

445
Alphabetical index
08_IS F_U_(L/O_0808)
Electric power steering ....................... 169
Electronic keyIf the electronic key does not operate properly .............................. 391
Emergency flashers Switch ...................................................... 344
Emergency, in case of If the engine will not start ...............388
If the shift lever cannot be shifted from P ................................... 389
If the vehicle has discharged battery.................................................. 394
If the warning buzzer sounds...... 355
If the warning light turns on .......... 355
If the warning message is displayed ............................................ 365
If you have a flat tire ........................ 379
If you lose your keys ........................390
If you think something is wrong..................................................... 351
If the electronic key does not operate properly .............................. 391
If your vehicle becomes stuck ....400
If your vehicle needs to be towed ................................................... 345
If your vehicle overheats................ 397 Engine
ACCESSORY mode......................... 116
Compartment..................................... 286
Engine switch .......................................... 116
Hood ........................................................283
How to start the engine ..................... 116
Identification number ...................... 403
If the engine will not start............... 388
Ignition switch ......................................... 116
Overheating .........................................397
Engine compartment cover ............. 287
Engine coolant Capacity .................................................407
Checking ............................................... 292
Preparing and checking before winter ..................................... 184
Engine coolant temperature gauge......................................................... 131
Engine immobilizer system....................71
Engine oil Capacity ................................................ 406
Checking .............................................. 288
Preparing and checking before winter ..................................... 184
Engine oil maintenance data............290
EPS .............................................................. 169
Event data recorder ............................353E

450
Alphabetical index
08_IS F_U_(L/O_0808)
Tachometer....................................................131
Tail lights
Switch ........................................................ 142
Talk switch*
Telephone switch*
Theft deterrent system
Alarm ...........................................................73
Engine immobilizer system ............... 71
Theft prevention labels .......................... 75
Tire inflation pressure ............................311
Tire information Glossary................................................... 421
Size ............................................................ 418
Tire identification number .............. 418
Uniform tire quality grading ...........419
Tires
Chains ...................................................... 184
Checking .............................................. 300
If you have a flat tire.......................... 379
Inflation pressure....................................311
Inflation pressure sensor............... 300
Information..............................................416
Replacing............................................... 379
Rotating tires ........................................305
Size ...............................................................411
Snow tires ............................................... 184
Tools ........................................................... 379
Total load capacity ................................ 183
Towing Dinghy towing .......................................187
Emergency towing ........................... 345
Trailer towing........................................ 186 TRAC ..........................................................169
Traction control.......................................169
Transmission shift switches....... 122, 124
Trip meter ................................................... 131
Trunk
Extending a space .............................249
Opener ........................................................41
Trunk light
Trunk light ................................................. 42
Wattage ................................................... 412
Turn signal lights Replacing light bulbs ....................... 338
Switch........................................................ 128
Wattage ................................................... 412
Vanity lights Vanity lights.......................................... 238
Wattage ................................................... 412
Vanity mirrors ........................................ 238
VDIM...........................................................169
Vehicle dynamics integrated management .........................................169
Vehicle identification number ......... 403
Vehicle stability control .......................169
VSC .............................................................169T
V