2005 TOYOTA AVENSIS alarm

B67701
Battery MainEngine Room R/B12
1T7
Theft Warning ECU Assy
G
HORN
B±G*
1
HORN Relay
G±W20
1H11
Horn
(Low) W
H12
Horn
(High)IE1J26
J/C
B
HORN5 Engine Room R/B No. 2
B G G
32
2 2 2
5
W
1
1A 1
1 3
3
B±G*
1
B*2
B*2
4A
4B1
1
*
1: Gasoline
*2: 1CD±FTV Engine Room
R/B No. 3 Engine
Room J/B
No. 4
G±W 05±1644
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
HORN CIRCUIT
CIRCUIT DESCRIPTION
When the theft deterrent system is transferred from the armed state to the alarm sounding state, the theft
warning ECU switches on the HORN relay causing the horns to sound. The horn sounds at an interval of
0.4 seconds.
WIRING DIAGRAM
05BAF±01

730G8±01
± THEFT DETERRENT & DOOR LOCKTHEFT DETERRENT SYSTEM
73±31
AVENSIS REPAIR MANUAL (RM1018E)
THEFT DETERRENT SYSTEM
ON±VEHICLE INSPECTION
1. OUTLINE OF THEFT DETERRENT SYSTEM
(a) When the theft deterrent system detects that the vehicle is being tampered with, the system sets off
the alarm, causing the horns to sound and the lights to light up or blink in order to alert people around
the vehicle to the theft.
(b) The theft deterrent system has an active arming mode; a disarmed state, an arming preparation state,
an armed state and an alarm sounding state.
(1) Disarmed state:

The alarm function is not operating.

The theft deterrent system is not operating.
(2) Arming preparation state:

The time until the system goes into the armed state.

The theft deterrent system is not operating.
(3) Armed state:

The theft deterrent system is operating.
HINT:
If the vehicle remains in a condition that sets off the alarm (any door remains open, engine hood remains
open, ignition switch remains directly connected) after the alarm ends, the alarm will be set off repeatedly
a maximum of 10 times for every one of the above specified conditions.
Alarm time: Approx. 27.5 sec. x 10
(4) Alarm sounding state:
When the theft deterrent system detects that the vehicle is being tampered with while in the
armed state, the system causes the horns to sound and the lights to light up or blink in order to
alert people around the vehicle to the theft.
Refer to table below for alarm method and time:
Hazard Warning LampBlinking (Cycle of flasher relay)
Alarm MethodRoom LampIlluminatingAlarm MethodVehicle HornSounding (Cycle of 0.4 sec.)
Self±power SirenSounding (Cycle of 0.4 sec.)
Alarm TimeApprox. 27.5 sec. (Maximum 10 times)
HINT:
If any of the doors are unlocked with no key in the ignition key cylinder during the armed state, a forced door
lock signal will be output (See step 3).

Disarmed state
(No key in ignition key cylinder.)
Continued from next page Continued on next pagePerforming the following will cause the system to go into arming preparation state.

With all doors and engine hood closed, lock all doors by wireless operation.
Arming preparation state
Performing any of the following will cause the
system to return to disarmed state.

Unlock any door by wireless operation.

Unlock any door.

Open any door.

Open engine hood.

Insert key into ignition key cylinder.

Reconnect battery.

Turn ignition switch from OFF to ON.With all doors and engine hood closed,
lock all doors. Allow approx. 27.5 sec.
to elapse.
Performing the following will cause the
system to go into armed state.

73±32
± THEFT DETERRENT & DOOR LOCKTHEFT DETERRENT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2. ACTIVE ARMING MODE
Active arming mode starts the alarm control right when the doors are locked.

Alarm sounding state
Performing the following will cause the
system to return to disarmed state.When the system detects tam-
pering, horns sound and lights
illuminate or blink in order to
alert people around the vehicle
to the theft.
After approx. 27.5 sec., alarm
stops and system returns to
armed state.
Armed state
Performing any of the following will
cause the system to return to dis-
armed state.Performing any of the follow-
ing will cause the system to
go into alarm sounding state.
Alarm sounding state is canceled.Tampering is detected.
Alarm stops and system
returns to armed state.
Continued from previous page Continued on previous page

Insert key into ignition key cylin-
der, turn ignition switch ON and
run engine over 550 rpm for 10
to 12 sec.

Unlock all doors by wireless op-
eration.Directly connect ignition
switch without key (or turn
ignition switch ON without
key).
Open engine hood.

Reconnect battery.

Open any door.



Unlock all doors by wireless operation.
± THEFT DETERRENT & DOOR LOCKTHEFT DETERRENT SYSTEM
73±33
AVENSIS REPAIR MANUAL (RM1018E)

73±34
± THEFT DETERRENT & DOOR LOCKTHEFT DETERRENT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3. FORCED DOOR LOCK CONTROL
(a) The forced door lock control prevents the vehicle from being tampered with. Immediately after a door
is unlocked (alarm starts), the door is forced to lock by a forced door lock signal.
(1) Conditions that force the doors to lock:
When no key is in the ignition key cylinder and 0.4 seconds have elapsed after the previous out-
put of a forced door lock signal, the doors will be forced to lock if any of the following conditions
is present.

