sensor LEXUS UX200 2019 Repair Manual

3617-2. Steps to take in an emergency
7
When trouble arises
■Parking brake indicator
■Brake hold operated indicator (warning buzzer)
■Intuitive parking assist OFF indicator (warning buzzer)
■RCTA OFF indicator (warning buzzer)
Warning lightDetails/Actions
(flashes)(U.S.A.)
or
(flashes)
(Canada)
Indicates a malfunction in the parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
(flashes)
(if equipped)
When a buzzer sounds:
Indicates a malfunctio n in the intuitive parking assist function
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavailable, possibly due to a
sensor being dirty or covered with ice, etc.
 Follow the instructions displayed on the multi-information display.
(  P.222)
Warning lightDetails/Actions
(flashes)
(if equipped)
Indicates a malfunction in the RCTA (Rear Cross Traffic Alert) function
 Have the vehicle inspected by your Lexus dealer immediately.

3627-2. Steps to take in an emergency
■PKSB OFF indicator (warning buzzer)
■Low fuel level warning light
■Driver’s and front passenger’s seat belt reminder light (warning buzzer)*
*: Driver’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to al ert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to ON the buzzer sounds for 6 seconds. If the
vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If the seat belt is still
unfastened after 24 seco nds, the buzzer will sound intermitte ntly for 6 seconds. Then, if the
seat belt is still unfastened, the buzzer will sound in a different tone for 90 more seconds.
Front passenger’s seat belt warning buzzer:
The front passenger’s seat belt warning buzzer sounds to alert the front passenger that his
or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of 12
mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Th en, if the seat belt is still unfastened, the buzzer will sound in
a different tone for 90 more seconds.
Warning lightDetails/Actions
(flashes)
(if equipped)
When a buzzer sounds:
Indicates a malfunction in the PK SB (Parking Support Brake) system
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavailable, possibly due to a
sensor being dirty or covered with ice, etc.
 Follow the instructions displayed on the multi-information display.
(  P.367)
Warning lightDetails/Actions
Indicates that remaining fu el is approximately 1.9 gal. (7.1 L, 1.6 Imp.gal.)
or less
 Refuel the vehicle.
Warning lightDetails/Actions
Warns the driver and/or front passe nger to fasten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s seat
belt also needs to be fastened to make the warning light (warning
buzzer) turn off.

3647-2. Steps to take in an emergency
■PCS warning light (warning buzzer)
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■Front passenger detection sensor, seat
belt reminder and warning buzzer
●If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause th e warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the air-
bag sensor assembly, fr ont impact sensors,
side impact sensors (front door), side
impact sensors (front), side impact sensors
(rear), driver’s seat position sensor, driver’s
seat belt buckle switch, front passenger
occupant classification system (ECU and
sensors), “AIR BAG ON” indicator light,
“AIR BAG OFF” indicator light, front pas-
senger’s seat belt buc kle switch, seat belt
pretensioners, airbags, interconnecting wir-
ing and power sources. ( P.30)
■If the malfunction indicator lamp comes
on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving
trips.
If the light does not go off even after several
trips, contact your Lexus dealer as soon as
possible.
■Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient or the voltage temporarily drops, the
electric power steering system warning
light may come on and the warning buzzer
may sound.
■When the tire pressure warning light
comes on
Inspect the tires to check if a tire is punc-
tured.
If a tire is punctured:  P.370, 377
If none of the tires are punctured:
Turn the engine switch off then turn it to
ON. Check if the tire pressure warning light
comes on or blinks.
Warning lightDetails/Actions
(flashes or illumi- nates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Collision System)
 Have the vehicle inspected by your Lexus dealer immediately.
If a buzzer does not sound:
The PCS (Pre-Collision System) has become temporarily unavailable,
corrective action may be necessary.
 Follow the instructions displayed on the multi-information display.
(  P.184, 367)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
 P.192

4128-2. Customization
■Wireless remote control (P.96)
*:If equipped
■Power back door* ( P.102)
*:If equipped
FunctionDefault settingCustomized setting
Wireless remote controlOnOffO
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepOO
Theft deterrent panic modeOnOffO
Reservation lockOnOffOO
The function that activates the
switch of the wire-
less remote control when
locking the door ( P.105)
*
On (Unlocking all
the door)
Off
OOn (Unlocking back door only)
FunctionDefault settingCustomized setting
Power back door operationOnOffO
Power back door opening
position51 to 4O
Buzzer volumeLevel 3Level 1OLevel 2
Operation buzzerOffOnO
Hands Free Power Back
Door (kick sensor)OnOffOO
Hands Free Power Back
Door (kick sensor) when the
engine switch is off
*OnOffO
ABC
ABC

