2011 Lexus IS F check engine light

433
4-3. Do-it-yourself maintenance
4
Maintenance and care
Headlight aim
■Removing the engine compartment cover.
 P. 3 8 5
■ 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.
STEP1
STEP2
STEP3
STEP4
STEP1

5
When trouble arises
459
5-2. Steps to take in an emergency
■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. 5 2 8 )

5
When trouble arises
473
5-2. Steps to take in an emergency
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 sec- onds.)
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
493
5-2. Steps to take in an emergency
■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 do ors with the “ENGINE START
STOP” switch OFF.
Maintain the engine speed of th e second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the ve hicle checked at your Lexus dealer
as soon as possible.STEP2
STEP3
STEP4
STEP5

508
6-1. Specifications
Ignition system
Electrical system
Differential
*: “Toyota Genuine Differential Gear Oil” is put in your Lexus vehicle at the fac-tory. Use Lexus approved “T oyota Genuine Differential Gear Oil” or an equiv-
alent of matching quality to satisfy the above specification. Please contact your
Lexus dealer for further details.
Spark plug
Make
GapDENSO FK20HBR11
0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning the engine.
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 Imp. qt.)
Oil type and viscosity*“Toyota Genuine Differential Gear Oil
LX 75W-85 GL-5” or equivalent

556
Alphabetical index
EngineACCESSORY mode ...................... 130
Compartment .....................................384
Engine switch........................................ 130
Hood......................................................... 381
How to start the engine................... 130
Identification number.......................503
If the engine will not start ...............486
Ignition switch....................................... 130
Overheating.........................................495
Engine compartment cover ............ 385
Engine coolant Capacity .................................................507
Checking ...............................................389
Preparing and checking before winter .................................... 204
Engine coolant temperature gauge....................................................... 146
Engine immobilizer system..................83
Engine oil Capacity ................................................ 506
Checking ...............................................386
Preparing and checking before winter .................................... 204
Engine oil maintenance data........... 388
EPS .............................................................. 187
Event data recorder ............................. 451 First-aid kit storage belt ..................... 345
Floor mat .................................................. 344
Fluid
Brake ......................................................... 391
Washer................................................... 396
Fog lights Switch .......................................................... 161
Wattage ................................................... 512
Footwell lights ..........................................319
Front fog lights Switch .......................................................... 161
Wattage ................................................... 512
Front passenger occupant classification system .......................... 103
Front passenger's seat belt
reminder light ..................................... 456
Front seats Adjustment .............................................. 50
Driving position memory ................... 51
Seat position memory........................ 55
Front turn signal lights Switch ........................................................ 143
Wattage ................................................... 512F

563
Alphabetical index
Warning lightsAnti-lock brake system .................. 454
Brake assist system .......................... 454
Brake system ....................................... 453
Charging system ............................... 454
Electric power steering warning light ..................................... 454
Low fuel level....................................... 456
Malfunction indicator lamp .......... 454
Master warning light ........................ 456
Open door ........................................... 456
Pre-collision system ......................... 454
Pretensioners ...................................... 454
Seat belt reminder light .................. 456
SRS airbags .......................................... 454
Tire pressure warning light........................................................ 456 Warning messages
Automatic transmission fluid ........................................................ 467
Dynamic radar cruise control....................... 465, 467
Engine oil level .................................... 467
Engine oil maintenance .................. 467
Engine oil pressure ...........................464
Engine oil temperature ...................464
Headlight............................................... 465
Hood ........................................................ 467
Intuitive parking assist ......... 465, 467
Moon roof ............................................. 467
Open door ............................................ 467
Parking brake ...................................... 467
Pre-collision system............. 465, 467
Smart access system with push-button start ............................ 473
Steering lock........................................ 465
Trunk ........................................................ 467
Washer fluid ......................................... 467
Washer Checking .............................................. 396
Preparing and checking before winter ....................................204
Switch.........................................................162
Washing and waxing ........................... 366