Chrysler Stratus Convertible. Manual — part 276
(2) The relay normally open terminal (87) is con-
nected to the common feed (movable contact) termi-
nal (30) in the energized position. This terminal
when energized supplies battery voltage to the deck
lid release solenoid. If OK, go to Step 3. If not OK,
repair the open circuit to the deck lid release sole-
noid as required.
(3) The coil battery (+) terminal (86) is connected
to the electromagnet in the relay. It has battery (+)
at all times. Check for battery voltage at cavity (86)
of the relay connector. If OK, go to Step 4. If not OK,
check for an open circuit to the deck lid release relay
and repair as necessary.
(4) The relay coil ground (-) terminal (85) is con-
nected to the Body Control Module Q33 circuit and
deck lid release switch. This terminal will receive a
ground (-) through the BCM, or the deck lid release
switch, when the key fob transmitter button, or the
deck lid release switch is depressed. If not OK, check
for an open circuit to the BCM and repair as neces-
sary.
(5) When the Vehicle Theft Security System is
armed the BCM opens the ground circuit to the deck
lid release switch.
DIAGNOSTIC CONDITIONS
When trouble shooting problems with the Remote
Keyless Entry System, always verify that the power
door lock/unlock switches are functional. If the doors
do not lock/unlock with the power switches, the fol-
lowing modules should be analyzed: Lock/Unlock
Switches, Body Control Module, and the door lock/
unlock latches. Refer to Group 8W, Wiring Diagrams.
FUSE TEST
If the following modules do not work:
• Remote Keyless Entry System
• Body Control Module
• Door lock switches
A blown fuse is the probable cause. The Body Con-
trol Module (BCM) battery feed fuse are located in
the Power Distribution Center (PDC). Check fuses 4,
15 and 18 in the PDC and fuses 4, 5 and 9 in the
Junction Block.
Key fob transmitter will not lock or unlock doors.
(1) Check that the BCM has power and ground.
(2) Re-synchronize the key fob rolling code with
the receiver by pressing and holding the lock button
then the deck lid button simultaneously for at least
five seconds. Then wait until the doors unlock indi-
cating that the code has been synchronized. This may
take as long as six minutes. This procedure is to be
used for a key fob transmitter that has been previ-
ously programmed to this vehicle only.
(3) If the RKE system still doesn’t function,
replace the key fob transmitter. Refer to Program-
ming Remote Keyless Entry Key Fob Transmitter.
All doors will not unlock with the key fob
transmitter.
(1) Using a voltmeter, check Pin 4 of the BCM 20
Pin connector for a voltage pulse (Fig. 3). Press the
unlock button once.
(2) If no voltage pulse, replace RKE module. If
voltage is measured, repair the harness between the
BCM and the driver door latch.
(3) Check Pin 1 of the BCM 20 Pin connector for a
quick voltage pulse when the unlock button is
pressed.
(4) If no voltage pulse is measured at Pin 1,
replace the BCM. Repair the harness between termi-
nal and lock latch.
Driver door will NOT unlock with the key fob
transmitter, but passenger door will unlock.
(1) Using a voltmeter, check Pin 4 of the BCM 20
Pin connector for a voltage pulse (Fig. 3). Depress the
unlock button. The voltmeter should read battery
voltage for approximately 1 second.
(2) If no voltage pulse is measured, replace the
BCM. If voltage is measured repair harness from
BCM to the driver door latch.
Driver door will unlock with the key fob
transmitter, but passenger door will not lock.
(1) Using a voltmeter, check Pin 1 of the BCM 20
Pin connector for a voltage pulse (Fig. 3). Press the
unlock button.
(2) If no voltage pulse is measured, replace the
BCM. If voltage is measured, repair the harness to
the door latch.
Doors do not lock with the key fob transmitter.
(1) Using a voltmeter, check Pins 10 and 11 of the
BCM 20 Pin connector for a voltage pulse (Fig. 3).
Press the lock button on the transmitter. Wait for
quick voltage pulse. It may be necessary to press the
key fob transmitter several times. The voltage pulse
only appears for milliseconds.
Fig. 3 BCM 20-Way Connector
JX
POWER LOCK SYSTEMS
8P - 3
DIAGNOSIS AND TESTING (Continued)
(2) If no voltage pulse is measured, replace BCM.
If a voltage is measured, repair the Junction Block as
necessary.
Doors will lock with the key fob transmitter but
there is no horn CHIRP.
(1) Press horn button, listen horn sound.
(2) If the horn does not CHIRP, check if horn is
disabled with the scan tool (DRB). Then check the
horn relay and the horn(s). Repair as necessary.
(3) Using a voltmeter, check horn relay for voltage
pulse. Press the lock button on the key fob transmit-
ter.
(4) If no voltage pulse measured, replace the BCM.
If voltage is measured, repair harness to the horn
relay.