4138-2. Customization
8
Vehicle specifications
■Driving position memory* ( P.123)
*:If equipped
■Outside rear view mirrors ( P.132)
*:If equipped
■Power windows, and moon roof* ( P.135, 137)
*:If equipped
■Automatic light control system ( P.165)
FunctionDefault settingCustomized setting
Selecting doors linked to the
memory recall functionDriver’s doorAll doorsO
Driver’s seat slide movement
when exiting the vehicleFullOffOOPartial
Steering wheel movementTilt only
Off
OOTelescopic only
Tilt and telescopic
FunctionDefault settingCustomized setting
Automatic mirror folding and
extending operation
*
Linked to the
locking/unlock- ing of the doorsOff
OLinked to operation of the engine switch
FunctionDefault settingCustomized setting
Mechanical key linked opera-
tionOffOnO
Wireless remote control
linked operationOffOn (open only)O
Wireless remote control
linked operation signal
(buzzer)
OnOffO
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
ABC
ABC
ABC
ABC

435What to do if... (Troubleshooting)
If you cannot release the shift lever
by depressing the brake pedal with
the engine switch in ON (P.157)
 It is locked automatically to prevent
theft of the vehicle. ( P.152)
 Is the window lock switch pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the window lock switch
is pressed. ( P.136)
 The auto power off function will be
operated if the vehicle is left in ACC
or ON (the engine is not running)
for a period of time. ( P.154)
 The seat belt reminder light is flash-
ing
Are the driver and the front passen-
ger wearing the seat belts?
( P.362)
 The parking brake indicator is on
Is the parking brake released?
( P.160)
Depending on the situation, other types of warning buzzer may also
sound. (
P.358, 367)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm
sounds. ( P.64)
To stop the alarm, turn the engine switch to
ON or start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-
information display. ( P.367)
 When a warning light turns on or a
warning message is displayed, refer
to P.358, 367.
 Vehicles without spare tire: Slow
down the vehicle, drive with extra
caution, and take your vehicle to the
nearest Lexus dealer or authorized
tire dealer as soon as possible to
have the tire replaced. ( P.377)
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
drivingAn alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

438Alphabetical Index
C
Card key ............................................................ 94
CareAluminum wheels ......................................306
Exterior ...........................................................306
Interior .............................................................309
Seat belts........................................................309
Cargo capacity............................................... 147
Cargo hooks .................................................280
Center Display ............................................. 256
Chains ................................................................251
Child-protectors............................................. 101
Child restraint system................................... 44 Fixed with a LATCH system .................. 52
Fixed with a seat belt................................... 48
Front passenger occupant classification system ............................................................. 39
Points to remember .................................... 44
Riding with children ..................................... 44
Types of child restraint system installation method ........................................................... 46
Using an anchor bracket .......................... 54
Child safety ....................................................... 44 Airbag precautions...................................... 35
Back door precautions.............................102
Battery precautions ..................... 326, 385
Child restraint system................................. 44
Heated steering wheel and seat heater precautions.................................................. 271
How your child should wear the seat belt .............................................................................27
Moon roof precautions ............................139
Power window lock switch.....................136
Power window precautions ...................136
Rear door child-protectors ..................... 101
Removed key battery precautions ... 342
Seat belt extender precautions ..............27
Seat belt precautions .................................. 52
Cleaning.............................................. 306, 309 Aluminum wheels ......................................306
Exterior ...........................................................306 Interior ............................................................ 309
Radar sensor ...................................... 180, 215
Seat belts ....................................................... 309
Clock ................................................72, 75, 285
Coat hooks..................................................... 294
Compass .......................................................... 301
Condenser ..................................................... 324
Console box .................................................. 278
Consumption screen .................................... 90
Continuously variable transmission...... 155
Coolant Capacity .........................................................393
Checking ....................................................... 323
Preparing and checking before winter.......................................................................... 249
Cooling system............................................. 323 Engine overheating.................................. 386
Cornering lights ............................................. 167 Replacing light bulbs ................................346
Cruise control Dynamic radar cruise control with full-
speed range ..............................................204
Cup holders ................................................... 278
Current fuel consumption ............................81
Curtain shield airbags .................................. 30
Customizable features ..............................408
D
Daytime running light system ...................165
Deck board ......................................................281
Deck under tray ...........................................280
Defogger Outside rear view mirrors.....................263
Rear window ................................................263
Windshield ....................................................263
Dimension ...................................................... 390
Dinghy towing.................................................. 151
Display BSM (Blind Spot Monitor)......................214
Dynamic radar cruise control with full-
speed range ..............................................204
Head-up display............................................86

