Antitheft and Alarm Systems: Description and Operation

1. Operation Flow
2. Setting The Theft Warning System
Initial condition
1. Close all doors.
2. Close hood and.

Disarmed phase
When the theft warning system is in the disarmed phase, the security indicator lamp blinks every seconds.

Pre-armed phase and armed phase
The theft warning system turns into the "pre-armed" phase when hood and all doors are closed and the doors are locked by key or multi-remote controller. (The security indicator lamp illuminates.)
After about 30 seconds, the system automatically shifts into the "armed" phase (the system is set). (The security indicator lamp blinks every 2.6 seconds.)

3. Canceling The Set Theft Warning System
When the following 1. or 2. operation is performed, the armed phase is canceled.

4. Activating The Alarm Operation of The Theft Warning System
Make sure the system is in the armed phase. (The security indicator lamp blinks every 2.6 seconds.)
When any of the following operations are performed, the system sounds the horns and flashes the headlamp for about 2.5 minutes.
1. Engine hood or any door is opened before unlocking door with key or multi-remote controller.
2. Door is unlocked without using key or multi-remote controller (applies to early production models).

POWER SUPPLY AND GROUND
Power is supplied at all times
- through 7.5 A fuse [No.28, located in the fuse block (J/B)]
- to security indicator lamp terminal 1.
Power is supplied at all times
- through 40 A fusible link (letter f, located in the fuse and fusible link box)
- to circuit breaker terminal +
- through circuit breaker terminal -
- to smart entrance control unit terminal 1.

With the ignition switch in the ACC or ON position, power is supplied
- through 7.5 A fuse [No.20, located in the fuse block (J/B)]
- to smart entrance control unit terminal 17.
With the ignition switch in the ON or START position, power is supplied
- through 7.5 A fuse [No.5, located in the fuse block (J/B)]
- to smart entrance control unit terminal 11.
Ground is supplied
- to smart entrance control unit terminal 10
- through body grounds M14 and M68.

INITIAL CONDITION TO ACTIVATE THE SYSTEM
The operation of the theft warning system is controlled by the doors and hood.
To activate the theft warning system, the smart entrance control unit must receive signals indicating the doors, hood and are closed and the doors are locked.
When a door is open, smart entrance control unit terminal 15, 16 or 35 receives a ground signal from each door switch.
When a door is unlocked, smart entrance control unit terminal 12, 13 or 14 (13 and 14 apply to early production models) receives a ground signal from door lock actuator (door unlock sensor).
When the hood is open, ground is signal
- to smart entrance control unit terminal 29
- through hood switch terminal +
- through hood switch terminal -
- through body grounds E12 and E54.

When the doors are locked with key or multi-remote controller and none of the described conditions exist, the theft warning system will automatically shift to armed mode.

THEFT WARNING SYSTEM ACTIVATION (WITH KEY OR REMOTE CONTROLLER USED TO LOCK DOORS)
If the key is used to lock doors, ground is supplied to smart entrance control unit terminal 30
- through front door key cylinder switch LH terminal 1 or
- through front door key cylinder switch RH terminal 3
- through front door key cylinder switch LH or RH terminal 2
- through body grounds M14 and M68 or
- through back door key cylinder switch terminal 1
- through back door key cylinder switch terminal 2
- through body grounds D402 and D404.
If this signal or lock signal from remote controller is received by the smart entrance control unit, the theft warning system will activate automatically.
Once the theft warning system has been activated, smart entrance control unit terminal 33 supplies ground to security indicator lamp terminal 2.
The security lamp will illuminate for approximately 30 seconds and then blink.
The theft warning system is now in armed phase.

THEFT WARNING SYSTEM ALARM OPERATION
The theft warning system is triggered by
- opening a door
- opening the hood
- unlocking door without using a key or remote controller.
Once the theft warning system is in armed phase, if the smart entrance control unit receives a ground signal at terminal 12, 13, 14 (door unlock sensor), (13 and 14 apply to early production models) 15, 16, 35 (door switch) or 29 (hood switch), the theft warning system will be triggered. The horn, theft warning horn and headlamps operate intermittently and the starting system is interrupted.
With the ignition switch in the ON or START position, power is supplied
- through 7.5 A fuse [No.5, located in the fuse block (J/B)].
- to theft warning relay terminal 2.
If the theft warning system is triggered, ground is supplied
- to theft warning relay terminal 1
- through smart entrance control unit terminal 32.
With power and ground supplied, starter motor circuit is interrupted. The starter motor will not crank and the
engine will not start.
Power is supplied at all times
- through 7.5 A fuse (No.31 located in fuse and fusible link box)
- to theft warning lamp relay terminal 2 and
- to theft warning horn relay terminals 2 and 7.
When the theft warning system is triggered, ground is supplied intermittently
- to theft warning lamp relay terminal 1 and
- to theft warning horn relay terminal 1
- through smart entrance control unit terminal 8.
The horn, theft warning horn and headlamps operate intermittently.
The alarm automatically turns off after 2 or 3 minutes but will reactivate if the vehicle is tampered with again.

THEFT WARNING SYSTEM DEACTIVATION
To deactivate the theft warning system, a door must be unlocked with the key or remote controller.
When the key is used to unlock the door, smart entrance control unit terminal 31 receives a ground signal
- through front door key cylinder switch LH terminal 3 or
- through front door key cylinder switch RH terminal 1
- through front door key cylinder switch LH or RH terminal 2
- through body grounds M14 and M68 or
- through back door key cylinder switch terminal 3
- through back door key cylinder switch terminal 2
- through body grounds D402 and D404.
When the smart entrance control unit receives this signal or an unlock signal from remote controller, the theft warning system is deactivated. (Disarmed phase)

PANIC ALARM OPERATION
Multi-remote control system may or may not operate theft warning system (horn, theft warning horn and headlamps) as required.
When the multi-remote control system is triggered, ground is supplied intermittently
- to theft warning lamp relay terminal 1 and
- to theft warning horn relay terminal 1
- through smart entrance control unit terminal 8.
The horn, theft warning horn and headlamps operate intermittently.
The alarm automatically turns oft after 30 seconds or when smart entrance control unit receives any signal from multi-remote controller.