2011 Lexus IS F engine

376
4-3. Do-it-yourself maintenance
IS F_EEAdding distilled water
Remove the vent plug.
Add distilled water.
If the “UPPER LEVEL” line cannot be seen, check the fluid level
by looking directly at the cell.
Put the vent plug back on and close securely.
Lo O.K
Before recharging
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, before recharging:
If recharging with the battery installed on the vehicle, be sure to discon-
nect the ground cable.
Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the battery.
After recharging/reconnecting the battery
In some cases, the engine may not start. Follow the procedure below to ini-
tialize the system.
Shift the shift lever to P, and turn the “ENGINE START STOP”
switch OFF.
Open and close any of the doors.
Start the engine. (If the engine does not start first time, repeat the
procedure.)
If the engine will not start even after multiple attempts at the above method,
contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
STEP1
STEP2
STEP3
STEP1
STEP2
STEP3

378
4-3. Do-it-yourself maintenance
IS F_EE
Washer fluid
If any washer does not work or
the warning message appears
on the multi-information dis-
play, the washer tank may be
empty. Add washer fluid.
NOTICE
When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
CAUTION
When adding washer fluid
Do not add washer fluid when the engine is hot or running, as washer fluid
contains alcohol and may catch fire if spilled on the engine etc.
NOTICE
Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.

387
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS F_EE
The air conditioning filter must be cleaned or changed regularly to
maintain air conditioning efficiency.
Removal method
Set the air conditioning system to recirculated mode.
(P. 228)
The air conditioning filter case cannot be removed with the
system in the outside air mode.
Turn the “ENGINE START STOP” switch to OFF.
Open the glove box. Lift and
remove the partition.
Remove the filter cover.
Remove the filter case.
STEP1
STEP2
STEP3
STEP4
STEP5

393
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS F_EE
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the “ENGINE START STOP” switch to OFF.
Engine compartment (type B fuse box): Remove the
engine compartment cover. (P. 367)
Open the fuse box cover.
Engine compartment (Left-hand drive vehicles on type A fuse
box)
Push the tabs in and lift the
lid off.
Engine compartment (Right-hand drive vehicles on type A
fuse box)
Push the tabs in and lift the
lid off.STEP1
STEP2
STEP3

394
4-3. Do-it-yourself maintenance
IS F_EE
Engine compartment (type B fuse box)
Push the tabs in and lift the
lid off.
Driver’s side instrument panel
Remove the lid.
Passenger’s side instrument panel
Remove the lid.
After a system failure, see “Fuse layout and amperage
ratings” (P. 397) for details about which fuse to check.
STEP4

396
4-3. Do-it-yourself maintenance
IS F_EE
Removing the front controller (engine compartment: type B fuse
box)
Lift the lid off while pushing
the tabs on either side.
Type C
Normal fuse
Blown fuse
Contact any authorized
Lexus dealer or repairer, or
another duly qualified and
equipped professional.
Type D
Normal fuse
Blown fuse
Contact any authorized
Lexus dealer or repairer, or
another duly qualified and
equipped professional.

397
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS F_EE
Fuse layout and amperage ratings
Engine compartment (type A fuse box)
Left-hand drive vehicles
Right-hand drive vehicles
FuseAmpereCircuit
1A LT- S7.5 ACharging system
2TURN-HAZ15 AEmergency flashers, turn signals
3IG2 MAIN20 AIG2, IGN, GAUGE
4RAD NO. 230 AAudio system
5D/C CUT20 ADOME, MPX-B
6RAD NO. 130 AAudio system

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4-3. Do-it-yourself maintenance
IS F_EEEngine compartment (type B fuse box)
FuseAmpereCircuit
1SPARE30 ASpare fuse
2SPARE25 ASpare fuse
3SPARE10 ASpare fuse
4FR CTRL-B25 AHORN, H-LP HI
5A/F15 AExhaust system
6ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection
system
7TEL10 A
8INJ2 25 A
Multiport fuel injection system/
sequential multiport fuel injection
system
9STR LOCK25 ASteering lock system
10H-LP CLN30 AHeadlight cleaner
11DEICER25 AWindshield wiper de-icer
12FR CTRL-AM30 AFR FOG, WASHER, FR TAIL