Power Locks: Description and Operation

Power is supplied at all times:
^ through 25 A fusible link (letter (f) located in the fusible link and fuse box)
^ to circuit breaker terminal (1)
^ through circuit breaker terminal (2)
^ to smart entrance control unit terminal (1).
Ground is supplied to smart entrance control unit terminal (10) through body grounds (M43), (M44) and (M60)

INPUT
When the main power window and door lock/unlock switch LH is in LOCK position, ground signal is supplied:
^ to smart entrance control unit terminal (18)
^ through main power window and door lock/unlock switch LH terminal (7)
^ to main power window and door lock/unlock switch LH terminal (5)
^ through body grounds (M43), (M44) and (M60).
When the door lock/unlock switch RH is in LOCK position, ground signal is supplied:
^ to smart entrance control unit terminal (18)
^ through door lock/unlock switch RH terminal (1)
^ to door lock/unlock switch RH terminal (2)
^ through body grounds (M43), (M44) and (M60).
when the door lock & unlock switch LH is in UNLOCK position, ground signal is supplied:
^ to smart entrance control unit terminal (19)
^ through main power window and door lock/unlock switch LH terminal (8)
^ to main power window and door lock/unlock switch LH terminal (5)
^ through body grounds (M43), (M44) and (M60).
When the door lock & unlock switch RH is in UNLOCK position, ground signal is supplied:
^ to smart entrance control unit terminal (19)
^ through door lock/unlock switch RH terminal (3)
^ to door lock/unlock switch RH terminal (2)
^ through body grounds (M43), (M44) and (M60).

OUTPUT
Unlock
Power is supplied:
^ from smart entrance control unit terminal (3)
^ to front door lock actuator LH terminal (1)
^ from smart entrance control unit terminal (2)
^ to all other door lock actuators terminal (1).
Ground is supplied:
^ from smart entrance control unit terminal (4),
^ to all door lock actuators terminal (3).
With power and ground supplied, the door lock actuators move to the unlocked position.

Lock
Power is supplied:
^ from smart entrance control unit terminal (4)
^ to all door lock actuators terminal (3).
Ground is supplied:
^ from smart entrance control unit terminal (3)
^ to front door lock actuator LH terminal (1)
^ from smart entrance control unit terminal (2).
^ to all other door lock actuators terminal (1).
With power and ground supplied, the door lock actuators move to the locked position.