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DI-518
DIAGNOSTICS - THEFT DETERRENT SYSTEM
DI8AS-01
PRE-CHECK
1. THEFT DETERRENT SYSTEM
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 ev-
ery 6.38 seconds during the one minute alarm time).
There are 2 modes in this system, which are active mode and
passive mode.
All initial setting are performed in active mode. It can be
switched to passive mode by specified operation. (See step 4.
CHANGING METHOD OF PASSIVE MODE)
Condition:
S Any of the doors (Including the engine hood and luggage
compartment door) is unlocked or opened without the
key. *1
S The battery terminal is disconnected and reconnected.
S The system receives panic signal from remote keyless
entry. *2
*1: Only active arming mode.
*2: When the ignition key is not inserted in the key cylinder.
There are 4 conditions in this system which are disarming
condition, disarming preparation condition, arming condition
and alarming condition.
(a) Disarmed state
(1) When a user is near the vehicle.
(2) When the alarming function does not operate.
(3) When theft deterrent function is not performed.
(b) Arming preparation
(1) Time from a user locks a door to be leaves the ve-
hicle.
(2) Time until transferring to armed state.
(3) Theft deterrent function is not performed.
(c) Armed state
(1) When a user leaves the vehicle completely.
(2) When theft deterrent function is possible.
2001 SIENNA (RM787U)
Author : Date : 672
DI-519
DIAGNOSTICS - THEFT DETERRENT SYSTEM
(d) Alarm sounding
Is this condition, once theft is detected, it is informed us-
ing light and sound to people around the vehicle.
Refer to the table for alarming method or time.
Horn
Security horn
Alarming method
Al i th d
Headlight
Taillight
Alarming time 60 seconds
Continuous 0.40 secs. (ON)
Alarming output
0.40 secs. (OFF)
In the arming condition when either of doors is unlocked and
with not key in the key cylinder, force lock signal is output.
2001 SIENNA (RM787U)
Author : Date : 673
DI-520
DIAGNOSTICS - THEFT DETERRENT SYSTEM
2. ACTIVE ARMING MODE
Disarmed state (Key not inserted in ignition cylinder.)
Any of the following conditions is met
D When all doors and engine hood are closed, lock all the doors using a key.
D When all doors and engine hood are closed, lock all the doors using wireless remote function.
D When all doors and engine hood are closed, open and close either of doors and engine hood
then close and lock all doors and engine hood.
Arming preparation
Any of the following conditions is met Any of the following conditions is met
D Close and open either of all doors and D 30 seconds elapse when the engine hood
engine hood. is closed and all doors are locked.
D Lock and unlock either of doors.
D Insert a key into the ignition key cylinder.
D Reconnect the battery.
Armed state
Any of the following conditions is met Any of the following conditions is met
D Unlock the locked doors using the wireless D Either of closed doors opens.
remote function. D Either of locked doors is unlocked by any
D Unlock the locked doors using the key. operation other than key or wireless remote
D Insert the key into the ignition key cylinder function.
and turn the ignition key ON. D The closed engine hood is opened.
D The battery is reconnected.
D Ignition switch turned to ON.
Alarm sounding
In this mode, once theft is detected, it is Any of the following conditions is met
informed using light and sound to people D Unlock the locked doors using the wireless
around the vehicle. remote function.
The alarming time described above passes. D Unlock the locked doors using the key.
D Insert the key into the ignition key cylinder
and turn the ignition key ON.
2001 SIENNA (RM787U)
Author : Date : 674
DI-521
DIAGNOSTICS - THEFT DETERRENT SYSTEM
Indicator light output:
Condition Indicator light
Disarming condition OFF
Arming preparation condition ON
Arming condition OFF
Alarming condition ON
HINT:
Even in disarming condition, the indicator light flash. (Due to the
signal output form immobilizer system). The indicator always
flashes receiving the signal from the immobilizer system at any
time in the arming condition.
Flashing frequency:
0.2 seconds (ON)
1.8 seconds (OFF)
3. PASSIVE ARMING MODE
S This mode can be switched according to the specified op-
eration.
S All initially set modes (when shipped from factory) are ac-
tive mode. (No passive mode)
2001 SIENNA (RM787U)
Author : Date : 675
DI-522
DIAGNOSTICS - THEFT DETERRENT SYSTEM
Disarmed state (A)
Perform any of the following and the system will go to Disarmed state (B):
D Remove the key from the ignition, close the driver's door, then the ignition OFF.
Disarmed state (B)
Perform any of the following and the system Perform any of the following and the system
will return to Disarmed state (A): will go to Arming preparation:
D Push the unlock switch on the wireless D Close all the doors, hood and
remote. luggage compartment door.
D Put the key in the lock on the driver's or the
passenger door and turn it towards unlock.
D Put the key in the ignition.
D Reconnect the battery.
D Turn the ignition from OFF to ON.
