Initial Condition To Activate The System

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

The operation of the vehicle security system is controlled by the doors and back door.

To activate the vehicle security system, BCM must receive signals indicating the doors and back door are closed and the doors are locked by key fob.

When a door is open, BCM terminals 12, 13, 62 or 63 receives a ground signal from each door switch.

When front door LH is unlocked by power window main switch (door lock and unlock switch), BCM terminal 22 receives a signal from terminal 14 of power window main switch.

When front door RH is unlocked by power window switch (passenger side) (door lock and unlock switch), BCM terminal 22 receives a signal from terminal 16 of front power window switch (passenger side).

When front key cylinder switch is in UNLOCK position, ground is supplied

to power window main switch terminal 6
through front key cylinder terminals 6 and 5
through body grounds M14 and M78.
Then power window main switch send unlock signal to BCM.

When the back door is open, BCM terminal 58 receives a ground signal
from terminal 1 of the back door switch
through body grounds B7 and B20.