ABS LEXUS LS430 2006 User Guide

298
4-3. Do-it-yourself maintenance
Blade fuses
If a light does not turn on or if any of the electrical components do not operate,
a fuse may have blown. If this happens check and replace the fuses as neces
-
sary. 
If after replacing the fuse the light stil l
does not illuminate, the bulb may need
replacing.
Turn the ignition switch to the LOCK position.
Open the fuse box cover.
Fuse box inside the engine compartment
Push the tabs in and lift the lid off.
Fuse box inside the driver’s side
kick panel
Pull the tab and remove the lid.

301
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
LUG J/B50
All components in "RR SEAT RH", "RR
SEAT LH", "S/ROOF, "AMP", "RRIG", "RR
ECU-B", "P P/SEAT", "RR S/HTR", "RR S/
SHADE", "RR A/C", "RR ACC", "FUEL
OPN" and "LCE LP", Tail lights and Stop
lights
ABS 250Vehicle stability control system
HEATER50Air conditioning system
ABS 130Vehicle stability control system
DEFOG40Rear window defogger
AIR SUS40Electronically modulated air suspension
system
R/B60
All components in "FR FOG", "TAIL",
"WASHER", "FR IG", "WIP", "H-LP CRN",
and "A/C IG"
FA N80Air conditioning system
D-J/B80
All components in "TI &TE", "DP/SEAT",
"A/C" "OBD", "STOP", "AM1", "MPX-IG",
"ABS-IG", "GAUGE", "AIRSUS", "D S/
HTR", "SECURITY", "PANEL", "D B/
ANC", "POWER OUTLET", "D-CIG", "D
RR-IG" and "D-ACC"
A LT140Charging system
P-J / B80
All components in "RR DOOR RH", "RR
DOOR LH", "D DOOR", "H-LP LVL", "P
DOOR", "P S/HTR", "P-IG", "P-ACC", "P
B/ANC", "P-CIG", "TEL" and "P RR-IG"
B AT T30All components in "RADIO NO.1", "AM2",
"HAZ" and "STR LOCK"
ST30Starting system
D/C CUT20All components in "DOME", "MPX-B1",
and "MPS-B3"
A LT- S5Charging system
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

302
4-3. Do-it-yourself maintenance
■Engine compartment fuse box (with out electronically modulated air
suspension)
FuseAmpereCircuit
ABS 250Vehicle stability control system
HEATER50Air conditioning system
ABS 130Vehicle stability control system
DEFOG40Rear window defogger
AIR SUS40Electronically modulated air suspension
system
FA N50Air conditioning system
R/B60
All components in "FR FOG", "TAIL",
"WASHER", "FR IG", "WIP", "H-LP CRN",
and "A/C IG"
FA N80Air conditioning system
D-J/B80
All components in "TI &TE", "DP/SEAT",
"A/C" "OBD", "STOP", "AM1", "MPX-IG",
"ABS-IG", "GAUGE", "AIRSUS", "D S/
HTR", "SECURITY", "PANEL", "D B/
ANC", "POWER OUTLET", "D-CIG", "D
RR-IG" and "D-ACC"
A LT140Charging system
P-J / B80
All components in "RR DOOR RH", "RR
DOOR LH", "D DOOR", "H-LP LVL", "P
DOOR", "P S/HTR", "P-IG", "P-ACC", "P
B/ANC", "P-CIG", "TEL" and "P RR-IG"
B AT T30All components in "RADIO NO.1", "AM2",
"HAZ" and "STR LOCK"
1
2
3
4
5
6
7
8
9
10
11
12

305
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Fuse box in the front passenger’s side kick panel
FuseAmpereCircuit
MPX-IG7. 5
Tilt and telescopic steering, Power door
lock system, Power seat system, Engine
immobilizer system
D S/HTR15Seat heater, Climate control seat system
AIR SUS20Electronically modula ted air suspension
system
D-ACC7. 5Shift lock system, Theft deterrent system
PWR OUTLET15Power outlet
D-CIG15Rear cigarette lighter
OBD7. 5On-board diagnosis system
AM17. 5Starting system
ABS-IG7. 5Vehicle stability control system
D B/ANC5Seat belts
SECURITY7. 5Theft deterrent system
A/C7. 5Air conditioning system
STO P5Stop lights
D RR-IG10Refreshing seat
5
6
7
8
9
10
11
12
13
14
15
16
17
18

330
5-2. Steps to take in an emergency
If the following warning lights come on, have the vehicle inspected
immediately.
Failing to investigate the cause of the following warnings may lead to a
system operating abnormally and possibly cause an accident. 
Have the vehicle inspected by your Lexus dealer immediately.
Warning lightsWarning light/Details
(U.S.A)
(Canada)
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic en gine contr
ol system;
• The electronic throttle control system; or
• The electronic automatic tr
ansmission con-
trol system.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretension system.
Automatic headlight leveling system and adaptive
front lighting system
Indicates a malfunction in:
• The automatic head light leveling system; or
• The adaptive front lighting system, if the light
flashes.
(U.S.A)
(Canada)
ABS warning light
Indicates a malfunction in:
• The Anti-lock Braking System ABS; or
• The brake assist system.

