Power Locks: Description and Operation

System Description

Power is supplied at all times
- through 30 A fusible link [letter f, located in the fuse and fusible link box (with KA24DE)] or
- through 40 A fusible link [letter f, located in the fuse and fusible link box (with VG33E and VG33ER)]
- to circuit breaker terminal (+)
- through circuit breaker terminal (-)
- to smart entrance control unit terminal 51.

Power is supplied at all times
- through 7.5 A fuse [No.28 located in the fuse block (J/B)]
- to smart entrance control unit terminal 49 and
- to key switch terminal 1.

Ground is supplied
- to smart entrance control unit terminals 43 and 64
- through body grounds M14 and M68.

INPUT
With the key in the ignition key cylinder power is supplied
- through key switch terminal 2
- to smart entrance control unit terminal 25.

With front door LH open ground is supplied
- to smart entrance control unit terminal 1
- through front door switch LH terminal 2
- through front door switch LH terminal 3
- through body grounds M14 and M68.

With front door RH open ground is supplied
- to smart entrance control unit terminal 2
- through front door switch RH terminal (+).

With rear door LH and RH (Crew Cab) open ground is supplied
- to smart entrance control unit terminal 3
- through rear door switch LH and RH terminals (+).

With the key inserted in the front door key cylinder switch LH and turned to LOCK ground is supplied
- to smart entrance control unit terminal 11
- through front door key cylinder switch LH terminal 1 or front door key cylinder switch RH terminal 3
- through front door key cylinder switch LH terminal 2
- through body grounds M14 and M68.

With the key inserted in the front door key cylinder switch LH and turned to UNLOCK ground is supplied
- to smart entrance control unit terminal 10
- through front door key cylinder switch LH terminal 3 or front door key cylinder switch RH terminal 1
- through front door key cylinder switch LH terminal 2
- through body grounds M14 and M68.

With the main power window and door lock/unlock switch pressed to LOCK ground is supplied
- to smart entrance control unit terminal 5
- through main power window and door lock/unlock switch terminal 15
- through main power window and door lock/unlock switch terminal 10
- through body grounds M14 and M68.

With the door lock/unlock switch RH pressed to LOCK ground is supplied
- to smart entrance control unit terminal 5
- through door lock/unlock switch RH terminal 6
- through door lock/unlock switch RH terminal 4
- through body grounds M14 and M68.

With the main power window and door lock/unlock switch pressed to UNLOCK ground is supplied
- to smart entrance control unit terminal 4
- through main power window and door lock/unlock switch terminal 11
- through main power window and door lock/unlock switch terminal 10
- through body grounds M14 and M68.

With the door lock/unlock switch RH pressed to UNLOCK ground is supplied
- to smart entrance control unit terminal 4
- through door lock/unlock switch RH terminal 3
- through door lock/unlock switch RH terminal 4
- through body grounds M14 and M68.

OUTPUT

Unlock
Ground is supplied
- to front door lock actuator LH and RH and rear door lock actuator LH and RH (Crew Cab) terminal 3
- through smart entrance control unit terminal 54.

FRONT DOOR LH
Power is supplied
- to front door lock actuator LH terminal 1
- through smart entrance control unit terminal 55.

FRONT DOOR RH
Power is supplied
- to front door lock actuator RH terminal 1
- through smart entrance control unit terminal 56.

REAR DOOR LH AND RH (CREW CAB)
Power is supplied
- to rear door lock actuator LH and RH terminal 1
- through smart entrance control unit terminal 56.

Then the doors are unlocked.

Lock
Ground is supplied
- to front door lock actuator LH terminal 1
- through smart entrance control unit terminal 55 and
- to front door lock actuator RH and rear door lock actuator LH and RH (Crew Cab) terminal 1
- through smart entrance control unit terminal 56.

Power is supplied
- to front door lock actuator LH and RH and rear door lock actuator LH and RH (Crew Cab) terminal 3
- through smart entrance control unit terminal 54.

Then the doors are locked.

OPERATION
- The main power window and door lock/unlock switch on front door LH trim and door lock/unlock switch RH on front door RH trim can lock and unlock all doors.
- With the key inserted in the front door key cylinder LH or RH turning it to LOCK locks all doors; turning it to UNLOCK once unlocks the corresponding door; turning it to UNLOCK again within 5 seconds of the first unlock operation unlocks all other doors (signal from door key cylinder switch).

Key Reminder
When performing a door locking operation using either the main power window and door lock/unlock switch the door lock/unlock switch RH the front door LH lock knob or a keyfob all the doors will lock and then will immediately unlock if the
- key switch is in INSERTED position (key is in ignition key cylinder) and
- ignition switch is in the OFF position and
- either front door switch LH or RH is in OPEN position (door is open).