The theft deterrent system is in the armed state of active arming mode.

All the doors are locked.Any door is unlocked.

Any door is unlocked.
HINT:
Only Europe:
Forced door lock control does not operate if any door is unlocked by key.
4. ALARM MEMORY FUNCTION
(a) If the alarm is set off (tampering is detected) while the theft deterrent system is set, the alarm memory
function will record it. Whenever you cancel the theft deterrent system, the alarm memory function
causes the taillights to light up for 2 seconds in order to inform you that the alarm has been set off.
(1) Conditions of the alarm memory function that cause the taillights to light up:
When the theft deterrent system has entered into the alarm sounding state (tampering has been
detected) even once, the taillights will light up for 2 seconds if any of the following conditions is
present.

Switched to the disarmed state from the armed state.
5. SECURITY INDICATOR OUTPUT
(a) The theft warning ECU outputs a signal to light up the security indicator, according to the state of the
theft deterrent system. However, some of the actual lighting conditions of the security indicator are dif-
ferent from the outputs of the theft warning ECU.
Output:
State of Theft Deterrent SystemSecurity IndicatorState of Theft Deterrent SystemOutput Signals from Theft Warning ECUActual Lighting Condition
Disarmed stateOFFOFF (Immobiliser system unset)
BLINKING (Immobiliser system set)
Arming preparation stateONON
Armed stateOFFBLINKING
Alarm sounding stateONON
Blinking cycle:
TimeSecurity Indicator
0.2 sec.ON
1.8 sec.OFF
HINT:
When the immobiliser system is set, the security indicator blinks during the disarmed state and the armed
state, due to the output signals from the immobiliser system.

± THEFT DETERRENT & DOOR LOCKTHEFT DETERRENT SYSTEM
73±35
AVENSIS REPAIR MANUAL (RM1018E)
6. INTRUSION (THEFT WARNING) SENSOR
(a) Function of the intrusion sensor:
The intrusion sensor (theft warning redar sensor) senses any moving object by using ultrasonic waves
and outputs the signals to communicate an intrusion to the theft warning ECU so that the theft deterrent
system can set off the alarm.
When the theft deterrent system is switched to the arming preparation state, the intrusion sensor is
supplied with S+B by the theft warning ECU. This causes the theft deterrent system to set off the alarm
when the signal is input from the intrusion sensor in a situation such as the window glass being broken.
(b) Press the intrusion sensor OFF switch.
HINT:
The theft deterrent system can be set (switched to the arming preparation state) with the intrusion sensor
OFF when an animal is left inside the vehicle.
(1) Make sure that the theft deterrent system is in the disarmed state.
(2) Press the intrusion sensor OFF switch once.
HINT:
The intrusion sensor and the OFF switch are provided on the roof console box in the vehicle front interior.
NOTICE:
The intrusion sensor returns to ON (initial state) when the doors are unlocked by the wireless opera-
tion.
7. THEFT WARNING (SELF±POWER) SIREN
(a) The theft warning siren has an internal battery. If any of the vehicle's battery or communication lines
are opened, the theft warning siren detects it by itself and sounds. Although the theft warning siren
usually sounds by receiving a signal from the theft warning ECU usually, the theft warning siren can
sound using its internal battery in case that the vehicle's battery is opened.
(b) The theft warning ECU sends an arming signal to the theft warning siren while transferring to the armed
state, as well as sending a disarming signal to the siren while transferring to the disarmed state. Addi-
tionally, the theft warning ECU can sound the theft warning siren by sending an alarm signal in the
alarm sounding state.

73±2
± THEFT DETERRENT & DOOR LOCKPOWER DOOR LOCK CONTROL SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(d) Check the illumination function.
(1) Set the room light switch in the DOOR position.
(2) With all doors locked, check that all doors unlock when the driver side door lock cylinder is turned
to UNLOCK using the key and that the room right turns on.
(3) Check that the room light turns off in approx. 15 seconds after the doors have not been opened
for a while.
3. w/ Double lock:
CHECK DOUBLE LOCKING FUNCTION SYSTEM
(a) Check that the double locking system is set to ON.
(1) Open all the windows.
(2) Turn the ignition switch to LOCK and remove the key.
(3) Open and close the driver side door, and make sure that all doors including the back door are
closed securely.
(4) Push the LOCK switch on the wireless transmitter twice within 5 seconds, and check that the
hazard warning lights flash once at this time to show that the system is set.
(5) Try to unlock all doors using the inside handle of the vehicle, and check that none of the doors
unlock.
NOTICE:

The double locking system cannot be set to ON without using the wireless transmitter.

The double locking system operation is not related to the back door.
(b) Check that the double locking system is set to OFF.
(1) Push the UNLOCK switch on the wireless transmitter while the double locking system is ON, and
check that the hazard warning lights flash twice at this time to show that the system is set to OFF.
(2) Check that the doors can be opened both by the inside handle and the outside handle.
NOTICE:
If the battery of the wireless transmitter is dead, only the driver side door can be opened using the
key. However, the theft deterrent system still remains on. Therefore, be aware that the theft alarm
is set off when the door is opened without the use of the wireless transmitter.