display LEXUS LS430 2006 Service Manual

306
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
IG230SRS airbag system, Engine immobilizer sys-
tem, Steering lock system, Starting system
HAZ15Emergency flashers
ST R LO C K7. 5Steering lock system
AM27. 5All components in "STA" and "IG2", Start -
ing system
MPX-B17. 5
Power door lock system, Engine immobi -
lizer system, Steering lock system, Front
power seat, Rear power seat
MPX-B37. 5
Tilt and telescopic steering, Headlight
switch, Windshield wiper and washer
switch, Turn signal switch
DOME10
Vanity lights, Outer foot lights, lgnition
switch light, Clock, Gauges and meters,
Interior lights, Personal lights
MPX-B27. 5Gauges and meters, Vehicle stability con -
trol system, Illuminated entry system, TEL
P RR-IG10Refreshing seat
H-LP LVL7. 5Headlight leveling system, Adaptive Front
Lighting System (AFS)
P- I G7. 5Rain sensor, Air conditioning system, Moon
roof, Multi-information display, Clock
P S/HTR15Seat heater, Climate control seat system
P- ACC7. 5
Air conditioning system, Audio system,
Clock, Multi-information display, Illumi -
nated entry system
P- C I G15Front cigarette lighter
RADIO NO.17. 5Audio system
RR DOOR LH20Power door lock system, Power window,
Door closer system, Door courtesy lights
P DOOR25
Power door lock system, Power rear view
mirror control system, Outside rear view
mirror defogger, Door closer system, Door
courtesy lights, Power windows
TEL7. 5Audio system, Navigation system
P B/ANC5Seat belts, Seat belt buckle illumination
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332
5-2. Steps to take in an emergency
*1Open door warning buzzer:
( P.328)
Front passenger’s seat belt
reminder warning light
Warns the front passenger
to wear their seat belt.Wear the seat belt.
Master warning light
Indicates a malfunction in
any system in the vehicle
A message appears on the
multi-information display
See “If a warning mes -
sage appears...”.
(  P. 3 3 4 )

334
5-2. Steps to take in an emergency
If a warning message appears...
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Warning message and lightDetails
Engine oil pressure warning
Indicates abnormal oil pressure.
This warning message may appear it the level of
engine
oil is low. The message should disappear
after checking the oil and adding oil.
If a warning message appears on the multi-information display, check to see
what the problem is and take appropriat e measures referring to the following
table.
Master warning light
Comes on or flashes when a warn -
ing message appears on the multi
information display
. (The warning
light may not come on or flash,
depending on the system. In this
case only the message will be dis -
played.)
Multi information display
1
2

5
When trouble arises
335
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Warning message and
lightDetails
(flashes)
Brake wear warning
Indicates that your brake pads have worn down
enough to require replacement.
and
VSC and TRAC warning
Indicates a malfunction in the vehicle stability
control system or the traction control system.
These systems do not work while the warning
message is displayed, however, it is no problem
to continue normal driving.
Tire pressure warning system failure warning
Indicates a malfunction in the tire pressure
w
arning system. The system does not work
while the warning message is displayed, how -
ever, it is no problem to continue normal driving.
(flashes)
Steering lock cable failure warning
Indicates that the interlock cable for the steer -
ing lock is faulty.

336
5-2. Steps to take in an emergency
Warning message and lightDetails
Electronically modulated air suspension warning
Indicates a malfunction in the electronically
modulated air suspension system. The system
is not functioning while the warning message is
displayed. However, you can continue driving
until you reach a Lexus dealer.
Lexus park assist system warning
A sensor is malfunctioning or a cable is broken.
Th
e system is not functioning while the warning
message is displayed. However, you can con -
tinue driving until you reach a Lexus dealer.
• The faulty sonar is indicated on the graphic information display.
and
(flashes)
Dynamic radar/ laser cruise control system
warning
Indicates a malfunction in the dynamic radar/
laser cruise control system or the cruise control
system. Stop your vehicle in a safe place, turn
the ignition switch off and then on again to reset
the system. If settings cannot be made or the
same warning appears again, the system may
have malfunctioned. You may continue driving,
however contact your Lexus dealer.
Pre-collision safety system warning
Indicates a malfunction in the pre-collision
safety
system. The system is not functioning
while the warning message is displayed. How -
ever, you can continue driving until you reach a
Lex
us dealer.

5
When trouble arises
339
5-2. Steps to take in an emergency
Warning message and lightDetailsCorrection procedures
Steering lock warning
This message comes
on when you push
the ignition switch or
insert the smart key,
and hold the switch
or key in the "LOCK"
position for more
than 3 seconds.Turn the ignition switch
from "LOCK" to "ACC"
while moving the steer-
ing wheel slightly left to
rig
ht. ( P.94
)
Lexus park assist sys-
tem warning
Foreign matter (ice,
snow, mud, etc.,) has
adhered to the sonar.Remove the foreign mat -
ter or deice the sonar.
(The faulty sonar is indi -
cated on the graphic
information display
.)

5
When trouble arises
343
5-2. Steps to take in an emergency
NOTICE
■While the engine oil level warning is displayed
Continued engine operation with low engine o
il will damage the engine.
■Engine oil maintenance massage
The two warning messages are based on the pr
ojected driving range after engine
oil maintenance massage is reset.
The system does not monitor the purity of the engine oil.

344
5-2. Steps to take in an emergency
Smart access system failure warnings
To prevent incorrect operation, your Lexus is equipped with alarms inside
and outside, as well as warning messa ges in the multi-information display,
to alert you to problems involving the smart access system.
Inside alarmOutside alarmMulti-information displayCausesCorrection
procedures
BuzzerNoneNone
A door is
opened with -
out turning OFF
the ignition
switch.
Close the door
or turn off the
ignition switch
None
Beep
(two sec-
onds)
None
An attempt is
made to lock
the door(s)
while the mas-
ter key is still in
the vehicle or
the ignition
switch is ON.Shift to P range.
None
Beep
(ten sec-
onds)
None
An attempt is
made to lock a
door that is ajar,
or lock the mas-
ter key in the
trunk.
Bring the mas -
ter key to the
vehicle.
BeepNone
A door is
opened with-
out turning off
the ignition
switch and with
the transmission
selector lever in
a position other
than P.Turn the igni-
tion switch to
"L
OCK" posi -
tion or bring the
master k
ey to
the vehicle.

5
When trouble arises
345
5-2. Steps to take in an emergency
One
buzzerNone(shown for about 5 sec-
onds)
The master key
is not in the
vehicle when
the ignition
switch is
pushed while in
the LOCK posi-
tion.
Bring the mas-
ter key to the
vehicle.
One
buzzer3 beeps
A door is
opened and
closed while the
master key is
not in the vehi-
cle with the
ignition switch
in the ACC or
ON position.
Bring the mas-
ter key to the
vehicle.
BeepBeep
&
appear alternately
The driver has
exited the vehi -
cle and closed
the door with-
out turning off
the ignition
switch when the
selector lever is
in a position
other than P.
Shift to P range
or bring the
master key to
the vehicle.
Inside alarmOutside alarmMulti-information displayCausesCorrection
procedures

346
5-2. Steps to take in an emergency
One
buzzerNone(shown for about 5 sec-
onds)
Key battery
charge is insuf-
ficient.
Replace key
battery
(P.295
).
One
buzzerNone(shown for about 5 sec -
onds)
An attempt is
made to use a
key that does
not match the
vehicle.
Use a key that
matches the
vehicle.
Inside
alarmOutside alarmMulti-information displayCausesCorrection
procedures