light lexus LS400 1994 Engine / 1994 LS400: AIR CONDITIONING AND AUDIO

AIR CONDITIONING AND AUDIO
90The automatic air conditioning automatically maintains the set
temperature.
This air conditioning features automatic fan speed and air flow
control which automatically selects the most suitable fan
speed and air flow to control the temperature. The ignition key
must be in the “ON” position.
You may use manual controls to override the automatic
settings.
(a) Climate control
SETTING OPERATION − automatic control
1. Press in the
(AUTO) button.
Air flow quantity, switching of the diffusers, on-off of the air
conditioning, and switching of the air intake between
RECIRCULATED AIR and OUTSIDE AIR are automatically
adjusted. The operation status is shown by each indicator.
When one of the manual control buttons is depressed while
operating in automatic mode, the operation corresponding to
the button depressed is set. Other conditions continue to be
adjusted automatically.
2. Press in the
(TEMP) button and hold it until the
desired temperature is displayed.
(TEMP) button is used to set the desired passenger
compartment temperature. The temperature of air delivered to
the passenger compartment will be controlled automatically
according to the setting. The figures on the panel indicate
degrees Fahrenheit or Centigrade.SETTING OPERATION − manual control
If manual air flow selection is desired −
The outlets from which air is delivered can be selected
manually by pressing in the appropriate air flow control button.
The function of each button is as follows:
FACE button − Directs air flow at face level.
BI-LEVEL button − Directs air flow at face level and at
floor level front and rear. Except in ventilation, the air to the floor
is slightly warmer than air to the face.
FLOOR button − Directs air flow mostly at floor level
frIf cold adont and rear.
FLOOR / WINDSHIELD button − Directs air flow to the
windshield and front side windows as well as floor level front
and rear.
FRONT WINDSHIELD button − Directs air flow mostly
to the windshield and front side windows.
When this button is depressed while operating in automatic
mode, the air conditioning is set to operate and the OUTSIDE
AIR mode is set.
If you push the “FRONT WINDSHIELD” button once again
while in the FRONT WINDSHIELD mode, the mode then
returns to the last mode used.
CAUTION:
Do not use the FRONT WINDSHIELD button during cooled
air operation in extremely humid weather. The difference
between the temperature of the outside air and that of the
windshield could cause the outer surface of the
windshield to fog up blocking your vision.

AIR CONDITIONING AND AUDIO
91 If quick heating or cooling is desired −
Push the “TEMP” button on either side and hold it until
“MAX.HOT” or “MAX.COLD” appears on the display.
If manual fan speed control is desired −
The fan speed can be set to your desired speed by pressing
in the appropriate fan speed control button. The higher the fan
speed is, the more air is delivered. Pressing in the “OFF” button
turns off the fan.
To remove exterior windshield frost, use the high speed
setting.
Stopping the fan −
Press in the
(OFF) button.
The fan stops in automatic mode or manual mode.
If manual switching of air intake is desired −
(AIR INTAKE) button is used to switch the air intake
between the OUTSIDE AIR mode and RECIRCULATED AIR
mode.
With the button in the OUTSIDE AIR mode, the OUTSIDE AIR
mode indicator light will come on and the system will take fresh
outside air into the vehicle.
If quick circulation of cooled air is desired, press in the air
intake control button for RECIRCULATED AIR. The
RECIRCULATED AIR mode indicator light will come on.
For normal use, it is best to keep the air intake control button
for outside air. If recirculated air is used during heating, the
windows will fog up easier.If manual on-off of the air conditioning is desired −
Push the
(A / C) button to turn the air conditioning on and
push it again to turn the air conditioning off.
If the system is used for ventilation, heating in dry weather or
removing the frost or exterior fog on the windshield, press the
air conditioning on − off button once again. This turns off the air
conditioning and improves fuel economy. For year-round
automatic temperature control including cooling and
dehumidifying operation, use the air conditioning.
When the air conditioning compressor does not operate, the
(A / C) button will blink. If the (A / C) button blinks
even when the (A / C) button is pushed again, have the
compressor checked by your nearest Lexus dealer.

