OUTLINE OF THEFT DETERRENT SYSTEM
The theft deterrent system can be set/cancelled by locking/unlocking the doors using the following operation:
Entry lock operation
Wireless lock operation
Tech Tips
| w/ Entry Function | w/o Entry Function | |
|---|---|---|
| Entry lock operation | ○ | - |
| Wireless lock operation | ○ | ○ |
○: Available
-: Not available
The alarm function will be activated when someone attempts to forcibly unlock any of the doors or open any of the doors, engine hood or back door while the system is in the armed state.
In the alarm sounding state, the system blinks the hazard warning lights. At the same time, the system sounds the vehicle horn and theft warning siren to deter break-in and theft as well as to warn people around the vehicle.
The theft deterrent system has active arming mode. There are 4 states in this mode; a disarmed state, an arming preparation state, an armed state and an alarm sounding state.
Disarmed state:
The alarm function is not operating.
The theft deterrent system is not operating.
Arming preparation state:
The time until the system goes into the armed state.
The theft deterrent system is not operating.
Armed state:
The theft deterrent system is operating.
Alarm sounding state:
The alarm function is operating.
| Alarm Method | Hazard Warning Lights | Blinking |
| Vehicle Horn | Sounding (approx. 0.4-second cycles) |
|
| Theft Warning Siren | Sounding | |
| Alarm Time | Approx. 27.5 seconds | |
FUNCTION OF MAIN COMPONENTS
| Component | Function |
|---|---|
| Security indicator light | Informs driver of theft deterrent system status. |
| Theft Warning Siren | Sounds when attempted break-in or theft is detected. |
| Hazard warning lights | Blink when attempted break-in or theft is detected. |
| Vehicle horn | Sounds when attempted break-in or theft is detected. |
| Door courtesy light switch | Detects door status (open or closed). |
| Door unlock detection switch | Detects door status (locked or unlocked). |
| Engine hood courtesy switch | Detects engine hood status (open or closed). |
| Back door courtesy light switch | Detects back door status (open or closed). |
| Certification ECU (smart key ECU assembly) |
|
| Intrusion sensor (theft warning ultrasonic sensor) | Sends a signal to the main body ECU (multiplex network body ECU) to sound the alarm when detecting an intrusion. |
| Glass breakage sensor | Sends a signal to the main body ECU (multiplex network body ECU) to sound the alarm when detecting breakage of back door glass. |
ACTIVE ARMING MODE
Active arming mode:
This system operates as described in the diagram below when one of the items for each condition is met.
Tech Tips
The term "all doors" used in this section refers to the driver door, front passenger door, rear door LH, rear door RH and back door.
| Condition | Item |
|---|---|
| Condition [1] | In disarmed state 1, when the power switch is off, the system state is switched if the following condition is met:
|
| Condition [2] |
|
| Condition [3] |
|
| Condition [4] |
Note Ultrasonic waves are used to detect intrusion. Ultrasonic waves do not penetrate steel or glass. When any of the door windows is left open, ultrasonic waves may escape. This may result in the detection of people in the surroundings, leaves or insects entering the vehicle, strong wind or other ultrasonic wave sources in the environment when the vehicle is parked with the door windows open. When parking the vehicle with the door windows open for ventilation, turn off the intrusion sensor (theft warning ultrasonic sensor) using the intrusion sensor cancel switch. |
| Condition [5] |
|
| Condition [6] |
|
| Condition [7] |
|
| Condition [8] |
|
| Condition [9] | In disarmed state 1, when the power switch is off, the system state is switched if the following condition is met:
|
| Condition [10] |
|
| Condition | Item |
|---|---|
| Condition [1] | In disarmed state 1, when the power switch is off, the system state is switched if the following condition is met:
|
| Condition [2] |
|
| Condition [3] |
|
| Condition [4] |
Note Ultrasonic waves are used to detect intrusion. Ultrasonic waves do not penetrate steel or glass. When any of the door windows is left open, ultrasonic waves may escape. This may result in the detection of people in the surroundings, leaves or insects entering the vehicle, strong wind or other ultrasonic wave sources in the environment when the vehicle is parked with the door windows open. When parking the vehicle with the door windows open for ventilation, turn off the intrusion sensor (theft warning ultrasonic sensor) using the intrusion sensor cancel switch. |
| Condition [5] |
|
| Condition [6] |
|
| Condition [7] |
|
| Condition [8] |
|
| Condition [9] | In disarmed state 1, when the power switch is off, the system state is switched if the following condition is met:
|
| Condition [10] |
|
FORCED DOOR LOCK CONTROL
The forced door lock control prevents the vehicle from being tampered with. Immediately after a door is unlocked (armed starts), all doors are forced to lock by a forced door lock signal.
If the following conditions are met, the forced door lock control is operated.
The theft deterrent system is in the armed state.
Any door is unlocked.
