Lexus LS400 (2000 year). Manual — part 16
BE0CF–01
BE–146
–
BODY ELECTRICAL
THEFT DETERRENT SYSTEM
2009
PRE–CHECK
1.
ACTIVE ARMING MODE:
SETTING THE THEFT DETERRENT MODE
The system will be automatically set to the theft deterrent mode
about 30 seconds after the setting process listed below are per-
formed.
Setting Processes: (do processes (1)
(4) in the order)
(1)
Remove the ignition key from the key cylinder.
(2)
Close all entry points (door, hood and luggage
compartment door).
(3)
Use any one of the following methods to lock all the
doors depending on a given condition.
Use the key to lock the driver or passenger
side door. (as a result, all the doors(including
the engine hood and luggage compartment
door) will be closed and locked), or
Use the remote control to lock any door (as a
result, all the doors(including the engine
hood and luggage compartment door) will be
closed and locked), or
If the front right or left door is unlocked when
both the rear doors are already locked, lock
and close the remaining unlocked door by
hand (as a result, all the doors(including the
engine hood and luggage compartment door)
will be closed and locked).
Close all doors and locked with the engine
hood or luggage compartment door opened,
and close the engine hood or all the doors(in-
cluding the engine hood and luggage
compartment door) will be closed and
locked).
(4)
About 30 seconds after the above process (3), the
theft deterrent mode will automatically start.
HINT:
The closing/locking of all the entry points (doors, hood and lug-
gage) must remain unchanged for about 30 seconds, the sys-
tem will start the theft deterrent mode.
2.
PASSIVE ARMING MODE:
SETTING THE THEFT DETERRENT MODE
The system will be automatically set to the theft deterrent mode
about 30 seconds after the setting process listed below are per-
formed.
Setting Processes:
(1)
Remove the ignition key from the key cylinder.
(2)
Open and close any entry points (door, hood and
luggage compartment door).
Now, all the entry points are closed.
I00228
0.25
±
0.05 sec.
0.25
±
0.05 sec.
ON
OFF
0.2
±
0.05 sec.
0.55
±
0.05 sec.
ON
OFF
Horns sounding and lights flashing pattern
Output of key lock pattern
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BODY ELECTRICAL
THEFT DETERRENT SYSTEM
BE–147
2010
(3)
About 30 seconds after the above process–(2), the
theft deterrent mode will automatically start.
HINT:
If, while following above steps, you use the key or the remote
control to lock the door, the system will be set to ACTIVE ARM-
ING MODE.
3.
THEFT DETERRENT OPERATION
When the system is set to the theft deterrent mode and any of
the following conditions are met, the system sounds the horns
and flashes the headlights and the taillights for approx. 1 min-
ute. At the same time the system locks all doors (If all door are
not locked at once, the system repeats door locking operation
every 0.55 seconds during the one minute alarm time).
Condition
(1)
Any of the doors (Including the engine hood and
luggage compartment door) is unlocked or opened
without the key. *1
(2)
The battery terminal is disconnected and recon-
nected. *2
(3)
The system receives panic signal from remote key-
less entry. *3
*1: Only active arming mode.
*2: When the ignition key is not inserted in the key
cylinder.
I00229
0.75 ±
0.1 sec.
1.25
±
0.1 sec.
ON
OFF
Blinking Pattern
Security Only:
BE–148
–
BODY ELECTRICAL
THEFT DETERRENT SYSTEM
2011
4.
CANCELLATION OF THEFT DETERRENT OPERA-
TION OR MODE
The theft deterrent operation or mode can be cancelled when
any of the following conditions is met.
No.
Condition
Cancel of Operation
Cancel of Mode
1
Unlock front door with the key
Effective
Effective
2
Unlock doors with remote keyless entry
Effective
Effective
3
Insert key into ignition key cylinder and turn
it to ON position
Effective
Effective
4
About 1 minute passes after theft deterrent
operation begins
Automatic stop *1
–
5
Unlock the luggage compartment door with
the key or keyless entry.
Uneffective
Effective
6
Unlock the luggage compartment door with
the keyless entry.
Uneffective
Effective
7
If the system receives panic signal again or
unlock signal when the system is activated
by panic signal
Effective *2
Uneffective
6
If the system receives unlock signal when
the system is activated by panic signal
Effective
Effective
*1: The system is set to the theft deterrent mode again in
approx. 2 seconds after the operation stops, if all doors
are closed.
*2: The alarm by the panic signal becomes the previous
condition.
5.
INDICATOR LIGHT (LED)
The indicator light functions as shown below according to the
system condition in the theft deterrent mode. It remains off in
the initial state.
System Condition
Indicator Light
During set preparation time
ON
When the mode is set*
OFF
When alarm is activated
ON
When is the system temporally cancelled*
OFF
*: By the following 2 cases, the indicator flashes with the output
from the immobiliser.
6.
KEEPING POWER SUPPLY FUNCTION IN CASE OF
DOME FUSE OPEN
Even if the dome fuse blows open on the theft deterrent mode,
the system will keep working on the theft deterrent mode.
7.
CHANGING METHOD OF PASSIVE MODE (ON or OFF)
Using a hand–held tester, the mode can be changed to the pas-
sive mode.
N09348
ECU
LEXUS hand–held tester
LEXUS Break–out–box
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BODY ELECTRICAL
THEFT DETERRENT SYSTEM
BE–149
2012
8.
ECU TERMINAL VALUES MEASUREMENT BY USING
LEXUS BREAK–OUT–BOX AND LEXUS HAND–HELD
TESTER
(a)
Hook up the LEXUS break–out–box and LEXUS hand–
held tester to the vehicle.
(b)
Read the ECU input/ output values by following the
prompts on the tester screen.
(c)
Please refer to the LEXUS hand–held tester has a ”Snap-
shot” function. This records the measured data and is ef-
fective in the diagnosis of intermittent problems.
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