System Description: Notes

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all time

to BCM terminal 7
through 50A fusible link (letter f , located in the fuse and fusible link box)
through 10A fuse [No. 19, located in the fuse block (J/B)]
to key switch and keylock solenoid terminal 3.

With ignition key inserted, power is supplied

through key switch and keylock solenoid terminal 4
to BCM terminal 62.

Ground is supplied to terminal 8 of BCM through body grounds E15 and E24 and to terminals 27 and 63 of BCM through body ground M57 and M61.

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

through terminal 19 of main power window and door lock/unlock switch through body grounds M57 and M61
to BCM terminal 37 and
through main power window and door lock/unlock switch terminal 18. (with left front only power window anti-pinch system)

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

through terminal 19 of main power window and door lock/unlock switch through body grounds M57 and M61
to BCM terminal 44
through main power window and door lock/unlock switch terminal 17 (with left front only power window anti-pinch system).

When the door is locked with front power window switch RH, ground is supplied

through terminal 19 front power window switch RH through body grounds M57 and M61
to BCM terminal 37
through front power window switch RH terminal 18 (with left front only power window anti-pinch system).

When the door is unlocked with front power window switch RH, ground is supplied

through terminal 19 of front power window switch RH through body grounds M57 and M61
to BCM terminal 44
through front power window switch RH terminal 20 (with left front only power window anti-pinch system).

When the door is locked with front door key cylinder switch LH, ground is supplied

to body grounds M57 and M61
through BCM terminal 59 (with left front only power window anti-pinch system).

When the door is unlocked with front door key cylinder switch LH, ground is supplied

to body grounds M57 and M61
through BCM terminal 60 (with left front only power window anti-pinch system).

BCM is connected to main power window and door lock/unlock switch and front power window switch RH as anti-pinch serial link (with left and right front power window anti-pinch system).

Main power window and door lock/unlock switch and front power window switch RH output to key cylinder lock/unlock switch, central lock/unlock switch and power window UP/DOWN control by key cylinder switch as DATALINE (anti-pinch serial link) to BCM.