Theft Deterrent System System Description

  1. THEFT DETERRENT SYSTEM DESCRIPTION

  1. FUNCTION OF MAIN COMPONENT

  1. ACTIVE ARMING MODE

  1. FORCED DOOR LOCK CONTROL

  1. SECURITY INDICATOR LIGHT OUTPUT

Theft Deterrent System -- System Description



THEFT DETERRENT SYSTEM DESCRIPTION

  1. The theft deterrent system is designed to deter vehicle break-ins and theft. If an attempted break-in or theft is detected, the alarm sound and the hazard warning lights flash. The system detects an attempted break-in or theft when any of the following occurs: 1) the vehicle is forcibly entered; 2) the engine hood is forcibly opened; 3) the doors are unlocked without the use of a key; or 4) the cable is disconnected from the negative (-) battery terminal and then reconnected.
    If the system enters the alarm sounding state, any unlocked doors automatically lock.

  2. The system has an active arming mode (refer to Active Arming Mode).

  3. Active arming mode has 4 states: disarmed state, arming preparation state, armed state and alarm sounding state.

    1. Disarmed state:

      1. The alarm function is not operating.
      2. The theft deterrent system is not operating.

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

    3. Armed state:
      The theft deterrent system is operating.

    4. Alarm sounding state:
      The alarm function is operating (30 +/-5 seconds).

      Alarm Method and Time
      Alarm Method
      		Hazard Warning Light
      		Blinking (cycle of flasher relay)
      Vehicle Horns
      		Sounding (cycle of 0.4 seconds)
      Security Horn*1
      		Sounding (cycle of 0.4 seconds)
      Theft Warning Siren (Self Power Siren)*2
      		Sounding (sweep)
      Security Indicator Light
      		Illuminating
      Alarm Time
      		30 +/-5 seconds

      1. *1: w/ Security Horn
      2. *2: w/ Security Siren
      HINT:
      If, during the alarm sounding state, one of the doors is unlocked without using a proper key, a forced door lock signal is output (refer to Forced Door Lock Control).

FUNCTION OF MAIN COMPONENT

Function
Outline
Security indicator light
Informs the driver of the theft deterrent system status.
Hazard warning light
Begins flashing when an attempted break-in or theft is detected.
Low pitched horn
Sounds when an attempted break-in or theft is detected.
High pitched horn
Sounds when an attempted break-in or theft is detected.
Security horn*1
Sounds when an attempted break-in or theft is detected.
Theft warning siren (Self power siren)*2
Sounds when an attempted break-in or theft is detected.
Intrusion sensor*3
If an intrusion is detected, the alarm is activated.
Glass breakage sensor*4
Sounds the alarm when the back door glass is broken.
Yaw rate sensor*5
After the theft deterrent system is set, detects the vehicle tilt. If the vehicle tilt changes, the main body ECU determines there was an attempted break-in or theft.
Door courtesy light switch
Detects the door open status (open or closed).
Back window lock*6
Detects the glass hatch open status (open or closed).
Door lock position switch
Detects the door lock status (locked or unlocked).
Security courtesy switch
Detects the engine hood open status (open or closed).
Main body ECU
Detects the ignition switch condition (off, ACC or ON).
  1. *1: w/ Security Horn
  2. *2: w/ Security Siren
  3. *3: w/ Intrusion Sensor
  4. *4: w/ Glass Breakage Sensor
  5. *5: w/ Tilt Sensor
  6. *6: w/ Glass Hatch Opener System

ACTIVE ARMING MODE
HINT:
Active arming mode starts alarm control immediately after the doors are locked.

System State
State Switching Condition
Transfer to
1. Disarmed state
Perform one of following and system changes to "Arming preparation state":
  1. With all doors, engine hood and glass hatch *1 closed, lock all doors by entry lock operation*2 or wireless operation
  2. With engine hood open, lock all doors and close engine hood
  3. With glass hatch open, lock all doors and close glass hatch*1
2. Arming preparation state
2. Arming preparation state
Perform one of following and system changes to "Disarmed state":
  1. Unlock all doors by entry unlock operation*2 or wireless operation
  2. Open glass hatch by entry glass hatch open operation*2 or wireless operation*1
  3. Unlock door
  4. Open engine hood
  5. Open glass hatch*1
  6. Turn ignition switch to ON or ACC
  7. Reconnect battery
1. Disarmed state
Perform one of following and system changes to "Armed state":
  1. Allow 30 (+/-1.5) seconds to elapse*3
  2. Allow 10 (+/-1.5) seconds to elapse*4
3. Armed state
3. Armed State
Perform one of following and system changes to "Disarmed state":
  1. Unlock all doors by entry unlock operation*2 or wireless operation
  2. Open glass hatch by entry glass hatch open operation*2 or wireless operation*1
  3. Turn ignition switch to ON or ACC
1. Disarmed state
Perform one of following and system changes to "Alarm sounding state":
  1. Open engine hood
  2. Open glass hatch*1
  3. Open door
  4. Unlock all doors without entry unlock operation*2 or wireless operation
  5. Disconnect and reconnect cable to negative (-) battery terminal
  6. Force engine ignition system to turn on without proper engine start method
  7. Intrusion sensor detects movement inside vehicle*5
  8. A glass window is broken*6
  9. Tilt sensor detects pitch angle of vehicle inclination*7
4. Alarm sounding state
4. Alarm sounding state
Perform one of following and system changes to "Disarmed state":
  1. Unlock all doors by entry unlock operation*2 or wireless operation
  2. Open glass hatch by entry glass hatch open operation*2 or wireless operation*1
  3. Turn ignition switch to ON or ACC
1. Disarmed state
Perform one of following and system changes to "Armed state":
  1. Allow 30 (+/-5) seconds to elapse
3. Armed state (alarm stops sounding)
  1. *1: w/ Glass Hatch Opener System
  2. *2: w/ Entry and Start System
  3. *3: for Arming Preparation State 30 Seconds
  4. *4: for Arming Preparation State 10 Seconds
  5. *5: w/ Intrusion Sensor
  6. *6: w/ Glass Breakage Sensor
  7. *7: w/ Tilt Sensor

FORCED DOOR LOCK CONTROL

  1. Forced door lock control also helps to prevent the vehicle from being tampered with. When a door is unlocked and the alarm starts, the door is forced to lock by a forced door lock signal.

    1. Conditions that force the doors to lock:

      1. 0.4 seconds have elapsed after the previous output of a forced door lock signal.
      2. The theft deterrent system is in the alarm sounding state.
      3. A door is unlocked.

SECURITY INDICATOR LIGHT OUTPUT

  1. The security indicator light turns on and off based on output signals from the main body ECU. However, in some cases, the actual status of the security indicator light is different from the output signals from the main body ECU.

    Output
    State of Theft Deterrent System
    		Security Indicator
    Output Signals from ECU
    		Actual Lighting Condition
    Disarmed state
    		Off
    		Off (Immobiliser system unset)
    Blinking (Immobiliser system set)
    Arming preparation state
    		On
    		On
    Armed state
    		Off
    		Blinking
    Alarm sounding state
    		On
    		On
    Blinking Cycle
    Time
    		Security Indicator
    0.2 seconds
    		On
    1.8 seconds
    		Off

    HINT:
    When the engine immobiliser system is set, the security indicator light blinks during the disarmed state and armed state due to the output signals from the engine immobiliser system.