AIR CONDITIONING AND AUDIO
102
(a) Playing a cassette tape
1. Put the cassette into the slot, with the tape side to the right
and lightly push it in. The tape player will grasp the cassette
and slide it into place to play. If the radio is on when the cassette
is inserted, the radio will automatically turn off.
If the cassette is already in the slot, push the
(TAPE)
button.
At this time, “TAPE” will appear on the display.
The tape player can also be turned on by pushing the
“PWR.VOL” knob if the tape player was being used when the
system was turned off.
When a metal or chrome equivalent tape is inserted, the player
will automatically adapt to it and “METAL” will appear on the
display.
2. If using a tape recorded with Dolby NR*, push the
(Dolby B.C NR) button to select the Dolby B NR or Dolby C NR
mode. The display will indicate which Dolby noise reduction
system is operating.
The Dolby B NR mode reduces noise for high-pitched tones.
The Dolby C NR mode is also effective for middle tones. For
best sound reproduction, select the same NR mode that was
used to record the tape. To play a tape recorded without Dolby
NR*, push the button until the Dolby NR indicator disappears.
* Dolby noise reduction manufactured under license from Dolby Laboratories
Licensing Corporation. “DOLBY” and the double-D symbol
are trademarks
of Dolby Laboratories Licensing Corporation.
3. Turn the “PWR.VOL” knob to adjust the volume.
4. Select your program. (See “(b) Selecting a program”.)
5. Adjust the tone and sound balance. (See “(d) Adjusting the
tone” and “(e) Adjusting the sound balance” of radio operation.)
6. If desired, other functions may be used for your
convenience. (See “(c) Other tape player functions”.)
7. To turn the player off, push the “PWR.VOL” knob.
8. To eject the cassette, push the
(EJECT) button. As this
is done, the player will turn off. If the radio was on when the
cassette tape was inserted, it will automatically turn on again.
The key can be at any position to eject the cassette.
(b) Selecting a program
1. Push the (PROG) button to select a side to play. The
tape operation indicator display shows you which side is being
played.
The player will automatically reverse directions at the end of
the tape to play the other side.
2. Have a desired program played using either of the following
methods.

AIR CONDITIONING AND AUDIO
104Cassette tape player operating tips
Use only cassette tapes of good quality, having no
damage. Avoid using tapes with a total playing time longer
than 90 minutes.
Using damaged tapes may cause harm to the tape player.
Longer tapes are not recommended because of their thinness.
Be sure that the tape is not slack and that the label is firmly
stuck on the shell before insertion.
Wind the tape firmly by turning the hub with a pencil or the like.
Be careful not to touch the tape surface.
When not in use, take the cassette out of the player, put it
back into its case and store it away from dust, magnets
and direct sunlight.
Leaving cassettes on the dashboard in the sun could damage
your tapes.
Keep the interior mechanism of the cassette player clean.
Once or twice a month, use a wet type cleaning cassette to
clean off tape coating residue accumulated on the head,
capstan and pinch roller.
NOTICE:
Do not oil any part of the player and do not insert
anything other than cassette tapes into the slot, or the
tape player may be damaged.

AIR CONDITIONING AND AUDIO
108(d) Selecting a program
Automatic program selection: Use for direct access to a
desired program.
Push either of the
(TRACK) buttons and hold it until
the desired program track number appears on the display. As
you release the button, the player will start playing the selected
program from the beginning.
Manual program selection:
Push the
(FF) button and hold it to fast forward the disc.
Releasing the button starts the play from that position.
Disc scan selection: Use for disc-to-disc scanning.
Push the
(SCAN) button. With “SCAN” on the display, the
program at the beginning of each disc will be played for 10
seconds. To continue listening to the program of your choice,
push the
(CD) button.
(e) Other compact disc player functions
“RPT” button: Use for automatic repeat of the program
currently being listened to.
Push the
(RPT) button while the program is being played.
As this is done, “RPT” will appear on the display. When the
program is finished, the disc will automatically go back to the
beginning of the program and the program will be played again.
To cancel it, push the button once again.“RAMDOM” button: Use for automatic program selection and
play by the system.
When the
(RANDOM) button is depressed. “RND”
appears on the display and the system selects a program in the
disc which is set and plays it. To cancel it, push the button once
again.
When a program is skipped or the system is inoperative, push
the
(CD) button to reset.
“CD CMP” button: Use for listening to music in noisy
situations.
Push the
(CD CMP) button and hold it until a beep is
heard. “CMP” appears on the display. Small sounds are
emphasized and large sounds muted slightly so that every
sound can be heard clearly.
This function works only in the “CD” mode. To cancel it, push
the button once again and hold it until a beep is heard.
(f) If the player malfunctions
If “WAIT” appears on the display, audio signals of the disc
cannot be read or the system has trouble. Push the
(CD)
button once again.
If the player does not operate, check that the disc surface is not
soiled or damaged. If the disc is O.K., the following two causes
are possible.

