All Door Lock and Unlock-w/o Keyless Entry Option Operation
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Pressing LOCK on either door lock switch applies battery positive voltage to all the door lock actuator lock control circuits. All the door lock actuator unlock control circuits are grounded through the unlock portion of both door lock switches, energizing all of the door lock actuators, locking all of the doors.
Pressing UNLOCK on either door lock switch applies battery positive voltage to all the door lock actuator unlock control circuits. All the door lock actuator lock control circuits are grounded through the lock portion of both door lock switches, energizing all of the door lock actuators, locking all of the doors.