ignition LEXUS LS430 2005 Workshop Manual

GAUGES, METERS AND SERVICE REMINDER INDICATORS
93
(b) Graphic information
13L147
The following graphic information is shown on the
display.
Any door open
 Compass display (if equipped)
 Outside temperature display
 Lexus park assist system display (if equipped)
 Dynamic radar/laser cruise control display (if equipped)
 Blank
If any door is opened, the warning message also reminds you
to close the door. When the ignition is turned on, the previously selected display
appears. Each time you push the “DISP2” button for about 1
to 2 seconds, the display changes from compass (if the
compass is
initially displayed) to outside temperature to blank
screen, then back to compass.
For the compass, see “Compass” on page 105. For the outside
temperature display, see “Outside temperature display” on
page 117.
If you push the main switch of the Lexus park assist system or
turn the ignition on with the main switch of the Lexus park assist
system on, the Lexus park assist system screen appears for
2 seconds and then the multi −information display returns to the
previous screen.
When you push the main switch of the dynamic radar/laser
cruise control, the dynamic radar/laser cruise control screen
appears. Each time you push the “DISP2” switch for 1 to 2
seconds, the screen changes to compass, outside
temperature display, blank screen, and then back to the
dynamic radar/laser cruise control screen. When the display
shows a screen other than dynamic radar/laser cruise control,
the multi −information display returns to the dynamic
radar/laser cruise control screen after 6 seconds. For details,
see “Dynamic radar/laser cruise control” on page 329.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
95
In normal conditions, due to engine oil consumption, this
message may a
ppear earlier than the specified service interval
of the scheduled maintenance. This is because the engine oil
is consumed to the low level within the scheduled maintenance
interval and does not indicate a problem. (For detailed
information, see “Facts about engine oil consumption” on page
450.)
NOTICE
Continued engine operation with low engine oil will
damage the engine.
w282
This message indicates that the engine oil maintenance
data has been reset. After replacing the engine oil, be sure
to reset the maintenance data.
To reset the data, perform the following operations:
1. Push the “ODO/TRIP” button to change the display to
blank.
2. Turn the ignition switch off.
3. Turn the ignition switch to “ON” with the trip meter
“RESET” button held down.
4. Keep pushing the “RESET” button for longer than 5
seconds after the ignition is turned on.
After the above operation, the master warning light comes
on, a warning tone sounds and the above message
appears to inform you that the engine oil maintenance
data has been reset. (U.S.A. only)

GAUGES, METERS AND SERVICE REMINDER INDICATORS
96
w283
If the driving range exceeds 4,500 miles after the engine
oil maintenance data is reset, the master warning light
comes on, a warning tone sounds and the above message
appears for about 15 seconds when you turn the ignition
switch to “ON”. (U.S.A. only)
This message indicates that the engine oil should be replaced
soon. If the message appears, it is recommended to inspect
the engine oil with the ignition off. For details about inspection,
see “Checking the engine oil level” on page 452.
If the engine oil level is low, engine oil should be replaced.
Have it replaced at your Lexus dealer.
After the engine oil replacement, reset the engine oil
maintenance data and make sure the “Mileage Reset” appears
in the display.
NOTICE
The warning message in the display is based on the
driving range after the engine oil maintenance data
reset. This is not based on the monitoring of dirty
condition of the engine oil.
w284
If the driving range exceeds 5,000 miles after the engine
oil maintenance data is reset, the master warning light
comes on, a warning tone sounds and the above message
appears. (U.S.A. only)
This message indicates that the engine oil should be replaced
as soon as possible. If the message appears, it is
recommended to inspect the engine oil with the ignition off. For
details about inspection, see “Checking the engine oil level” on
page 452.
If the engine oil level is low, engine oil should be replaced.
Have it replaced at your Lexus dealer.
After the engine oil replacement, reset the engine oil
maintenance data and make sure the “Mileage Reset” appears
in the display.
NOTICE
The warning message in the display is based on the
driving range after the engine oil maintenance data
reset. This is not based on the monitoring of dirty
condition of the engine oil.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
97
W43W256
W42W257
W258
W44W259
W46W260
When any door or trunk is open with the ignition switch
turned on, a message appears to let you know which door
or trunk is open. If you continue driving in this condition,
the master warning light flashes and a warning tone
sounds when the vehicle speed exceeds 5 km/h (3 mph).
