Power Locks: Description and Operation

POWER DOOR LOCK SYSTEM

System Description

Power is supplied at all times
- to BCM terminal 70
- through 50 A fusible link (letter f, located in the fuse and fusible link box)
- through 10 A fuse [No. 21, located in the fuse block (J/B)]
- to BCM terminal 57
- to key switch and key lock solenoid terminal 3.

With ignition key inserted, power is supplied
- through key switch and key lock solenoid terminal 4
- to BCM terminal 37.

WITH LEFT FRONT ONLY FRONT POWER WINDOW ANTI-PINCH SYSTEM
Ground is supplied to terminal 67 of the BCM through body grounds M57, M61 and F14.

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, M61 and F14
- to BCM terminal 46
- through main power window and door lock/unlock switch terminal 17.

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, M61 and F14
- to BCM terminal 45
- through main power window and door lock/unlock switch terminal 18.

When the door is unlocked with power window and door lock/unlock switch RH, ground is supplied
- through terminal 19 power window and door lock/unlock switch RH through body grounds M57, M61 and F14
- to BCM terminal 46
- through power window and door lock/unlock switch RH terminal 20.

When the door is locked with power window and door lock/unlock switch RH, ground is supplied
- through terminal 19 of power window and door lock/unlock switch RH through body grounds M57, M61 and F14
- to BCM terminal 45
- through power window and door lock/unlock switch RH terminal 18.

When the door is locked with front door lock assembly LH (key cylinder switch), ground is supplied
- to body grounds M57, M61 and F14
- through BCM terminal 8.

When the door is unlocked with front door lock assembly LH (key cylinder switch), ground is supplied
- to body grounds M57, M61 and F14
- through BCM terminal 7.

WITH LEFT AND RIGHT FRONT POWER WINDOW ANTI-PINCH SYSTEM
BCM is connected to main power window and door lock/unlock switch and power window and door lock/unlock switch RH as power window serial link.
Main power window and door lock/unlock switch and power window and door lock/unlock switch RH output to key cylinder lock/unlock switch, central lock/unlock switch and power window UP/DOWN control by key cylinder switch as DATALINE (power window 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 assembly LH (actuator) 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 door lock switch LH or RH 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




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