2014 Lexus IS F air condition

449
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS F_U■
Passenger’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT RH30 APo w e r s e a t
2DOOR DL15 A
3OBD7. 5 AOn-board diagnosis system
4STOP SW7. 5 A
Stop lights, VDIM, shift lock system,
multiport fuel injection system/
sequential multiport fuel injection sys-
tem, smart access system with push-
button start
5TI & TE20 AElectric tilt and telescopic steering
column
6RAD NO. 310 AAudio system
7GAUGE7. 5 AMeters and gauges
8IGN10 A
SRS airbag system, stop lights, steer-
ing lock system, fuel system, front pas-
senger occupant classification system
9ACC7. 5 A
Clock, air conditioning system, audio
system, navigation system, display,
outside rear view mirrors, smart
access system with push-button start,
glove box light, console box light

450
4-3. Do-it-yourself maintenance
IS F_U
10CIG15 ACigarette lighter
11PWR OUTLET15 APo w e r o u t l e t
12RR DOOR RH20 APo w e r w i n d o w s
13FR DOOR RH20 APower windows, outside rear view
mirrors
14AM27. 5 ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, intuitive parking assist,
automatic transmission, seat heaters,
windshield wiper de-icer
16FR S/HTR RH15 ASeat heaters
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, outside rear view
mirrors, VDIM, air conditioning sys-
tem, pre-collision seat belt, electric tilt
and telescopic steering, power win-
dows, navigation system, headlights,
front fog lights, parking lights, license
plate lights, windshield washer
FuseAmpereCircuit

5
When trouble arises
467
5-1. Essential information
IS F_U
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points
higher than normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

5
When trouble arises
511
5-2. Steps to take in an emergency
IS F_U
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the automatic air
conditioning system.
Check to see if steam is coming out from under the hood.
If you see steam: Stop the engine. Carefully lift the hood after the steam sub-
sides and then restart the engine.
If you do not see steam: Leave the engine running and carefully lift the hood.
Check to see if the cooling fans are operating.
If the fans are operating: Wait until the temperature of the engine (shown on the
instrument cluster) begins to fall and then stop the engine.
If the fans are not operating: Stop the engine immediately and call your local Lexus
dealer.
After the engine has cooled
down sufficiently, check the
engine coolant level and inspect
the radiator core (radiator) for
any leaks.
If the engine compartment
cover needs to be removed:
→P. 4 0 4
STEP1
STEP2
STEP3
STEP4

538
6-1. Specifications
IS F_U
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options
weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer's designation for a rim by
style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle's designated seating capacity
Tire related termMeaning

Index
567
IS F_U
Abbreviation list ..................... 568
Alphabetical index .................. 570
What to do if... .........................581
For vehicles with a navigation system, refer to the “Naviga-
tion System Owner’s Manual” for information regarding
the equipment listed below.
• Navigation system
• Audio/video system
• Air conditioning
• Rear window and outside rear view mirror defogging
•Climate control
• Rear view monitor system
• Intuitive parking assist

570
IS F_U
Alphabetical index
Alphabetical index
A/C* .......................................................... 224
ABS.............................................................. 201
ACCESSORY mode .......................... 138
Air conditioning filter ..........................434
Air conditioning systemAir conditioning filter ....................... 434
Automatic air conditioning system .................................................. 224
Airbags Airbag operating conditions........... 99
Airbag precautions for your child........................................................ 103
Airbag warning light ........................ 470
Curtain shield airbag operating conditions.............................................. 99
Curtain shield airbag
precautions ........................................ 103
Front passenger occupant
classification system....................... 108
General airbag pr ecautions ......... 103
Locations of airbags............................ 96
Modification and disposal of airbags ...................................................107
Proper driving posture ............94, 103
Side airbag operating conditions.............................................. 99
Side airbag precautions .................. 103
SRS airbags ............................................. 96
Alarm ............................................................90
Antenna* .................................................. 242
Anti-lock brake system ....................... 201
Armrest .....................................................356
Ashtrays ..................................................... 351
Assist grips...............................................360
Audio input*............................................ 279
Audio system* Antenna .................................................. 242 Audio input............................................279
AUX port ...............................................279
Bluetooth
® audio ............................. 284
CD player/changer ......................... 245
iPod .......................................................... 260
MP3/WMA disc................................252
Optimal use .......................................... 277
Portable music player ...................... 279
Radio ........................................................ 237
Steering wheel audio switch.......... 281
USB memory ...................................... 268
USB port ...................................260, 268
Automatic air conditioning system* .................................................. 224
Automatic headlight leveling system ......................................................169
Automatic light control system.........166
Automatic transmission Automatic transmission ................... 142
If the shift lever cannot be shifted from P................................... 503
M mode ................................................... 147
AUX port* .............................................. 279
Auxiliary box .......................................... 344
Back-up lights Wattage ................................................. 528
Battery
Checking................................................. 413
If the vehicle has a discharged battery .................................................508
Preparing and checking
before winter...................................... 218
Bluetooth
® audio* ............................... 284
Bluetooth® phone* .............................303
Bottle holders ......................................... 344
A
B