System Description: Input

WARNING: This page is about a different car, the 2005 Nissan Xterra. 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.

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.

With the key inserted in the key cylinder LH and turned to LOCK, ground is supplied

To BCM terminal 8
Through front door lock assembly LH (key cylinder switch) terminal 5
Through front door lock assembly LH (key cylinder switch) terminal 4
Through body grounds M57, M61 and M79.

With the key inserted in the key cylinder LH and turned to UNLOCK, ground is supplied

To BCM terminal 7
Through front door lock assembly LH (key cylinder switch) terminal 3
Through front door key cylinder switch LH terminal 4
Through body grounds M57, M61 and M79.

With the key inserted in the back door key cylinder and turned to LOCK, ground is supplied

To BCM terminal 8
Through back door key cylinder switch terminal 1
Through back door key cylinder switch terminal 2
Through body grounds D406 and D504.

With the key inserted in the back door key cylinder and turned to UNLOCK, ground is supplied

To BCM terminal 7
Through back door key cylinder switch terminal 3
Through back door key cylinder switch terminal 2
Through body grounds D406 and D504.

With the main power window and door lock/unlock switch pressed to LOCK, ground is supplied

To BCM terminal 45
Through main power window and door lock/unlock switch terminal 10
Through main power window and door lock/unlock switch terminal 14
Through body grounds M57, M61 and M79.

With the power window and door lock/unlock switch RH pressed to LOCK, ground is supplied

To BCM terminal 45
Through power window and door lock/unlock switch RH terminal 1
Through power window and door lock/unlock switch RH terminal 3
Through body grounds M57, M61 and M79.

With the main power window and door lock/unlock switch pressed to UNLOCK, ground is supplied

To BCM terminal 46
Through main power window and door lock/unlock switch terminal 11
Through main power window and door lock/unlock switch terminal 14
Through body grounds M57, M61 and M79.

With the power window and door lock/unlock switch RH pressed to UNLOCK, ground is supplied

To BCM terminal 46
Through power window and door lock/unlock switch RH terminal 2
Through power window and door lock/unlock switch RH terminal 3
Through body grounds M57, M61 and M79.