1993 CHEVROLET PLYMOUTH ACCLAIM horn

TURN SIGNALS AND HAZARD WARNING FLASHER
CONTENTS
page page
AG AND AJ BODIES ..................... 1
CHIME FUNCTIONÐAC, AG, AJ AND AY .... 1
DUAL-FUNCTION SWITCHÐAG AND AJ BODIES.5
GENERAL INFORMATION .................. 1
HAZARD WARNING SYSTEM .............. 1
MULTI-FUNCTION SWITCHÐAA, AC, AP AND AY BODIES .............................. 2 REMOTE TURN SIGNAL SWITCH REMOVALÐAG
AND AJ BODIES ....................... 5
TESTING PROCEDURES ................... 2
TURN SIGNAL AND HAZARD WARNING FLASHER LOCATION ............................ 6
TURN SIGNAL RELAYSÐAG AND AJ BODIES . 6
GENERAL INFORMATION
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAG, SEE GROUP 8M, RESTRAINT SYSTEMS FOR
AIRBAG REMOVAL PROCEDURES.
TURN SIGNALSÐAC, AY, AA AND AP BODIES
The turn signals are part of the multi-function switch.
Which contains electrical circuitry for turn signal, cor-
nering lamps, hazard warning, headlamp beam select,
headlamp optical horn, windshield wiper, pulse wipe
and windshield washer switching. The integrated switch
assembly is mounted to the left hand side of the steer-
ing column. When the driver wishes to signal his inten-
tions to change direction of travel, he moves the lever
upward to cause the right signals to flash and down-
ward to cause the left signals to flash. After completion
of a turn the system is deactivated automatically. As
the steering wheel returns to the straight ahead posi-
tion, a canceling cam of two lobes molded to the clock-
spring mechanism comes in contact with the cancel
actuator on the turn signal multi-function switch as-
sembly. Either cam lobe, pushing on the cancel actua-
tor, returns the switch to the off position. If only momentary signaling such as indication of a
lane change is desired, the switch is actuated to a left
or right intermediate detent position. In this position
the signal lamps flash as described above, but the
switch returns to the OFF position as soon as the lever
is released.
When the system is activated, 1 of 2 indicator
lamps mounted in the instrument cluster flashes in
unison with the turn signal lamps, indicating to the
driver that the system is operating.
AG AND AJ BODIES
The turn signals are actuated with lever on the left
side of the instrument panel switch pod. When the
driver wishes to signal his intentions to change di- rection of travel, he moves the lever upward to cause
the right signals to flash and downward to cause the
left signals to flash. After completion of a turn the system is deacti-
vated automatically. The cancellation switch in the
steering column sends a signal to a remote turn sig-
nal switch in the switch pod to cancel the turn signal
function. As the steering wheel returns to the
straight ahead position from a turn, a cancel cam
which is located on the steering wheel contacts a
cancel flipper located on the cancellation switch.
When the flipper is contacted by the cancel cam in
the proper rotational direction, the cancel switch
sends a signal to the remote turn signal switch. If only momentary signaling such as indication of a
lane change is desired, the switch is actuated to a
left or right intermediate detent position. In this po-
sition the signal lamps flash as described above, but
the switch returns to the OFF position as soon as the
lever is released. When the system is activated, 1 of 2 indicator
lamps mounted in the instrument cluster flashes in
unison with the turn signal lamps, indicating to the
driver that the system is operating.
HAZARD WARNING SYSTEM
The hazard warning system is actuated by a push
button located on the top of the steering column be-
tween the steering wheel and the instrument panel.
The hazard switch is identified with a double trian-
gle on top of the button. Push and release the button
to turn the hazard function ON or OFF. The button
will move out from the steering column in the ON
position and will remain in toward the column in the
OFF position.
CHIME FUNCTIONÐAC, AG, AJ AND AY
The chime will sound after the vehicle has traveled
a distance of 0.6 miles at a speed above 15 miles per
hour.
Ä TURN SIGNALS AND HAZARD WARNING FLASHER 8J - 1