Arming preparation
Perform any of the following Perform any of the following and Perform any of the following
and the system the system and the system
will return to Disarmed state will return to Disarmed state (A): will go to Armed state:
(B): D Push the unlock switch on the D Allow 30 seconds to elapse
D Open any of the doors, the wireless with all the doors,
hood or the remote. hood and luggage compart-
luggage compartment door. D Put the key in the lock on the ment door closed.
driver's or the
passenger door and turn it to-
wards unlock.
D Put the key in the ignition.
D Reconnect the battery.
D Turn the ignition from OFF to
ON.
Armed state
Perform any of the following and the system Perform any of the following and the system
will return to Disarmed state (A): will go on to Alarm sounding:
D Push the unlock switch on the wireless D Open any of the doors and allow the entry
remote. delay time to pass.
D Put the key in the lock on the driver's or D Open the hood.
the passenger door and turn it towards D Open the luggage compartment door with
unlock. something other than the key or wireless
D Put the key in the ignition and turn it ON. remote.
D Reconnect the battery.
2001 SIENNA (RM787U)
Author : Date : 676
DI-523
DIAGNOSTICS - THEFT DETERRENT SYSTEM
Alarm sounding
Perform any of the following and the system Perform any of the following and the system
will return to Armed state: will return to Disarmed state (A):
D The alarm sounding period passes. D Push the unlock switch on the wireless
remote.
D Put the key in the lock on the driver's or
the passenger door and turn it towards
unlock.
D Put the key in the ignition and turn it ON.
2001 SIENNA (RM787U)
Author : Date : 677
DI-524
DIAGNOSTICS - THEFT DETERRENT SYSTEM
HINT:
In arming condition either closed door is opened, entry delay
occurs. (14 secs.)
During this time, the mode transfers to disarming condition
when the condition described above * is met.
When the condition is not met, the system judges theft occurs,
the mode transfers to alarming condition.
Close
Door
Open
ON
Indicator
OFF
Alarming output
ON
OFF
Entry delay time
System condition
Arming condition Alarming
condition
Indicator light output:
Condition Indicator light
Disarming condition OFF
Arming preparation condition ON
Arming condition OFF
(Entry delay time) (ON)
Alarming condition ON
HINT:
Even in disarming condition, the indicator light flash. (Due to the
signal output form immobilizer system). The indicator always
flashes receiving the signal from the immobilizer system at any
time in the arming condition.
Flashing frequency:
0.2 seconds (ON)
1.8 seconds (OFF)
2001 SIENNA (RM787U)
Author : Date : 678
DI-525
DIAGNOSTICS - THEFT DETERRENT SYSTEM
S Transfer to active mode:
In each passive mode, when "disarming condition of ac-
tive mode arming preparation transfer condition" is
met, the active mode transfers to each condition. In this
case, active mode continues till disarming condition.
Passive mode when transfer condition is
Active mode transfer condition
met.
Disarming condition Arming preparation condition
Arming preparation condition Arming preparation condition
Arming condition
Arming condition
(After alarming time has elapsed, arming
(During entry delay time)
condition)
After alarming time has elapsed, arming
Alarming condition
condition
2001 SIENNA (RM787U)
Author : Date : 679
DI-526
DIAGNOSTICS - THEFT DETERRENT SYSTEM
4. CHANGING METHOD OF PASSIVE MODE (ON or OFF)
Remove the ignition key from key cylinder.
All the doors are closed and unlocked.
Engine hood is opened.
Any of doors is locked and unlocked by turns Input to the vehicle
3 times by the key or remote control.
Output from the vehicle
Within
20 sec. Driver's side door is opened.
Driver's side knob for door lock is locked and
unlocked 3 times.
Within The system starts force lock at once after 2
2 sec. sec.
Driver's side knob for door lock is unlocked.
Driver's side door is closed and opened 2 Driver's side door is closed and opened 3
Within times to 5 times
30 sec.
3 times 4 times 5 times
Driver's side knob for door lock is locked and
Driver's side knob for door lock is locked and unlocked.
unlocked.
* 0 sec. * 14 sec. * 30 sec.
Within The system starts force lock at once after 2
2 sec. secs. The system starts force lock at once after 2
sec.
PASSIVE MODE OFF PASSIVE MODE ON
HINT:
D Initial mode is PASSIVE MODE OFF.
D If there is a different signal in the middle of changing. It is invalid.
*: Entry delay time
2001 SIENNA (RM787U)
Author : Date : 680
DI-527
DIAGNOSTICS - THEFT DETERRENT SYSTEM
5. ECU TERMINAL VALUES MEASUREMENT BY USING
Hand-held tester
BREAK-OUT-BOX AND HAND-HELD TESTER
(a) Hook up the break-out-box and hand-held tester to the
ECU
vehicle.
(b) Read the ECU input/ output values by following the
prompts on the tester screen.
HINT:
Hand-held tester has a "Snapshot" function.
Break-out-box N09348 This records the measured values and is effective in the diagno-
sis of intermittent problems.
Please refer to the hand-held tester / break-out-box opera-
tor's manual for further details.
2001 SIENNA (RM787U)
Author : Date : 681
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