Initial Condition To Activate The System
The operation of the vehicle security system is controlled by the doors, hood and glass hatch.
To activate the vehicle security system, BCM must receive signals indicating the doors, hood and glass hatch are closed and the doors are locked.
When a door is open, BCM terminal 12, 13, 42, 47 or 48 receives a ground signal from each door switch.
When front door LH is unlocked, BCM terminal 22 receives a signal from terminal 14 of main power window and door lock/unlock switch.
When front door RH is unlocked, BCM terminal 22 receives a signal from terminal 16 of power window and door lock/unlock switch RH or the rear power window switch LH or RH.
When the back door is open, BCM terminal 43 receives a ground signal
- from terminal 7 of the back door latch (door ajar switch)
- through body grounds B7 and B19.
When the glass hatch is open, BCM terminal 42 receives a ground signal
- from terminal + of the glass hatch ajar switch
- through glass hatch ajar switch case ground.