lights Lexus IS250 2006 Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. (OM53508U) Owner's Guide

252
4-2. Maintenance
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal effort or catching)?
Automatic transmission “Park”
mechanism• Can the vehicle be hold securely on an incline with the shift lever in
P?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and correct amount of free play?
Brakes
• Not pull to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers• Function properly?
Lights
• Do all the lights come on?
• Headlights aimed correctly? ( P. 3 0 9 )
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on
an incline?
Seat belts
• Does the seat belt system operate smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate prop- erly?

299
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings■ Engine compartment (type A)
FuseAmpereCircuit
1ABS NO.325AVDIM
2PWR HTR25A
3TURN-HAZ15AEmergency flashers, turn signals
4IG2 MAIN20AIG2, IGN, GAUGE
5RAD NO.230AAudio
6D/C CUT20ADOME, MPX-B
7RAD NO.130AAudio
8MPX-B10A
Headlights, front fog lights, parking
lights, license plate lights, windshield
washer, horn, power door lock system,
power windows, power seats, electric
tilt and telescopic steering column,
meter, smart access system with push-
button start, outside rear view mirrors,
air conditioning system, security sys-
tem
9DOME10AInterior lights, meter

301
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
27GLW PLG250 APTC heater
28E/G-AM60 AHeadlight cleaners, front fog lights,
parking lights, air conditioning system
29LH J/B-AM80 A
S/ROOF, FR P/SEAT LH, TV NO.1,
A/C, FUEL/OPEN, PSB, FR WIP,
H-LP LVL, LH-IG, ECU-IG LH,
PANEL, TAIL, MIR HTR,
FR S/HTR LH

302
4-3. Do-it-yourself maintenance
■Engine compartment (type B)
FuseAmpereCircuit
1FR CTRL-B25AHeadlight high beam, horn
2A/F15AExhaust system
3ETCS10A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
4ALT-S7. 5 ACharging system
5STR LOCK25ASteering lock
6H-LP CLN30AHeadlight cleaner
7A/C COMP7. 5 AAir conditioning system
8DEICER25A
9FR CTRL-AM30AFront fog lights, parking lights, wind-
shield washer
10IG210AIgnition system
11EFI NO.210AFuel system, exhaust system
12H-LP R LWR15AHeadlight low beam (right)
13H-LP L LWR15AHeadlight low beam (left)

303
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
14F/ P M P25AFuel system
15EFI25A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
16INJ20A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
17H-LP UPR15AHeadlight high beams
18HORN10AHorns
19WA S H E R20AWindshield washer
20FR TAIL10AParking lights
21FR FOG15AFront fog lights

304
4-3. Do-it-yourself maintenance
■Driver’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT LH30APo w e r s e a t
2A/C7. 5 AAir conditioning system
3MIR HTR15AOutside rear view mirror defoggers
4TV NO.110ADisplay
5FUEL OPEN10AFuel filler door opener
6TV NO.27. 5 A
7PSB30APre-collision seat belt
8S/ROOF25AElectric moon roof
9TA I L10ATail lights, license plate lights, parking
lights
10PA N E L7. 5 ASwitch illumination, air conditioning
system, display
11RR FOG7. 5 A
12ECU-IG LH10A
Cruise control, air conditioning sys-
tem, power steering, rain sensor, anti-
glare inside rear view mirror, shift lock
system, moon roof, tire inflation pres-
sure warning system
13FR S/HTR LH15ASeat heaters and ventilators

305
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
14RR DOOR LH20APo w e r w i n d o w s
15FR DOOR LH20APo w e r w i n d o w s
16SECURITY7. 5 ASmart access system with push-button
start
17H-LP LVL7. 5 AAFS
18LH-IG10A
Charging system, headlight cleaner,
rear window defogger, electric cool-
ing fans, emergency flashers, turn sig-
nal lights, back-up lights, stop lights,
mirror heaters, sun shade, seat belts,
park assist system, cruise control, air
conditioning system, PTC heater
19FR WIP30AWindshield wipers

306
4-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT RH30APo w e r s e a t
2DOOR DL15A
3OBD7. 5 AOn-board diagnosis system
4STOP SW7. 5 AStop lights
5TI & TE20AElectric tilt and telescopic steering
column
6RAD NO.310AAudio
7GAUGE7. 5 AMeter
8IGN10A
SRS airbag system, Lexus link system,
cruise control, steering lock system,
fuel system
9ACC7. 5 A
Lexus link system, clock, air condition-
ing system, audio, display, outside rear
view mirrors, smart access system
with push-button start
10CIG15ACigarette lighter
11PWR OUTLET15APo w e r o u t l e t
12RR DOOR RH20APo w e r w i n d o w s

307
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
13FR DOOR RH20APower windows, outside rear view
mirrors
14AM215ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, park assist system, auto-
matic 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
safety 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 0 )
●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.

312
4-3. Do-it-yourself maintenance
■Parking lights
Release the lock and remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ Back-up light
Open the trunk door and remove
the trunk panel cover clips.
STEP1
STEP2
STEP3
STEP1