Alphabetical Index443
Multi-information display .............................79Audio system-linked display................... 83
Drive information 1/Drive information 2..............................................................................81
Driving information display........................81
Driving support system information dis- play ................................................................... 83
Dynamic radar cruise control with full- speed range .............................................. 204
Eco Driving Indicator ................................. 82
G-force.............................................................. 82
LTA (Lane-Tracing Assist) .................... 198
Menu icons ......................................................80
Meter control switches ................................81
Navigation system-linked display ........ 83
Pop-up display............................................... 79
Settings .............................................................. 84
Suggestion function.....................................85
Units .................................................................... 83
Warning messages .................................. 367
N
Navigation system-linked display... 83, 86
Noise from under vehicle ...............................6
O
Odometer ................................................. 73, 78
Odometer and trip meter display “ODO TRIP” switch ............................74, 78
Display items ...........................................73, 78
Pop-up display.......................................74, 78
“ODO TRIP” switch .............................. 74, 78
Oil Engine oil ....................................................... 392
Opener Back door............................................ 103, 105
Fuel filler door................................................178
Hood..................................................................319
Outside rear view mirrors .........................132 Adjustment...................................................... 132
BSM (Blind Spot Monitor) ..................... 214 Folding.............................................................. 133
Linked mirror functi
on when reversing
........................................................................... 133
Mirror position memory ...........................123
Outside rear view mirror defoggers263
RCTA function ............................................ 227
Outside temperature.............................72, 75
Overheating .................................................. 386
P
Paddle shift switches ......................... 157, 158
Panic mode ....................................................... 96
Parking assist sensors (intuitive parking assist) ............................................................. 220
Parking brake................................................. 160 Operation ....................................................... 160
Parking brake engaged warning buzzer............................................................................162
Warning light ................................................ 361
Warning message .......................................162
Parking lights Light switch .................................................... 165
Replacing light bulbs ................................346
Parking Support Brake function (rear- crossing vehicles) ........................... 231, 240Function ..........................................................240
Parking Support Brake function (static objects) ............................................... 231, 235Function ..........................................................235
PCS (Pre-Collision System) .................... 186 Function ........................................................... 186
PCS OFF switch ......................................... 188
Warning light ...............................................364
Personal lights................................................274
PKSA (Parking Support Alert) ................219
PKSB (Parking Support Brake)...............231 Warning message ..................................... 234
Power back door opener and closer ... 105
Power easy access system ........................123
Power outlets ................................................ 286
Power steering (Electric Power Steering system) .......................................................... 245

Alphabetical Index445
Seat heaters ...................................................272
Seat position memory ............................... 123
Seat ventilators.............................................272
Seat ventilators ............................................... 271
Secondary Collision Brake ..................... 245
Sensor Automatic headlight system.................. 165
Automatic High Beam system............. 168
Inside rear view mirror............................... 131
Intuitive parking assist.............................. 220
LTA (Lane Tracing Assist)......................193
Parking Support Brake function (rear-crossing vehicles) .................................. 240
Parking Support Brake function (static objects)........................................................ 236
Radar sensor.......................................180, 215
Rain-sensing windshield wipers........... 174
RCTA .............................................................. 228
Service reminder message .......................312
Shift lever Continuously variable transmission .. 155
Shift lock system.............................................156
Side airbags ...................................................... 30
Side doors.......................................................... 98
Side marker lights Light switch .................................................... 165
Side mirrors .....................................................132 Adjustment...................................................... 132
BSM (Blind Spot Monitor) ..................... 214
Folding ..............................................................133
Linked mirror functi on when reversing
...........................................................................133
Mirror position memory........................... 123
RCTA function .............................................227
Side turn signal lights Replacing light bulbs................................ 346
Turn signal lever .......................................... 159
Side windows ..................................................135
Smart access system with push-button start.................................................................... 114Antenna location............................................114
Entry functions..................................... 98, 103 Starting the engine ..................................... 152
Snow tires ....................................................... 249
Spare tire Inflation pressure ....................................... 395
Storage location ...........................................371
Spark plug ...................................................... 393
Specifications ................................................ 390
Speedometer ............................................72, 75
Sport mode .................................................... 243
Steering lock Column lock release ................................. 152
Steering lock system warning message........................................................................... 152
Steering wheel Adjustment ......................................................129
Heated steering wheel .............................. 271
Meter control switches ............................... 81
Power easy access system .....................123
Steering wheel position memory.........123
Stop lights Replacing light bulbs ................................346
Storage feature .............................................277
Stuck If the vehicle becomes stuck ............... 388
Suggestion function....................................... 85
Sunshade.......................................................... 138
Sun visors ........................................................ 285
Switches “ODO TRIP” switch ........................... 74, 78
“SOS” button...................................................56
ASC (Active Sound Control) switch 164
Automatic High Beam system ............. 168
Brake hold switch ....................................... 163
BSM (Blind Spot Monitor) switch.......216
Door lock switches ....................................100
Driving mode select switch .................. 243
Driving position memory switches .....123
Dynamic radar cruise control with full-
speed range switch .............................. 205
Emergency flashers switch .................. 350
Engine switch ................................................ 152
Fog light switch .............................................. 171