ECU LEXUS RC200T 2017 Service Manual

1011-2. Theft deterrent system
1
For safety and security
RC200t_RC F_EE(OM24728E)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modi fied or removed, the proper operation of the system cannot be guaranteed.

1031-2. Theft deterrent system
1
For safety and security
RC200t_RC F_EE(OM24728E)
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
●A locked door or trunk is unlocked or opened in any way other than using the
entry function or wireless remote control. (The door will lock again automati-
cally.)
●The hood is opened.
●The intrusion sensor detects something moving inside the vehicle. (Example:
an intruder breaks a window and gets into the vehicle.) (if equipped)
●The tilt sensor detects a change of vehicle inclination. (if equipped)
Close the doors, trunk and hood, and
lock both side doors using the entry
function or wireless remote control.
The system will be set automatically
after 30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Alarm

: If equipped
The alarm
Setting the alarm system

1051-2. Theft deterrent system
1
For safety and security
RC200t_RC F_EE(OM24728E)
■Triggering of the alarm
The alarm may be triggered in the following situations: (Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically lock to
prevent improper entry into the vehicle:
●When a person remain ing in the vehicle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the battery
●The doors or trunk are unlocked using the mechanical key.
●A person inside the vehicle opens a door, thetrunk or hood, or unlocks the vehicle using a
inside lock button.
●The battery is recharged or replaced when the vehicle is locked. ( P. 657)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modi fied or removed, the proper operation of the system cannot be guaranteed.

1061-2. Theft deterrent system
RC200t_RC F_EE(OM24728E)
●The intrusion sensor detects intruders or movement in the vehicle.
●The tilt sensor detects changes in vehicle inclination, such as when the vehicle
is towed away.
This system is designed to deter and pr event vehicle theft but does not guarantee
absolute security against all intrusions.
■Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically when the alarm is
set. ( P. 103)
■Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle, make sure to
disable the intrusion sensor and tilt sensor before setting the alarm, as they will
respond to movement inside the vehicle.
Turn the engine switch off.
Press the intrusion sensor and tilt
sensor cancel switch.
Press the switch again to re-enable the intrusion sensor and tilt sensor.
Each time the intrusion sensor is canceled/set, a message will beshown on the multi-information dis-
play in the instrument cluster.
Intrusion sensor (if equipped) /Intrusion sensor and tilt sensor (if
equipped)
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2

1071-2. Theft deterrent system
1
For safety and security
RC200t_RC F_EE(OM24728E)
■Canceling and automatic re-enabling of the intrusion sensor and tilt sensor
●The alarm will still be set even when the intrusion sensor and tilt sensor are canceled.
●After the intrusion sensor and tilt sensor are canceled, pressing the engine switch or unlocking the doors using the entry function or wireless remote control will re-enable
the intrusion sensor and tilt sensor.
●The intrusion sensor and tilt sensor will automatically be re-enabled when the alarm system is deactivated.
■Intrusion sensor dete ction considerations
The sensor may trigger the alarm in the following situations:
●Places with extreme vibrations or noises, or situations in which the vehicle is subject to repeated impacts or vibrations:
• When parked in a parking garage • When ice adhering to the vehicle is removed• When the vehicle is in an automatic or high-pressure car wash
• When in a hail or lightning storm
●A window or the moon roof is open. In this case, the sensor may detect the follow-ing:
• Wind or the movement of objects such as leaves and insects inside the vehicle• Ultrasonic waves emitted from devices
such as the intrusion sensors of other vehi- cles• The movement of people outside the vehi-
cle
●Unstable items, such as dangling accessories
or clothes hanging on the coat hooks, are in the vehicle.

1132. Instrument cluster
2
Instrument cluster
RC200t_RC F_EE(OM24728E)
The indicators inform the driver of the operating state of the vehicle’s various sys-
tems.
Indicators
Turn signal indicator ( P. 260)(if equipped)
Dynamic radar cruise con- trol indicator ( P. 298)
Tail light indicator
( P. 264)
Cruise control “SET” indica-
tor ( P. 294, 298)
Headlight high beam indi- cator ( P. 264)(if equipped)
LDA (Lane Departure Alert) indicator ( P. 314)
(if equipped)
Automatic High Beam indi- cator ( P. 267)