Unable to program BCM with a new key fob
transmitter, door locks will not cycle.
Refer to the proper Body Diagnostic Procedure
Manual.
Unable to program BCM with a new key fob
transmitter, door locks cycle. The locks will not
cycle when the transmitter button is depressed.
Refer to the proper Body Diagnostic Procedure
Manual.
SERVICE PROCEDURES
HORN CHIRP ENABLE/DISABLE
The scan tool (DRB) must be used to enable/disable
the Horn Chirp. Refer to the scan tool (DRB) for the
procedure.
SYNCHRONIZATION OF ROLLING CODE
The key fob transmitter code will go out of syn-
chronization if any button is press more than 250
times outside the range of the receiver which is
inside of the BCM. In other words the transmitter
will not work. To synchronize the code of a particular
key fob transmitter with the receiver, press and hold
the lock button then the deck lid button simulta-
neously for at lease five seconds. Then wait until the
doors unlock indicating that the code has been syn-
chronized. This may take as long as six minutes.
This is for a key fob transmitter that has been pre-
viously programed to this vehicle only.
REMOVAL AND INSTALLATION
DECK LID RELEASE RELAY
REMOVAL
The relay is located on the right side just above the
brake pedal.
(1) Disconnect and isolate the remote negative bat-
tery cable.
(2) Grasp the relay and pull downward to discon-
nect the relay.
INSTALLATION
(1) Align the relay pins with the connector termi-
nals and push the relay in to place.
(2) Connect the remote negative battery cable and
reset customer presets.
BODY CONTROL MODULE (BCM)
Refer to Group 8E, Instrument Panel and Systems
for Removal and Installation.
ADJUSTMENTS
PROGRAMMING RKE MODULE
The scan tool (DRB) and the transmitter must be
used to program the Remote Keyless Entry Module.
Refer to the scan tool (DRB) for the procedure.
SPECIFICATIONS
TRANSMITTER CONTROL RANGE
Operation range is within 7 meters (23 ft.) of the
BCM.
8P - 4
POWER LOCK SYSTEMS
JX
DIAGNOSIS AND TESTING (Continued)
VEHICLE THEFT/SECURITY SYSTEMS
TABLE OF CONTENTS
page
page
DESCRIPTION AND OPERATION
VEHICLE THEFT SECURITY SYSTEM (VTSS) . . . 1
SENTRY KEY IMMOBILIZER SYSTEM (SKIS) . . . 2
CENTRAL LOCK/UNLOCK SYSTEM . . . . . . . . . . . 2
SENTRY KEY IMMOBILIZER MODULE
(SKIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SENTRY KEY IMMOBILIZER TRANSPONDER . . . 3
SENTRY KEY IMMOBILIZER SYSTEM
INDICATOR LAMP . . . . . . . . . . . . . . . . . . . . . . . 4
TRIGGERING THE VTSS. . . . . . . . . . . . . . . . . . . . 4
DIAGNOSIS AND TESTING
HEADLAMP RELAY. . . . . . . . . . . . . . . . . . . . . . . . 4
HORN RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SENTRY KEY IMMOBILIZER SYSTEM . . . . . . . . . 5
VEHICLE THEFT / SECURITY SYSTEM
(VTSS) SELF - TESTS . . . . . . . . . . . . . . . . . . . . 5
SERVICE PROCEDURES
INITIALIZATION . . . . . . . . . . . . . . . . . . . . . . . . . 6
TRANSPONDER PROGRAMMING . . . . . . . . . . . 6
REMOVAL AND INSTALLATION
(SKIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
VEHICLE THEFT/SECURITY SYSTEM (VTSS)
DECK LID SECURITY SWITCH . . . . . . . . . . . . . 8
VEHICLE THEFT/SECURITY SYSTEM (VTSS)
DOOR CYLINDER LOCK SWITCH . . . . . . . . . . . 8
DESCRIPTION AND OPERATION
VEHICLE THEFT SECURITY SYSTEM (VTSS)
DESCRIPTION
The Vehicle Theft Security System (VTSS) is avail-
able factory-installed optional equipment for this
model. It is a passive system and is designed to pro-
tect against whole vehicle theft. The system monitors
vehicle doors and deck lid key cylinder for unautho-
rized operation.
If the vehicle is equipped with VTSS, it will also
include the Sentry Key Immobilizer System (SKIS)
factory-installed option.
The VTSS activates:
• Sounding of the horn
• Flashing of the interior lamps
• Flashing of the headlamps
• An engine kill feature (SKIS module controlled)
OPERATION
Refer to the vehicle owner’s manual for more infor-
mation on the use and operation of the Sentry Key
Immobilizer System (SKIS). Refer to Group 8W, Wir-
ing Diagrams for complete circuit descriptions and
diagrams.