Condensation may have occurred on the internal
mechanism of the player.
Open the trunk to let air circulate.

AIR CONDITIONING AND AUDIO
11 0
Correct
Wrong
Do not allow the disc to bear any fingerprints, stickers or
pen marks on the surfaces.
Hold the disc only on the edge or center hole.
When not in use, take the disc out of the player, put it back
into its case and store it away from dust, heat, damp and
direct sunlight.
Leaving discs on the dashboard in the sun may damage or
warp them.If the disc gets dirty, wipe it clean with a soft cloth, wiping
radially out from the center.
Do not use a conventional record cleaner or anti-static record
preservative.
CAUTION:
Compact disc players use invisible laser beams which
could cause hazardous radiation exposure if directed
outside the unit. Be sure to operate the player correctly as
instructed.

AIR CONDITIONING AND AUDIO
11 3
Indicator light
Once the system is set, the indicator light turns on and off with
the ignition switch in “OFF” and “SEC” will appear each time
the key is turned to the “ACC” position.
To change the identification number for some reason, cancel
the system (See “(b) Cancelling the anti-theft system”.) and set
it again with a new number.
The system will be activated if the electrical power source is
disconnected from the radio unit. When the system is
activated, the audio system cannot be turned on even after the
power supply resumes and “SEC” will appear on the display.
If this happens, such as when the battery is discharged, see
“(c) If the anti-theft system is activated”.(b) Cancelling the anti-theft system
1. Follow steps 1 to 4 described in “(a) Setting the anti-theft
system”.
2. With your identification number appearing on the display,
press the (SCAN) button and hold it in until “− − −” appears
on the display. “− − −” will go off to indicate the system is
cancelled. If invalid buttons have been used. “Err” will appear
on the display and “SEC” appears. Try again from step 3 in “(a)
Setting the anti-theft system”.
The number displayed with “Err” indicates how many errors
you have made. You may make up to nine errors, but no more!

AIR CONDITIONING AND AUDIO
11 4
Indicator light
NOTICE:
A tenth error will activate the anti-theft system and
“HELP” will appear on the display. The audio system will
be completely inoperable. At this time, the indicator light
also comes on. If this occurs, contact your Lexus dealer.
At the time of resale of your vehicle, cancel the system for the
new owner.(c) If the anti-theft system is activated
Error times (1-9)
The audio system made inoperable by the activated anti-theft
system will be operable if you give it the correct identification
number.
1. Follow steps 3 and 4 described in “(a) Setting the anti-theft
system”.
2. With your identification number appearing on the display,
press the (SCAN) button and hold it in until “SEC” appears
on the display, “SEC” will go off to indicate that the system is
reset and the audio system is operable. If invalid buttons have
been used. “Err” will appear on the display before “SEC”
appears. Try again from the beginning.
See “(b) Cancelling the anti-theft system” for notes on the
number displayed with “Err”.

AIR CONDITIONING AND AUDIO
11 5 The number displayed with “Err” indicates how many errors
you have made. You may make up to nine errors, but no more!
Indicator light
NOTICE:
A tenth error will activate the anti-theft system and
“HELP” will appear on the display. The audio system will
be completely inoperable. At this time, the indicator light
also comes on. If this occurs, contact your Lexus dealer.