fuses Lexus IS250 2007 Using the audio system / LEXUS 2007 IS350/250 OWNER'S MANUAL (OM53578U)

TABLE OF CONTENTSIndex
iv
• Bottle holders/door
pockets ........................................... 218
3-5. Other interior features............ 219
Sun visors.......................................... 219
Vanity mirror .................................. 220
Clock .................................................. 221
Satellite switches .......................... 222
Ashtrays ........................................... 225
Cigarette lighter ........................... 226
Power outlet ................................... 227
Seat heaters.................................... 228
Seat heaters and ventilators ... 230
Armrest ............................................ 232
Rear sunshade ............................... 233
Extended trunk.............................. 235
Coat hooks ..................................... 236
Floor mat.......................................... 237
Trunk features............................... 238
Garage door opener................... 241
Compass........................................... 246
4-1. Maintenance and care............ 252
Cleaning and protecting
the vehicle exterior................... 252
Cleaning and protecting
the vehicle interior .................... 2544-2. Maintenance.............................. 257
Maintenance requirements ..... 257
General maintenance ................ 259
Emission inspection and
maintenance (I/M)
programs ...................................... 262
4-3. Do-it-yourself
maintenance............................ 263
Do-it-yourself service
precautions .................................. 263
Hood.................................................. 266
Positioning the jack ..................... 267
Engine compartment.................. 269
Tires .................................................. 283
Tire inflation pressure................. 293
Wheels.............................................. 297
Air conditioning filter.................. 299
Electronic key battery ............... 302
Checking and replacing
fuses ............................................... 304
Headlight aim.................................. 318
Light bulbs ........................................ 319
5-1. Essential information .............. 328
If your vehicle needs to
be towed ...................................... 328
If you think something is
wrong ............................................ 335
4Maintenance and care
5When trouble arises

Maintenance and care4
251
4-1. Maintenance and care ......... 252
Cleaning and protecting
the vehicle exterior ................ 252
Cleaning and protecting
the vehicle interior ................. 254
4-2. Maintenance ........................... 257
Maintenance
requirements............................ 257
General maintenance ............. 259
Emission inspection and
maintenance (I/M)
programs ................................... 262
4-3. Do-it-yourself
maintenance ......................... 263
Do-it-yourself service
precautions ............................... 263
Hood............................................... 266
Positioning the jack................... 267
Engine compartment............... 269
Tires ................................................. 283
Tire inflation pressure............... 293
Wheels........................................... 297Air conditioning filter .............. 299
Electronic key battery ............. 302
Checking and replacing
fuses............................................. 304
Headlight aim .............................. 318
Light bulbs..................................... 319

264
4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury,
observe the following precautions.
■When working on the engine compartment:
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel
and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.
ItemsParts and tools
Engine oil level (P. 2 7 2 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used
only for adding engine oil)
Fuses (P. 3 0 4 )• Fuse with same amperage rating as
original
Tire inflation pressure (P. 2 9 3 )• Tire pressure gauge
• Compressed air source
Headlight aim (P. 3 1 8 )• Phillips-head screwdriver
Radiator and condenser (P. 2 7 8 )
Wa s h e r f l u i d (P. 2 8 2 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel

304
4-3. Do-it-yourself maintenance
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 switch OFF.
Remove the engine compartment cover.
P. 2 7 1
Open the fuse box cover.
Engine compartment
(type A)
Push the tabs in and lift the lid
off.
Engine compartment
(type B)
Push the tabs in and lift the lid
off.STEP1
STEP2
STEP3

316
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
13FR DOOR RH20APower windows, outside rear view
mirrors
14AM215ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, Lexus parking assist-sen-
sor, automatic transmission, seat
heater and ventilator
16FR S/HTR RH15ASeat heaters and ventilators
17ECU-IG RH10A
Power seats, smart access system with
push-button start, AWD system, out-
side rear view mirrors, VDIM, VSC,
air conditioning system, pre-collision
seat belt, electric tilt and telescopic
steering, power windows, navigation
system
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (P. 3 1 9 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

317
4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■To prevent system breakdowns and vehicle fire
●Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than indicated, or use any other
object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
●Do not modify fuses or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.