Passive arming occurs upon normal vehicle exit:
Open door, lock with power locks, close door. The
Vehicle Theft security LED lamp in the instrument
cluster will flash quickly for 15 seconds, indicating
that arming is in progress. If no monitored switches
are activated during this period, the system will arm.
After 15 seconds the LED lamp will continue to flash
but at a slower rate. This indicates that the system
is armed. If the deck lid key cylinder switch is not
sensed by the system, the LED lamp will remain lit
during the arming process, although the system will
still arm.
The system is to be considered as an active armed
system when using:
• The Remote Keyless Entry
• The Central Lock Feature.
If the LED lamp does not illuminate at all upon
door closing it indicates that the system is not arm-
ing or the LED lamp is not operation. Refer to the
System Self-Tests.
Passive disarming occurs upon normal vehicle
entry by unlocking either door with the ignition key/
remote transmitter. This disarming will also halt the
alarm once it has been activated.
A tamper alert exists to notify the driver that the
alarm had been activated. If the alarm has since
timed-out for at least 3 minutes but not more than
18 minutes the tamper alert will sound. If the trunk
lid has been activated the tamper alert will sound till
the VTSS is disarmed. The tamper alert consists of 3
horn pulses when the vehicle is disarmed.
JX
VEHICLE THEFT/SECURITY SYSTEMS
8Q - 1
The alarm system will not arm if the doors are
locked manually by pushing the lock knobs. This will
manually override the system.
The VTSS also deactivates the Universal Transmit-
ter (garage door opener) when the vehicle is armed.
The deck lid can only be opened using the key or
inside release handle when the VTSS is armed.
When the vehicle is disarmed, the systems are
restored to normal operation.
SENTRY KEY IMMOBILIZER SYSTEM (SKIS)
DESCRIPTION
The Sentry Key Immobilizer System (SKIS) is
designed to provide passive protection against unau-
thorized vehicle use by preventing the engine from
operating without a valid sentry key transponder.
The components of this system are:
• Sentry Key Immobilizer Module (SKIM)
• Sentry Key Transponder
• Vehicle Theft/Security System (VTSS) indicator
LED
• Powertrain Control Module (PCM)
The SKIM is installed on the steering column near
the ignition lock cylinder. The transponder is located
under the molded rubber cap on the head of the igni-
tion key. The VTSS indicator LED is located in the
instrument cluster.
The SKIS includes three valid Sentry Key tran-
sponders from the factory, one being a valet key. This
is so the customer can self program new keys if one
is lost. If the customer wishes, additional non-coded
blank Sentry Keys are available. These blank keys
can be cut to match a valid ignition key, but the
engine will not start unless the key transponder is
also programmed to the vehicle. The SKIS will recog-
nize no more than eight valid Sentry Key transpon-
ders at any one time.
OPERATION
The SKIS performs a self-test each time the igni-
tion switch is turned to the ON position, and will
store Diagnostic Trouble Codes (DTCs) if a system
malfunction is detected. The SKIS can be diagnosed,
and any stored DTC can be retrieved using a DRB
lll
t scan tool as described in the proper Body Diag-
nostic Procedures Manual.
CENTRAL LOCK/UNLOCK SYSTEM
DESCRIPTION
The central lock/unlock system uses the Vehicle
Theft Security System (VTSS) door key cylinder
switches to lock and unlock all doors using the key.
OPERATION
Turning the key to the lock position in the driver’s
or passenger’s door will lock all doors. Turning the
key in the driver’s door to the unlock position once
will unlock driver’s door only. Turning the key a sec-
ond time within five seconds of the first time will
unlock all doors. Turning the key in the passenger’s
door to the unlock position will unlock all doors.
Using the door key cylinder or the RKE transmit-
ter lock/unlock operation will arm/disarm the Vehicle
Theft Security System (VTSS).
SENTRY KEY IMMOBILIZER MODULE (SKIM)
DESCRIPTION
The Sentry Key Immobilizer Module (SKIM) con-
tains a Radio Frequency (RF) transceiver and a cen-
tral processing unit, which includes the Sentry Key
Immobilizer System (SKIS) program logic. The SKIS
programming enables the SKIM to program and
retain in memory the codes of at least two, but no
more than eight electronically coded Sentry Key
transponders. The SKIS programming also enables
the SKIM to communicate over the Chrysler Collision
Detection (CCD) data bus network with the Power-
train Control Module (PCM), the instrument cluster
and/or the DRB lll
t scan tool.
Fig. 1 Sentry Key Immobilizer Module (SKIM)
1 – STEERING COLUMN
2 – SENTRY KEY IMMOBILIZER MODULE
3 – SKIM CONNECTOR
4 – ANTENNA
5 – IGNITION KEY CYLINDER
8Q - 2
VEHICLE THEFT/SECURITY SYSTEMS
JX
DESCRIPTION AND OPERATION (Continued)
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