System Description: Input

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

With the key in the ignition key cylinder, power is supplied

through key switch terminal 1
to BCM terminal 37.

When the door is locked or unlocked with main power window and door lock/unlock switch, ground is supplied

to CPU of main power window and door lock/unlock switch
through main power window and door lock/unlock switch terminal 17
through grounds M57, M61 and M79.

Then main power window and door lock/unlock switch operation signal is supplied.

to BCM terminal 22
through main power window and door lock/unlock switch terminal 14.

When the door is locked or unlocked with power window and door lock/unlock switch RH, ground is supplied

to CPU of power window and door lock/unlock switch RH
through power window and door lock/unlock switch RH terminal 11
through grounds M57, M61 and M79.

Then power window and door lock/unlock switch RH operation signal is supplied

to BCM terminal 22
through power window and door lock/unlock switch RH terminal 16.

When the door is locked with front door lock assembly LH, ground is supplied

to main power window and door lock/unlock switch terminal 4
through key cylinder switch terminals 4 and 5
through grounds M57, M61 and M79.

Then key cylinder switch operation signal is supplied

to BCM terminal 22
through main power window and door lock/unlock switch terminal 14.

When the door is unlocked with front door lock assembly LH, ground is supplied

to main power window and door lock/unlock switch terminal 6
through key cylinder switch terminals 3 and 4
through grounds M57, M61 and M79.

Then key cylinder switch operation signal is supplied

to BCM terminal 22
through main power window and door lock/unlock switch terminal 14.

BCM is connected to main power window and door lock/unlock switch and power window and door lock/unlock switch RH through a serial link.

With front door LH open, ground is supplied

to BCM terminal 47
through front door switch LH terminal 2
through front door switch LH case ground.

With front door RH open, ground is supplied

to BCM terminal 12
through front door switch RH terminal 2
through front door switch RH case ground.

With rear door LH open, ground is supplied

to BCM terminal 48
through rear door switch LH terminal 2
through rear door switch LH case ground.

With rear door RH open, ground is supplied

to BCM terminal 13
through rear door switch RH terminal 2
through rear door switch RH case ground.

With back door open, ground is supplied

to BCM terminal 43
through back door switch terminal 3
through back door switch terminal 1
through body grounds D406 and D504.