Trunk Lid Opener Operation

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

When a TRUNK OPEN signal is sent with key OFF (ignition key removed from key cylinder) from key fob, power is supplied

through BCM terminal 19
to trunk release solenoid terminal 3.
When power and ground are supplied, trunk release solenoid opens trunk lid.