If any of the above warning messages appears, stop your
vehicle and close the door or trunk securely.
W52W261
If the driver’s door is opened with the ignition switch
turned off and the moon roof opened, the master warning
light flashes, a warning tone sounds and the above
message appears.
When you leave your vehicle, be sure to close the moon roof.
w262
If you start driving with the parking brake applied, the
master warning light flashes, a warning tone sounds and
the above message appears when the vehicle speed
exceeds 5 km/h (3 mph).
If the above warning message appears, stop your vehicle and
release the parking brake.
W48W263
If the vehicle stability control system or the traction
control system malfunctions, the master warning light
and “TRAC OFF” indicator light come on. At this time a
warning tone sounds and the above message appears.
If the message appears, the vehicle stability control system
and traction control system do not work. Although it is no
problem to continue driving, have your vehicle checked by
Lexus dealer as soon as possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
98
w264
When the low tire inflation pressure is detected while
driving, the master warning light comes on, the above
message appears and a warning tone sounds.
If the above message appears and adjust the tire inflation
pressure to the specified level as soon as possible. Push the
tire pressure warning system reset switch for a few seconds
and make sure the warning message goes off. If the message
still remains on, have your vehicle checked by your Lexus
dealer as soon as possible.
w265
If there is a problem electrically in the tire pressure
warning system, the master warning light comes on, the
above message appears and a warning tone sounds. At
this time the multiinformation display indicates which
part causes an error.
Although it is no problem to continue driving with the above
message on the display, have your vehicle checked by your
Lexus dealer as soon as possible.
W266
This message indicates the tire pressure warning system
is initialized. After replacing the tires or wheels, adjust all
4 tires to specified tire inflation pressure and initialize the
tire pressure warning system. To initialize the system,
turn the ignition switch to “ON” and push the tire pressure
warning system reset switch for longer than 3 seconds
with the vehicle stopped. The above message appears.
W269
When the fluid level in the tank becomes very low, the
master warning light comes on, a warning tone sounds
and the above message appears.
Fill the tank as soon as possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
99
w267
When the air conditioning filter should be replaced, the
master warning light comes on, a warning tone sounds
and the above message appears.
If the “Change A/C Filter” appears on the multi−information
display, change the air conditioning filter as soon as possible
because the air filter might have clogged. See “Replacing the
air conditioning filter” on page 249 for details.
w268
If you push the “OFF” button for the front air conditioning
for about more than 4 seconds after the replacement of the
air conditioning filters, the above message appears and
the attention tone sounds to inform you that the data has
been reset.
When you push the “OFF” button for the front air conditioning
for more than 4 seconds before “Change A/C Filter” appears,
the data will be cleared. Do not reset the data before this
message appears.
w500
If 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, the master warning light comes on, a
warning tone sounds and the above message appears.
If you release the switch or key, or turn to “ACC”, all the warning
will turn off. If it is difficult to turn the switch or key, be sure to
push the switch or key while turning the steering wheel slightly
in either direction, and then turn the switch or key.
w271
If the interlock cable for steering lock is faulty, the master
warning light flashes, a warning tone sounds and the
above message appears.
If the above message appears, contact your Lexus dealer as
soon as possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
100
w272
In the following cases, the master warning light flashes, a
warning tone sounds and the above message appears.
A smart key is not detected in the vehicle when you push the
ignition switch. In this case, the above message appears for
5 seconds.
 A smart key is not detected in the vehicle because someone
has taken a smart key outside of the vehicle without turning
off the ignition. At this time, the smart key sounds an alarm.
The above message turns off if you turn the ignition off or the
smart key system detects a smart key in the vehicle.
In addition to either of the above conditions, if you get out from
the vehicle, having a smart key when the ignition switch is in
the “ACC” or “ON” position and the selector lever is in a posit\
ion
other than “P”, “Shift to P Range” and “Key is not Detected”\
appear alternately.
w273
If you get out from the vehicle, having a smart key when
the ignition switch is in the “ACC” or “ON” position and
the selector lever is in a position other than “P”, the
master warning light flashes, a beep sounds inside the
vehicle and the above message appears. When you shift
the selector lever to the “P” position or start driving, the
beeping stops sounding, the above message turns off.