(if equipped)
Lexus parking assist-sensor indicator ( P. 321)
(if equipped)
Front fog light indicator ( P. 271)
*1, 2 Slip indicator ( P. 350)
Rear fog light indicator ( P. 271)
*1VSC OFF indicator ( P. 352)
(if equipped)
Gear Shift Indicator
( P. 257)
*1, 8TRC OFF indicator
( P. 351)
*1
(if equipped)
Stop & Start indicator ( P. 285)
*1, 3
(if equipped)
Pre-crash safety system warning light ( P. 357)
*1
(if equipped)
Stop & Start cancel indicator ( P. 287)
*4, 6
(if equipped)
BSM (Blind Spot Monitor) outside rear view mirror
indicators ( P. 364)
Cruise control indicator ( P. 294, 298)
*7Security indicator ( P. 92, 103)

1603-1. Key information
RC200t_RC F_EE(OM24728E)
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside the card key should be used only if a problem arises, such as when the card key does not operate properly.
●If it is difficult to take out the mechanical key, push down the lock release button using apen tip etc. If it is still difficu lt to pull it out, use a coin etc.
■When required to leave the vehicle’s key with a parking attendant
Set the luggage security system ( P. 171) on and lock the glove box (P. 496) as cir- cumstances demand.
Remove the mechanical key for your own use and provide the attendant with the elec- tronic key only.
■If you lose your mechanical keys
New genuine mechanical keys can be made by any authorized Lexus dealer or repairer, or another duly qualified and equipped professional using the other mechanical key andthe key number stamped on your key number plate. Keep the plate in a safe place such
as your wallet, not in the vehicle.
●To store the mechanical key in the card key, insert it while pressing the lock release button.
●If the battery cover is not installed and the bat-tery falls out or if the battery was removedbecause the key got wet, reinstall the battery
with the positive terminal facing the Lexus emblem.

164
RC200t_RC F_EE(OM24728E)
3-2. Opening, closing and locking the doors and trunk
◆Smart entry & start system
Carry the electronic key to enable this function.
Grip the door handle to unlock
the doors.
Make sure to touch the sensor on the back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are locked.
Touch the lock sensor (indenta-
tion on the side of the door han-
dle) to lock the doors.
Check that the door is securely locked.
◆Wireless remote control
Locks both side doors
Check that the door is securely locked.
Press and hold to close the windows and moon roof.*
Unlocks both side doors
Press and hold to open the windowsand moon roof.*
*: These settings must be customized at
any authorized Lexus dealer or
repairer, or another duly qualified
and equipped professional.
Doors
Unlocking and locking the doors from the outside
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2
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2

1653-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC200t_RC F_EE(OM24728E)
■Operation signals
The emergency flashers flash to indicate th at the doors have been locked/unlocked. (Locked: once; Unlocked: twice)
A buzzer sounds to indicate that th e windows and moon roof are operating.
■Security feature
If a door is not opened within approximately 30 seconds after the vehicle is unlocked, the security feature automatically locks the vehicle again.
■Welcome light illumination control
The front position, tail and license plate lights automatically turn on at night when the doors are unlocked using the entry function or wireless remote control if the light switch
is in the “AUTO” position.
■When the door cannot be locked by the lock sensor on the surface of the door handle
■Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the door to stop the buzzer, and lock the vehicle once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm system. ( P. 103)
■If the smart entry & start system or the wireless remote control does not operate prop- erly
Use the mechanical key and/or inside lock buttons to lock and unlock the doors. ( P. 650) Replace the key battery with a new one if it is depleted. ( P. 563)
Use your palm to touch the lock sensor.

1713-2. Opening, closing and locking the doors and trunk
3
Operation of each component
RC200t_RC F_EE(OM24728E)
Using the trunk grip, lower the trunk
without applying force to the side and
push the trunk down from the outside
to close it.
To protect luggage stored in the trunk against theft, the luggage security system
can be set to on.
RC200t: Move the luggage security
system levers to the lock position.
To lock a luggage security system lever from inside the cabin, fold the rear
seatback forward, move the lever to the lock position, and return the seatback toits original position.
RC F: Close the inside trunk door. ( P. 503)
To disable the trunk opener, turn the
main switch in the glove box off.
On
Off
When the main switch is off, the trunk
lid cannot be opened even with the wireless remote control or entryfunction.
When closing the trunk
Luggage security system
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2
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