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POWER DOOR LOCKS . . . . . . . . . . . . . . . . . . . . 1
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . 1
DESCRIPTION AND OPERATION
AUTOMATIC DOOR LOCKS . . . . . . . . . . . . . . . . 1
CENTRAL LOCKING SYSTEM . . . . . . . . . . . . . . 1
CHILD PROTECTION LOCK . . . . . . . . . . . . . . . . 2
DOOR LOCK INHIBIT . . . . . . . . . . . . . . . . . . . . . 2
KEYLESS ENTRY SYSTEM . . . . . . . . . . . . . . . . 2
GENERAL INFORMATION
INTRODUCTION
All doors can be locked or unlocked electrically by
operating the switch on either front door panels.
The rear doors can be locked or unlocked by actu-
ation of the front door switch, or can be locked or
unlocked mechanically and independently with their
respective locking knobs.
The front doors can be locked or unlocked mechan-
ically with the locking knob regardless of electrical
locking and unlocking actuation with the front door
knobs.
The right and left front door on all vehicles can be
locked or unlocked mechanically from the outside
with the key or electrically as described above. The
left front can also be unlocked by actuation of the
inside remote door handle. The right front door can
be unlocked by actuation of the inside remote door
handle.
DESCRIPTION AND OPERATION
AUTOMATIC DOOR LOCKS
The system includes an automatic door locking fea-
ture actuated by the Body Control Module (BCM).
The vehicle is built with the system disabled.
POWER DOOR LOCKS
CONTENTS
page
POWER DOOR LOCKS
INDEX
page
POWER DOOR LOCKS
REMOTE KEYLESS ENTRY . . . . . . . . . . . . . . . . . 4
DOOR LOCK SWITCH . . . . . . . . . . . . . . . . . . . . 2
DOOR LOCK SYSTEM . . . . . . . . . . . . . . . . . . . . 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DOOR LOCK SWITCH . . . . . . . . . . . . . . . . . . . . 3
When the system is disabled the door locks will
work by use of the door lock switches only. When this
system is enabled the automatic door locks will work
automatically.
The Body Control Module controls the power locks
when the door lock switch is activated. If the door
lock switch is pressed for longer than eight consecu-
tive seconds, the BCM will de-energize the door lock
relay. Also, the BCM will automatically lock all doors
when all of the conditions below are met:
• All doors are closed
• The vehicle speed exceeds 15
• The throttle position sensor tip-in is greater
than 10
2 degrees
The scan tool (DRB) must be used to enable/disable
the automatic door lock system. Refer to the scan tool
(DRB) for the procedure.
The Body Control Module will automatically
re-lock all doors if the above conditions are met and
if any of the doors become ajar and then closes again.
The power latches are also equipped with a ther-
mal protection system which prevents the latches
from burning out.
CENTRAL LOCKING SYSTEM
The central locking system is part of the Vehicle
Theft Security System. Using the key, turn the driv-
er's or passenger door cylinder lock to the lock posi-
8P - 1
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1 M.P.H.
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