In addition to the above condition, if the smart key system does
not detect a smart key in the vehicle, “Shift to P Range” and
“Key is not Detected” appear alternately.
w274
If the smart key system determines that the electronic
code of the detected key does not correspond to the
registered ID when you push the ignition switch or lock
button on the outside door handle, the master warning
light flashes, a warning tone sounds and the above
message appears for 5 seconds.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
101
w275
If the smart key system determines that the battery
voltage is low (2V to 3V) when the ignition is turned off
more than 20 minutes after turned on, the master warning
light flashes, a warning tone sounds and the above
message appears for 5 seconds.
If the above message appears, the battery needs to be
replaced. Although you can replace the battery referring to
“Replacing the battery (Type A)” on page 42, we recommend
you have it replaced by your Lexus dealer as it is easy to be
scratched.
w276
The above message appears when the high mode in the
electronically modulated air suspension is selected.
However, if the system fails , the master warning light
comes on, a warning tone also sounds and the above
message appears.
Although it is no problem to continue driving, have your vehicle
checked by your Lexus dealer as soon as possible.
w285
If the sensor of the Lexus park assist system is
malfunctioning or a cable is broken when the Lexus park
assist system is on, the master warning light comes on, a
warning tone sounds, the malfunctioning sensor flashes
and the above message appears.
The flashing sensor does not operate properly. Although it is
no problem to continue driving, have your vehicle checked by
your Lexus dealer as soon as possible.
w286
If icicles, snowflakes or mud gets on the sensor of the
Lexus park assist system or it is frozen when the Lexus
park assist system is on, the sensor not be able to detect
an obstacle flashes and the above message appears.
Remove the foreign matter or deice the sensor. If the message
does not appear after cleaning, the system is operating
properly.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
104Dynamic laser cruise control—

The driving pattern selector switch is changed to the
“normal” or “power” position.
 The wipers are stopped or are switched to intermittent
operation. (Including intermittent and stopped wipers in the
“AUTO” position)
 No direct sunlight from the front
In the above conditions, press the control lever upward in the
“RES/ACC” direction and release it. The dynamic laser cruise
control will be restored, however, even after the weather
clears, if the setting operation cannot be performed or if the
warning message still appears, the system might have
malfunctioned. Although it is no problem to continue driving,
contact your Lexus dealer.
w281
If a system malfunction is detected when dynamic
radar/laser cruise control is in the “RADAR READY” mode
or operating, the master warning light comes on, the
“CRUISE” indicator light flashes and a warning tone
sounds. At this time the above message appears.
If this message appears, stop your vehicle in a safe place, turn
the ignition off, and then restart it to reset the system. If the
setting still cannot be made or the same message appears
again, the system might have malfunctioned. Although it is no
problem to continue driving, contact your Lexus dealer.
NOTICE
While you are cruising with the dynamic radar/laser
cruise control on, if the master warning light comes on,
the cruise indicator light flashes, “Check Cruise
System” appears on the multiinformation display and
the warning tone sounds, turn the ignition switch off
and then on again. If the function is cancelled again
after setting or if settings cannot be made, the dynamic
radar/laser cruise control system may be
malfunctioning. Although it is no problem to continue
driving, have your vehicle checked by your Lexus
dealer.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
105
w278
The master warning light comes on, a warning tone
sounds and the above message appears in the following
conditions:
The millimeter wave radar sensor or the grille cover is
dirty.
Clean the grille or sensor with a soft cloth to remove the dirt.
 The precollision seat belts are activated repeatedly for
a short time.
The system turns of f temporarily for overheating protection,
but turns back on after a while.
w277
If there is a problem somewhere in the precollision safety
system, the master warning light comes on, a warning
tone sounds, and the above message appears.
If the above message appears, the pre −collision safety system
may not operate. Contact your Lexus dealer as soon as
possible to service the vehicle.
COMPASS
(Vehicles without Navigation System)
13L149
When the ignition is turned on, the previously selected display
appears. If the compass is not displayed, push the “DISP2”
button several times for 1 to 2 seconds to display the compass.
However if you push the main switch of dynamic radar/laser
cruise control to use dynamic radar/laser cruise control, the
dynamic radar/laser cruise control display appears. To change
to the compass display, push the “DISP2” button for longer
than about 1 second.
The compass indicates the direction in which the vehicle
is heading. The illustration shown above indicates that the
vehicle is heading north.