5
When trouble arises
333
5-2. Steps to take in an emergency
■If the electronic engine control system warning light remains on while driving
First check the following:
• Check fuel level, if the fuel tank is empty, refuel immediately.
• Check the fuel tank cap is loose tighten it securely.
The light will go off after driving regularly for some time.
If the light does not go off even after several trips, contact your Lexus dealer as soon
a
s possible.
■Front passenger detection sensor an d passenger’s seat belt reminder
●If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash and a chime to sound, even if a pas -
senger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.
CAUTION
■If both the ABS and brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The
v

ehicle will become extremely unstable during braking, and the ABS system may
fail, which could cause an accident resulting in death or serious injury.

392
Alphabetical index
Alphabetical index
A/C .............................................................162
ABS ABS ........................................................... 140
Warning light ....................................... 330
Adaptive front lighting system Adaptive front lighting system ........ 112
Warning light ....................................... 330
Air conditioning system Automatic air conditioning 
system .................................................... 162
Air conditioning filters ..................... 289
Rear air conditioning ......................... 172
Airbags Airbag operating conditions........... 62
Airbag precautions 
for your child ....................................... 66
Airbag warning light ........................ 330
Curtain shield air bag operating 
conditions.............................................. 62
Curtain shield airbag 
precautions .......................................... 66
General airbag precautions ........... 66
Locations of airbags.............................. 61
Modification and disposal 
of airbags................................................ 72
Side airbag 
operating conditions ....................... 62
Side airbag precautions .................... 69
Alarm ............................................................ 55
AM/FM radio........................................... 176
Anti-lock brake system Anti-lock brake system.................... 140
Warning light ....................................... 330
Ashtrays ....................................................... 211
Audio system Antenna .................................................... 176Cassette player ....................................
182
CD changer........................................... 185
Optimal use ............................................. 191
Radio ......................................................... 176
Rear controller...................................... 193
Steering switch ..................................... 195
Auto anti-glare mirror ........................... 42
Automatic air conditioning 
system ......................................................162
Automatic headlight leveling 
system Automatic headlight leveling 
system...................................................... 112
Warning light....................................... 330
Automatic light control 
system .........................................................111
Automatic transmission Automatic transmission .................... 98
Auxiliary boxes ...................................... 205
Back-up lights Replacing light bulbs ......................... 314
Wattage .................................................. 372
Battery Checking................................................ 273
If the battery is discharged ........... 356
Preparing and checking  before winter...................................... 149
Brake Brake assist system ............................ 140
Fluid ........................................................... 270
Parking brake........................................ 102
Warning light/buzzer ..................... 328
Brake lights Wattage .................................................. 372A
B

399
Alphabetical index
Warning buzzersBrake system ....................................... 328
Key reminder ............................................. 17
Open door ............................................. 331
Shift range down................................. 100
Warning lights ....................................... 328
ABS .......................................................... 330
Adaptive front lighting 
system.................................................. 330
Automatic headlight 
leveling system ................................ 330
Brake assist system .......................... 328
Brake system ....................................... 328
Discharge .............................................. 329
Malfunction indicator lamp .......... 330
Low fuel level......................................... 331
Open door ............................................. 331
Pretensioners ......................................... 36
Seat belt reminder light .................... 331
SRS airbags .......................................... 330
VSC/TRAC......................................... 335
Warning messages.............................. 334
Washer Checking ................................................ 277
Preparing and checking 
before winter ...................................... 149
Switch .......................................................... 114
Washing and waxing ........................... 244
Weight Cargo capacity .................................... 145
Load limits ............................................... 148
Weight .................................................... 364
Wheels ...................................................... 287
Window glasses........................................ 45
Window lock switch 
(power window) ....................................45 Windows
Power windows ..................................... 45
Rear window defogger.................... 170
Washer ...................................................... 114
Windshield wipers................................... 114
Winter driving tips ................................. 149
Wireless remote control......................... 12W

401
The warning light or 
indicator light comes onP. 3 2 8If a warning light 
turns on
■ Warning lights
P. 3 3 2P. 3 3 0
P. 3 2 8P. 3 3 1
P. 3 2 8P. 3 3 0
P. 3 3 0P. 3 3 0
P. 3 3 0P. 3 2 9
P. 3 3 1
P. 3 3 0P. 3 3 2
P. 3 3 1
Master 
warning light SRS warning light
Brake system warning 
light (U.S.A)Open door 
warning light
Brake system warning 
light (Canada)Malfunction indicator 
lamp (U.S.A)
ABS warning light 
(U.S.A)Malfunction indicator 
lamp (Canada)
ABS warning light 
(Canada)Discharge warning light

Automatic headlight 
leveling system and 
adaptive front lighting 
system warning 
lightDriver’s seat belt reminder 
light
Front passenger’s seat belt
reminder light
Low fuel level warning 
light