2010 Lexus GX460 check engine

197
2-2. Instrument cluster
2
When driving
GX460_U.S.A. (OM60E69U)
■The meters and display illuminate when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Instrument cluster brightness adjustment
The instrument cluster brightne ss levels when the tail lights are on and off can be
adjusted.
■The brightness of the instrument cluster lights
When the tail lights are on, the brightness will change. However, when the sur-
roundings are bright (daytime, etc.) turning on the tail lights will not change the
instrument cluster brightness. 
In addition, the brightness of the instrument cluster lights is automatically adjusted
based on the light sensor detecting how bright the surroundings are.
■When disconnecting and reconnecting battery terminals
The trip meter data will be reset. 
If the trip meter was displayed last, the ODO screen will be displayed after reset-
ting.
■Customization
Setting of sensitivity of the ambient light sensor used for dimming the meter lights
can be changed. (Customizable features P. 7 8 1 )
NOTICE
■To prevent damage to the engine and its components
●Do not let the indicator needle of the tachometer enter the red zone, which indi-
cates the maximum engine speed.
●The engine may be overheating if the engine coolant temperature gauge is in the
red zone (H). In this case, immediately stop the vehicle in a safe place, and check
the engine after it has cooled completely. ( P. 744)

201
2-2. Instrument cluster
2
When driving
GX460_U.S.A. (OM60E69U)
*1: These lights turn on when the “ENGINE START STOP” switch is turned to IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the en gine is on, or after a few seconds.
There may be a malfunction in a system if the lights do not come on, or
turn off. Have the vehicle inspected by your Lexus dealer.
*2: The indicator flashes to indicate that the system is operating.
*3: The indicator flashes faster than usual to indicate that the system is oper-
ating.
(if equipped)
Crawl Control indicator 
( P. 323)AIR BAG ON/OFF 
indicator ( P. 1 4 0 )
(if equipped)
Downhill assist control 
system indicator 
( P. 3 2 7 )
(if equipped)
Intuitive parking assist
indicator ( P. 2 5 9 )
“2nd STRT” indicator 
( P. 188)
(if equipped)
“AFS OFF” indicator 
( P. 223)
Low speed four-wheel 
drive indicator light 
( P. 3 1 7 )“RSCA OFF” indicator
(P. 1 3 8 )
Center differential lock 
indicator ( P. 3 1 8 )
(if equipped)
“PCS” indicator 
( P. 3 3 8 )
*1
*1
*1
*1
*1, 3

202
2-2. Instrument cluster
GX460_U.S.A. (OM60E69U)
■Warning lights
Warning lights inform the driver of malfunctions in the indicated
vehicle’s systems. ( P. 6 8 6 , 6 9 8 )
*1: These lights turn on when the “ENGINE START STOP” switch is turned
to IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the en gine is on, or after a few seconds.
There may be a malfunction in a system if a light does not come on, or if
the lights do not turn off. Have the vehicle inspected by your Lexus
dealer.
*2: The indicator flashes to indicate a malfunction.
(U.S.A.)(Canada)(U.S.A.)(Canada)
(U.S.A.)(Canada)(for driver)(for front
passenger)(if equipped)
(if equipped)(if equipped)(if equipped)(if equipped)
(if equipped)
*1*1*1*1*1*1
*1*1*1*1*1, 2*1
*1*2*2*2*1, 2*2*2*2
*2

209
2-2. Instrument cluster
2
When driving
GX460_U.S.A. (OM60E69U)
■Electronic features control can be turned on/off when
“ENGINE START STOP” switch is in IGNITION ON mode.
■System check display
After turning the “ENGINE START STOP” switch to IGNITION ON mode,
“CHECKING” is displayed while system operation is checked. When the system
check is complete, the normal screen will return.
■Conditions for ending electronic features control
In the following situations, the electronic features control will end automatically:
●The menu switch is pressed
●Intuitive parking assist display starts operating
●The Crawl Control is operated
●The dynamic radar cruise control is operated
●LDA (Lane Departure Alert) is operated
●A warning message appears after the electronic features control screen is dis-
played

237
2-3. Operating the lights and windshield wipers
2
When driving
GX460_U.S.A. (OM60E69U)
■The windshield wipers and wa sher can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Rain drop sensor
●If the wiper switch is turned to the “AUTO” position while the “ENGINE START
STOP” switch is in IGNITION ON mode, the wipers will operate once to show
that “AUTO” mode is activated.
●If the temperature of the rain drop sensor is 194 F (90  C) or higher, or 5 F
(-15 C) or lower, the automatic operation may not occur. In this case, operate
the wipers in any mode other than “AUTO”.
■Effects of vehicle speed on wiper operation
With the settings other than “AUTO” also, the time until drip prevention wiper
sweep occurs is changed depending on vehicle speed. 
With selected, wiper operation will be switched from low speed to intermit-
tent wiper operation only when the vehicle is stationary. (However, when the sensor
sensitivity is adjusted to the highest level, the mode cannot be switched.)
■If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the wind-
shield washer fluid reservoir.
●The raindrop sensor judges the amount of
raindrops.
An optical sensor is adopted. It may not
operate properly when sunlight from the
rising or setting of the sun intermittently
strikes the windshield, or if bugs etc. are
present on the windshield.

240
2-3. Operating the lights and windshield wipers
GX460_U.S.A. (OM60E69U)
■The rear window wiper and washer can be operated when
●The “ENGINE START STOP” switch is in IGNITION ON mode.
●The glass hatch is closed.
■If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the wind-
shield washer fluid reservoir.
NOTICE
■When the rear window is dry
Do not use the wiper, as it may damage the rear window.
■When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat.

284
2-4. Using other driving systems
GX460_U.S.A. (OM60E69U)
■The wide view front & side monitor can be operated when
●The “ENGINE START STOP” switch is in IGNITION ON mode.
●The vehicle speed is less than approximately 6 mph (10km/h).
■Automatic system cancelation
In the following situations, the system is canceled automatically.
●When the vehicle speed exceeds approximately 7 mph (12 km/h).
●When the shift lever is in P or R.
■When the outside rear view mirrors have been folded
The side monitor screen can be displayed even if the outside rear view mirrors have
been folded. In this case, there will be a slight difference between the image dis-
played when the outside rear view mirrors are extended and when the outside rear
view mirrors have been folded.
If the side monitor is displayed while the outside rear view mirrors are folded, you
cannot check the area near the front edge of the vehicle as the base of the outside
rear view mirrors will be in the way.

327
2-4. Using other driving systems
2
When driving
GX460_U.S.A. (OM60E69U)
■If the automatic transmission system overheats
The system will cease operation, a buzzer will sound and a warning message will be
displayed to alert the driver. Stop the vehi cle in a safe place until the warning mes-
sage turns off. ( P. 6 9 8 )
■Sounds and vibrations caused by the Crawl Control system
●A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound does not indicate that
a malfunction has occurred in Crawl Control system.
●Either of the following conditions may occur when the Crawl Control system is
operating. None of these are indicators that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
■If the slip indicator comes on...
It may indicate a malfunction in th e system. Consult your Lexus dealer.
CAUTION
■When using Crawl Control
Do not rely solely on the Crawl Control. Th is function does not extend the vehicle’s
performance limitations. Always thoroughly check the road conditions, and drive
safely.
■These conditions may cause the system not to operate properly
When driving on the following surfaces, th e system may not be able to maintain a
fixed low speed, which may result in an accident:
●Extremely steep inclines.
●Extremely uneven surfaces.
●Snow-covered roads, or other slippery surfaces.