Power Locks; Operation - Chrysler Pacifica 2004 Service Manual

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8Ns - 18

POWER LOCKS

POWER LOCKS (Continued)
tion. The panic feature will operate if the ignition is
ON, but only if the Panic button is pressed prior to
starting the vehicle. A vehicle speed of about 25.7
km/h (15 miles-per-hour) will also cancel the panic
event.
The RKE system can also perform other functions
on this vehicle. If the vehicle is equipped with the
optional Vehicle Theft Security System (VTSS), the
RKE transmitter will arm the VTSS when the Lock
button is depressed, and disarm the VTSS when the
Unlock button is depressed.
The RKE system includes two transmitters when
the vehicle is shipped from the factory, but the sys-
tem can retain the vehicle access codes of up to a
total of eight transmitters. The transmitter codes are
retained in the RKE module memory, even if the bat-
tery is disconnected. If an RKE transmitter is faulty
or lost, new transmitter vehicle access codes can be
programmed into the system using a DRB III scan
tool.
This vehicle also offers several customer program-
mable features, which allows the selection of several
optional electronic features to suit individual prefer-
ences.
Customer
programmable
affecting the RKE system include:
• Automatic Door Lock - Customer programma-
ble feature that allows the DDM/PDM to perform an
automatic door lock if the vehicle speed is above 25.7
km/h (15 miles-per-hour).
• Automatic Door Unlock On Exit - Customer
programmable feature that allows the DDM/PDM to
perform an automatic door unlock if the vehicle
speed is 0, vehicle in park and driver door is opened.
• Flash Lights with Lock and Unlock - Allows
the option of having the park lamps flash as an opti-
cal verification that the RKE system received a valid
Lock request or Unlock request from the RKE trans-
mitter, or having no optical verification.
• Programming Additional
Allows up to a total of four transmitter vehicle access
codes to be stored in the receiver memory.
• Remote Unlock Sequence - Allows the option
of having only the driver side front door unlock when
the RKE transmitter Unlock button is depressed the
first time. The remaining doors unlock when the but-
ton is depressed a second time within 5 seconds of
the first unlock press. Another option is having all
doors unlock upon the first depression of the RKE
transmitter Unlock button.
• RKE Linked to Memory - Allows the RKE
transmitter to be linked to the memory system. The
RKE transmitter can be linked to either position 1 or
position 2. This allows the operator to have the vehi-
cle move the mirrors, seat, pedals and radio stations
upon a depress of the unlock switch on the transmit-
ter.
having the horn sound a short chirp as an audible
verification that the RKE system received a valid
Lock request from the RKE transmitter, or having no
audible verification.

OPERATION

POWER LOCKS
Door Module (PDM) locks or unlocks the doors when
an actuation input signal from a door lock switch,
Central Lock key cylinder (if equipped), or Remote
Keyless Entry Module (RKE) is received. The DDM
and PDM turn on the output drivers and provides a
voltage level to the door lock motor for a specified
time.
REMOTE KEYLESS ENTRY
to communicate with the SKREEM module. The
SKREEM is on the PCI bus. When the operator
presses a button on the transmitter, it sends a spe-
feature
options
cific request to the SKREEM. In turn, the SKREEM
sends the appropriate request over the PCI bus to
the following:
driver front door lock and unlock functions, the arm-
ing and disarming of the Vehicle Theft Alarm (VTA)
if equipped, and the activation of illuminated entry.
the park lamps, the headlamps and the horn for the
horn chirp.
the passenger front, rear driver and rear passenger
door lock and unlock functions and activation of the
passenger door courtesy lamp.
Transmitters
-
the liftgate lock and unlock functions.
mitter, all of the door locks will lock, the illuminated
entry will turn off (if all doors are closed) and the
vehicle theft security system (if equipped) will arm.
the driver door, or all doors based on the customer
programmable feature enabled, the illuminated entry
will turn on the courtesy lamps and the vehicle theft
security system (if equipped) will disarm. Pressing
the unlock button a second time, the remaining door
locks will unlock.
the memory message will identify which transmitter
(1 or 2) sent the signal.
• Sound Horn on Lock - Allows the option of
The Driver Door Module (DDM) and Passenger
The RKE transmitter uses radio frequency signals
• Driver Door Module (DDM) - to control the
• Integrated Power Module (IPM) - to activate
• Passenger Door Module (PDM) - to control
• Power Liftgate Module (PLGM) - to control
After pressing the lock button on the RKE trans-
Pressing the unlock button one time will unlock
If the vehicle is equipped with the memory system,
CS

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