Pattern A
To activate the vehicle security system, the smart entrance control unit must receive signals indicating the doors, hood and trunk lid are closed.
When a door is open, smart entrance control unit terminal 28 or 29 receives a ground signal from each door switch.
When the trunk lid is open, smart entrance control unit terminal 38 receives a ground signal:
- from terminal + of the trunk room lamp switch
- to terminal - of the trunk room lamp switch
- through body grounds B13 and B19.
When smart entrance control unit receives LOCK signal from key cylinder switch or keyfob and none of the described conditions exist, the vehicle security system will automatically shift to armed mode.