419
Alphabetical index
Fog lights
Switch ........................................................ 125
Wattage ................................................. 394
Foot well lighting .................................. 209
Front fog lights
Switch ........................................................ 125
Wattage ................................................. 394
Front passenger occupant
classification system ............................ 72
Front passenger's seat belt
reminder light ....................................... 341
Front seats
Adjustment ...............................................26
Driving position memory ................. 28
Seat position memory .......................... 31
Front turn signal lights
Wattage ................................................. 394
Fuel
Capacity................................................. 383
Fuel gauge ..............................................109
Fuel pump shut off system ............ 336
Gas station information .................. 427
Information............................................ 395
Refueling ..................................................... 51
Fuel filler door............................................. 51
Fuel pump shut off system ................ 336
Fuses.......................................................... 304
Garage door opener............................ 241
Gas station information ...................... 427
Gauges.......................................................109
Glove box ................................................. 213
Glove box light........................................ 214
Head restraints
Adjusting ..................................................33Headlight aim .......................................... 318
Headlight cleaner .................................. 129
Headlights
Discharge headlights
precautions........................................325
Replacing light bulbs ......................... 319
Switch......................................................... 122
Wattage..................................................394
Heaters
Seat heaters ............................. 228, 230
Side mirror.............................................. 178
Hill-start assist control ......................... 148
Hood .......................................................... 266
Hooks
Cargo ......................................................238
Coat..........................................................236
Shopping bag ......................................238
I/M test...................................................... 262
Identification
Engine....................................................... 381
Vehicle ..................................................... 381
Illuminated entry system ..................... 210
Indicator lights...........................................115
Initialization
Items to initialize .................................... 411
Inside rear view mirror .......................... 42
Interior lights
Interior lights ........................................ 209
Switch.......................................................... 211
Wattage..................................................394
Jack
Positioning the jack ........................... 267
Replacing the wheel ........................ 358
Jack handle............................................. 358
G
H
I
J

421
Alphabetical index
Parking lights
Replacing light bulbs ......................... 319
Switch ........................................................ 122
Wattage ................................................. 394
PCS (Pre-collision system) ................ 154
Personal lights
Switch .......................................................... 211
Micro dust and pollen removal
mode ........................................................ 174
Power outlet ............................................ 227
Power windows.........................................45
Pre-collision system (PCS) ................ 154
Radar cruise control ............................. 133
Radiator.....................................................278
Radio................................................................ 182
RDS (Radio data system)....................183
Rear sunshade....................................... 233
Rear turn signal lights
Replacing light bulbs ......................... 319
Wattage ................................................. 394
Rear view mirror
Compass ............................................... 246
Rear window defogger ........................ 178
Replacing
Electronic key battery ..................... 302
Fuses ........................................................ 304
Light bulbs .............................................. 319
Reporting safety defects for
U.S. owners ........................................... 414
Scuff lighting........................................... 209
Seat belts
Adjusting the seat belt ....................... 35
Automatic Locking Retractor
(ALR) ...................................................... 36Child restraint system
installation............................................. 80
Cleaning and maintaining
the seat belts .....................................255
Emergency Locking Retractor
(ELR) ....................................................... 36
How to wear your seat belt ............. 34
How your child should wear
the seat belt .......................................... 37
Pregnant women,
proper seat belt use ......................... 36
Reminder light ...................................... 341
Seat belt extenders .............................. 37
Seat belt pretensioners ...................... 35
Seat heaters ................................ 228, 230
Seat position memory ............................. 31
Seat ventilators ......................................230
Seating capacity ..................................... 160
Seats
Child seats/child restraint
system installation............................. 80
Cleaning ................................................. 254
Driving position memory .................. 28
Front passenger seat position
memory .................................................... 31
Head restraint ......................................... 33
Properly sitting in the seat ................ 59
Seat adjustment ..................................... 26
Seat adjustment precautions........... 27
Seat heaters ............................. 228, 230
Ventilated seats ..................................230
Service reminder indicators ...............115
Shift lever
Automatic transmission ..................... 101
If the shift lever cannot be
shifted from P ................................... 367
Manual transmission ......................... 105
R
S