Operation CHARM: Car repair manuals for everyone.

Power Door Lock Control Module: Description and Operation

Power is supplied at all times
^ through 25 A fusible link (No. (i), located in the fuse and fusible link 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 (M5) and (M57).

INPUT
When the door lock & unlock switch LH is in LOCKED position ground signal is supplied
^ to smart entrance control unit terminal (18)
^ through door lock & unlock switch LH terminal (7)
^ to door lock & unlock switch LH terminal (2)
^ through body grounds (M5) and (M57).
When the door lock & unlock switch RH is in LOCKED position, ground signal is supplied
^ to smart entrance control unit terminal (18)
^ through door lock & unlock switch RH terminal (3)
^ to door lock & unlock switch RH terminal (2)
^ through body grounds (M5) and (M57).
When the door lock & unlock switch LH is in UNLOCKED position, ground signal is supplied
^ to smart entrance control unit terminal (19)
^ through door lock & unlock switch LH terminal (8)
^ to door lock & unlock switch LH terminal (2)
^ through body grounds (M5) and (M57).
When the door lock & unlock switch RH is in UNLOCKED position. ground signal is supplied
^ to smart entrance control unit terminal (19)
^ through door lock & unlock switch RH terminal (1)
^ to door lock & unlock switch RH terminal (2)
^ through body grounds (M5) and (M57).

OUTPUT
Unlock

Ground is supplied
^ to door lock actuator LH terminal (3)
^ to door lock actuator RH terminal (3)
^ through smart entrance control unit terminal (4)

DOOR LH
Power is supplied
^ to door lock actuator LH terminal (1)
^ through smart entrance control unit terminal (3)

DOOR RH
Power is supplied
^ to door lock actuator RH terminal (1)
^ through smart entrance control unit terminal (2).
Then, the door is unlocked.

Lock
Ground is supplied
^ to door lock actuator LH terminal (1)
^ through smart entrance control unit terminal (3) , and
^ to door lock actuator RH terminal (1)
^ through smart entrance control unit terminal (2)
Power is supplied
^ to door lock actuator LH terminal (3)
^ to door lock actuator RH terminal (3),
^ through terminal (4)
Then, the door is locked.