Power Locks: Description and Operation

POWER DOOR LOCK SYSTEM

System Description
Power is supplied at all time
- to BCM terminal 7
- through 50 A fusible link (letter f, located in the fuse and fusible link box)
- through 10 A fuse [No.19, located in the fuse block (J/B)]
- to key switch and keylock solenoid terminal 3.

With ignition key inserted, power is supplied
- through key switch and keylock solenoid terminal 4
- to BCM terminal 62.

Ground is supplied to terminal 8 of BCM through body grounds E15 and E24 and to terminals 27 and 63 BCM through body ground M57 and M61.

When the door is locked with main power window and door lock/unlock switch, ground is supplied
- through terminal 19 of main power window and door lock/unlock switch through body grounds M57 and M61
- to BCM terminal 37 and
- through main power window and door lock/unlock switch terminal 18. (with left front only power window anti-pinch system)

When the door is unlocked with main power window and door lock/unlock switch, ground is supplied
- through terminal 19 of main power window and door lock/unlock switch through body grounds M57 and M61
- to BCM terminal 44
- through main power window and door lock/unlock switch terminal 17 (with left front only power window anti-pinch system).

When the door is locked with front power window switch RH, ground is supplied
- through terminal 19 front power window switch RH through body grounds M57 and M61
- to BCM terminal 37
- through front power window switch RH terminal 18 (with left front only power window anti-pinch system).

When the door is unlocked with front power window switch RH, ground is supplied
- through terminal 19 of front power window switch RH through body grounds M57 and M61
- to BCM terminal 44
- through front power window switch RH terminal 20 (with left front only power window anti-pinch system).

When the door is locked with front door key cylinder switch LH, ground is supplied
- to body grounds M57 and M61
- through BCM terminal 59 (with left front only power window anti-pinch system).

When the door is unlocked with front door key cylinder switch LH, ground is supplied
- to body grounds M57 and M61
- through BCM terminal 60 (with left front only power window anti-pinch system).

BCM is connected to main power window and door lock/unlock switch and front power window switch RH as anti-pinch serial link (with left and right front power window anti-pinch system).

Main power window and door lock/unlock switch and front power window switch RH output to key cylinder lock/ unlock switch, central lock/unlock switch and power window UP/DOWN control by key cylinder switch as DATA LINE (anti-pinch serial link) to BCM.

OUTLINE

Functions available by operating the central switches on driver's door and passenger's door
- Interlocked with the locking operation of central switch, door lock actuators of all doors are locked.
- Interlocked with the unlocking operation of central switch, door lock actuators of all doors are unlocked.

Functions available by operating the key cylinder switch on driver's door
- Interlocked with the locking operation of door key cylinder, door lock actuators of all doors are locked.
- When door key cylinder is unlocked, front door lock actuator LH is unlocked.
- When door key cylinder is unlocked for the second time within 5 seconds after the first operation, door lock actuators on all doors are unlocked.

Key-trap preventive function
When central switch is operated to lock doors with ignition key put in key cylinder and any door open, all door lock actuators are locked and then unlocked.

OPERATIONS BY MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

Time Chart:

Time chart

KEY-TRAP PREVENTIVE FUNCTION




Time chart