display Lexus IS250 2006 Using the audio system / LEXUS 2006 IS350/250 FROM MAY 2006 PROD. (OM53619U) Workshop Manual

285
4-3. Do-it-yourself maintenance
4
Maintenance and care
■When the initialization of the tire inflation pressure warning system has failed
Initialization can be completed in a few minutes. However, in the following cases,
the settings have not been recorded and the system will not operate properly. If
repeated attempts to record tire inflation pressure settings are unsuccessful, have
the vehicle inspected by your Lexus dealer.
●When operating the satellite switch, the warning light does not flash and the set-
ting message does not appear on the multi-information display. (The tires can-
not be initialized while the vehicle is moving.)
●After driving for approximately 20 mi nutes since the initialization has been
completed, the warning light flashes.
■Routine tire inflation pressure checks
The tire inflation pressure warning system does not replace routine tire inflation
pressure checks. Make sure to check tire inflation pressure as part of your routine
of daily vehicle checks.

308
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

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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

When trouble arises5
321
5-1. Essential information ........... 322If your vehicle needs to be towed........................................... 322
If you think something is wrong .......................................... 329
Fuel pump shut off system .... 330
Event data recorder .................. 331
5-2. Steps to take in an emergency ........................... 333
If a warning light turns on or a warning buzzer
sounds... ...................................... 333
If a warning message is displayed ................................... 338
If you have a flat tire .................. 352
If the engine will not start ...... 360
If the shift lever cannot be shifted from P...................... 361
If you lose your keys ................. 362
When the electronic key battery is discharged ............ 363
If the vehicle battery is discharged ................................ 366 If your vehicle overheats ........ 369
If the vehicle becomes
stuck .............................................. 371

338
5-2. Steps to take in an emergency
If a warning message is displayed
Stop the vehicle immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warnings indicate the possibility of damage to
the vehicle that may lead to an acci dent. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Wa r n i n g m e s s a g eDetails
(Flashing)
Indicates an abnormal engine oil pressure.
The warning light may turn on if the engine oil pres-
sure is too low.
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning li ght turns on again after performing the following
actions, contact your Lexus dealer.

5
When trouble arises
339
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. 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.
Wa r n i n g m e s s a g eDetails
(If equipped)
Indicates a malfunction in the AWD system.
(Flashing and then
continuously on)
Indicates a malfunction in the tire pressure warning
system. ( P. 2 8 0 )
(Flashing)
Indicates a malfunction in the steering lock system.

340
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetails
(If equipped)
Indicates a malfunction in the pre-collision system.
(If equipped)
Indicates Lexus parking assist-sensor malfunction.The malfunctioning assist-sensor is shown flashing on
the display.
(If equipped)
(Flashing)
Indicates a malfunction in the radar cruise control
system.Stop the vehicle in a safe place. Switch the engine
switch to OFF and then to IG-ON mode again to
reset the cruise control system.

5
When trouble arises
343
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. After taking the spec ified steps to correct the suspected
problem, check that the warning message turns off.
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that one or
more of the doors is not
fully closed.
The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more of
the doors is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Make sure that all of the
doors are closed.
Indicates that the hood is
not fully closed.
flashes and a
buzzer sounds to indi-
cate that hood is not fully
closed (with the vehicle
having reached a speed
of 3mph [5km/h]).
Close the hood.

5
When trouble arises
347
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashing and then con-tinuously on)
(If equipped)
(Flashing)Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance.
• Switch the driving mode to either the normal or
PWR mode.
• If the windshield wipers are on, turn them off or
set them to either the
intermittent or the slow
mode.
(Flashing)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode).
Slow the vehicle by apply-
ing the brakes.
■Changing the engine oil (U.S.A. only)
Make sure to reset the oil change system. ( P. 2 6 8 )
■Warning light display in radar cruise mode
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance closes.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed

350
5-2. Steps to take in an emergency
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Once3 times
(For vehicles with an
automatic transmission)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed with the
shift lever in P, the
engine switch in
any mode other
than OFF and the
electronic key
outside of the
detection area.
Turn the engine
switch OFF or
confirm the loca-
tion of the elec-
tronic key.
OnceCon-
tinuous
(Displayed alternately)(For vehicles with an
automatic transmission)
(Flashing)
Indicates that the
driver’s door has
been opened or
closed (with the
shift lever out of in
P, the engine
switch in any
mode other than
OFF and the elec-
tronic key outside
of the detection
area).
• Shift the shift lever to P.
•Confirm the location of the
electronic key.
Once
(Flashing)
Indicates that the
key battery is low.Replace the bat-
tery. ( P. 2 9 7 )