GLASS BREAKAGE SENSOR
The main body ECU (multiplex network body ECU) detects breakage of the glass breakage sensor (back door glass). If the main body ECU (multiplex network body ECU) detects breakage of the glass breakage sensor (back door glass) while the theft deterrent system is functioning, it will sound the alarm for 27.5 seconds.
INTRUSION SENSOR (THEFT WARNING ULTRASONIC SENSOR)
Note
Ultrasonic waves are used to detect intrusion. Ultrasonic waves do not penetrate steel or glass. When any of the door windows is left open, ultrasonic waves may escape. This may result in the detection of people in the surroundings, leaves or insects entering the vehicle, strong wind or other ultrasonic wave sources in the environment when the vehicle is parked with the door windows open. When parking the vehicle with the door windows open for ventilation, turn off the intrusion sensor (theft warning ultrasonic sensor) using the intrusion sensor cancel switch.
An intrusion sensor (theft warning ultrasonic sensor) is provided in the map light assembly located in the front of the vehicle interior.
The main body ECU (multiplex network body ECU) activates the intrusion sensor (theft warning ultrasonic sensor) when the system changes from the disarmed state to the arming preparation state. If an intrusion detection signal is input from the intrusion sensor (theft warning ultrasonic sensor) during the armed state, the main body ECU (multiplex network body ECU) changes to the alarm sounding state in order to output an alarm.
When the system is in the disarmed state, the function of the intrusion sensor (theft warning ultrasonic sensor) can be disabled by pressing the intrusion sensor cancel switch.
The intrusion sensor (theft warning ultrasonic sensor) may erroneously detect intrusion in the following states:
Persons or pets are in the vehicle.
The vehicle is parked in a place where extreme vibrations or noises occur, such as in a parking garage.
Ice or snow is removed from the vehicle, causing the vehicle to receive repeated impacts or vibrations.
The wind or something similar causes an externally mounted reflectively coated windshield cover to move.
The intrusion sensor (theft warning ultrasonic sensor) may react to a hanger or other objects hanging in the cabin when they drop or swing.
The system changes to the armed state even when any of the windows is open. The intrusion sensor (theft warning ultrasonic sensor) may react to objects moving outside the vehicle when any of the windows is open.
The vehicle is inside an automatic or high-pressure car wash.
The vehicle experiences impacts, such as hail, lightning strikes and other kinds of repeated impacts or vibrations.
THEFT WARNING SIREN
The theft warning siren has an internal battery. If power to the theft warning siren is interrupted or any of the communication lines are open, the theft warning siren detects it and sounds the alarm using the internal battery.
The theft warning siren has the following alarm controls: normal alarm control and open circuit alarm control. Under normal alarm control, the alarm sounds based on instructions from the main body ECU (multiplex network body ECU) whereas under open circuit alarm control, the theft warning siren judges current security conditions and sounds the alarm by itself.
Normal alarm control
The theft warning siren sounds when the theft deterrent system is in the alarm sounding state and does not sound when the system is not in the alarm sounding state.
Tech Tips
If communication interruption between the theft warning siren and main body ECU (multiplex network body ECU) continues for 70 seconds or more while the theft deterrent system is in the alarm sounding state, the theft warning siren stops sounding.
Open circuit alarm control
The theft warning siren changes between the disarmed state and armed state in accordance with the theft deterrent system changes between the disarmed state and armed state. If a power source, ground or the communication line is open while the theft warning siren is in the armed state, the theft warning siren sounds.
During the open circuit alarm sounding state, the theft warning siren sounds intermittently for 27.5 seconds and then stops for 5 seconds and this pattern repeats a maximum of 9 times.
The intermittent sound will stop when either condition is met:
1. The theft warning siren changes to the disarmed state.
2. The open circuit is returned to normal.
SECURITY INDICATOR LIGHT OUTPUT
Tech Tips
When the immobiliser system is set, the security indicator light blinks during both the disarmed state and the armed state, due to output signals from the immobiliser system.
According to the state of the theft deterrent system, the main body ECU (multiplex network body ECU) outputs a signal to turn the security indicator light on. However, some of the actual lighting conditions of the security indicator light are different from the output signals of the main body ECU (multiplex network body ECU).
| State of Theft Deterrent System | Security Indicator Light | |
|---|---|---|
| Output Signal from Main Body ECU (Multiplex Network Body ECU) | Actual Lighting Condition | |
| Disarmed state (1), (2) | OFF | OFF (Immobiliser system unset) BLINKING (Immobiliser system set) |
| Arming preparation state | ON | ON |
| Armed state | OFF | BLINKING |
| Alarm sounding state | ON | ON |
| Intrusion sensor (theft warning ultrasonic sensor) cancel | ON | FLASHING |
| Time | Security Indicator Light |
|---|---|
| 0.125 sec. | ON |
| 1.875 sec. | OFF |
| Time | Security Indicator Light |
|---|---|
| 0.1 sec. | ON |
| 0.1 sec. | OFF |