System Description

VEHICLE SECURITY SYSTEM


System Description


OPERATION FLOW






SETTING THE VEHICLE SECURITY SYSTEM

Initial Condition
Ignition switch is in OFF position.

Disarmed Phase
- When any door or trunk lid is open, the vehicle security system is set in the disarmed phase on the assumption that the owner is inside or near the vehicle.
- When the vehicle security system is in the disarmed phase, the security indicator lamp blinks every 2.4 seconds.

Pre-armed Phase and Armed Phase
When the following operation 1 or 2 is performed, the vehicle security system turns into the "pre-armed" phase. (Security indicator lamp illuminates.)
1. BCM receives LOCK signal from door lock and unlock switch, door key cylinder switch door request switch or Intelligent Key, after all doors are closed.
2. All doors are closed after all doors are locked by mechanical key or door lock and unlock switch.

CANCELING THE ARMED PHASE VEHICLE SECURITY SYSTEM
When one of the following operations is performed, the armed phase is canceled.
1. Unlock all doors with the door lock and unlock switch, door key cylinder switch, door request switch or
Intelligent Key.
2. Turn ignition switch "ON" or "ACC" position.

CANCELING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM
When on of the following operations is performed, the alarm operation is canceled.
1. Unlock all doors with the door request switch or Intelligent Key.
2. Turn ignition switch "ON" or "ACC" position.

ACTIVATING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM
Check that the system is in the armed phase. (Security indicator lamp blinks every 2.4 seconds.)
When the following operation 1 or 2 is performed, the system sounds the horns and blinks the headlamps for about 50 seconds.
1. Trunk lid, any door or hood is opened during armed phase.
2. Disconnecting and connecting the battery connector before canceling armed phase.

PANIC ALARM OPERATION
When BCM receives panic alarm signal from Intelligent Key, ground is supplied intermittently to both headlamp relay and horn relay.
When headlamp relay and horn relay are energized, then power is supplied to headlamps (HI) and horns
(high, low).
The headlamps flash and the horn sounds intermittently.
The alarm automatically turns off after 50 seconds or when BCM receives any signal from Intelligent Key or door request switch.