TESTING PROCEDURES
MULTI-FUNCTION SWITCH TESTS AA, AC, AP, AND AY BODIES
The multi-function switch contains electrical cir-
cuitry for turn signal, cornering lamps (optional),
hazard warning, headlamp beam select, headlamp
optical horn, windshield wiper, pulse wipe, and wind-
shield washer switching. This integrated switch as-
sembly is mounted to the left hand side of the
steering column. Should any function of the switch
fail, the entire switch assembly must be replaced. Re-
fer to Fig. 1 for diagnosis. To test the switch, first disconnect the negative
battery cable, then remove the upper and lower col-
umn covers to gain access to the switch connector.
Remove switch connector. Using an ohmmeter, test
for continuity (no resistance) between the terminals
of the switch as shown in the following continuity
charts (Fig 2 or 3).
DUAL-FUNCTION SWITCH TESTSÐAG AND AJ BODIES
The dual-function switch contains electrical cir-
cuitry for hazard warning switching, and circuitry
and electronics for turn signal cancellation. The
switch assembly is mounted to the left hand side of
the steering column. To test the hazard warning portion of the switch,
first disconnect the negative battery cable, then re-
move the upper and lower steering column covers to
gain access to the switch connector. Remove switch
connector (Fig. 4). Using an ohmmeter, test for con-
tinuity between the terminals of the switch as shown
in the following continuity chart (Fig. 5). To test the cancellation portion of the switch:
(1) Reconnect battery and switch connector (Fig.
5). (2) Connect voltmeter positive lead (+) to pin 8
and negative lead (-) to ground. (3) Place ignition switch to the ON position. Volt-
meter should read battery voltage. If no voltage is
present, check feed wire to pin 8. If battery voltage is
present continue with switch test.
RIGHT CANCELLATION TEST (1) Connect one side of a jumper wire to pin 3 and
the other end of jumper wire to ground. (2) Connect the positive lead (+) of a voltmeter to
pin 5 and the negative lead (-) to ground.
CAUTION: Do not allow pin 5 to become grounded
during test, switch failure will result.
(3) With the ignition switch in the ON position,
push the cancellation pawl down and read the volt-
meter. (4) The voltmeter should show at least 9 volts. (5) If voltage is 0 to 8 volts the cancellation switch
is defective. If voltage is 9 volts or more the cancel-
lation switch is working correctly.
LEFT CANCELLATION TEST
(1) Connect one side of a jumper wire to pin 4 and
the other end of jumper wire to ground. (2) Connect the positive lead (+) of a voltmeter to
pin 5 and the negative lead (-) to ground.
CAUTION: Do not allow pin 5 to become grounded
during test, switch failure will result.
(3) With the ignition switch in the ON position,
push the cancellation pawl up and read the voltme-
ter. (4) The voltmeter should show at least 9 volts.
(5) If voltage is 0 to 8 volts the cancellation switch
is defective. If voltage is 9 volts or more the cancel-
lation switch is working correctly.
REMOTE TURN SIGNAL SWITCH TESTÐAA AND AJ BODIES
The remote turn signal switch is located on the left
side of the instrument panel switch pod. To test, re-
move switch pod assembly from instrument panel.
Using an ohmmeter, test for continuity between the
terminals of the switch as shown in the following
continuity chart (Fig. 6). The white 7 way connector
next to the 14 way connector must be connected
when performing continuity checks.
CANCELLATION SOLENOID TESTÐAG AND AJ BODIES
To test the turn signal cancellation solenoid:
(1) Remove switch pod from instrument panel.
(2) Connect one end of a jumper wire to the posi-
tive terminal of the battery, the other end to pin 6 of
the turn signal switch 14 way connector. (3) Place turn signal switch in the left turn mode.
(4) Take a second jumper wire and connect one end
to a good ground. Momentarily touch the other end of
the jumper wire to pin 11 or 14. The solenoid should
energize, and return the switch to its center OFF po-
sition. (5) Place turn signal switch in the right turn
mode. (6) Repeat step 4. The solenoid should energize,
and return the switch to its center OFF position. (7) If switch does not return to center in either di-
rection, the switch is defective.
MULTI-FUNCTION SWITCHÐAA, AC, AP AND AY
BODIES
REMOVAL
(1) Disconnect negative battery cable.
(2) Tilt column only remove tilt lever.
8J - 2 TURN SIGNALS AND HAZARD WARNING FLASHER Ä

CLOCKSPRING
WARNING: BEFORE BEGINNING ANY AIR BAG
SYSTEM REMOVAL OR INSTALLATION PROCE-
DURES, REMOVE AND ISOLATE THE BATTERY
NEGATIVE (-) CABLE (GROUND) FROM THE VEHI-
CLE BATTERY. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIR BAG SYSTEM. FAILURE TO DO
SO COULD RESULT IN ACCIDENTAL AIR BAG DE-
PLOYMENT, AND POSSIBLE INJURY.
WHEN AN UNDEPLOYED AIR BAG ASSEMBLY
IS TO BE REMOVED FROM THE STEERING
WHEEL, DISCONNECT BATTERY GROUND CA-
BLE AND ISOLATE. ALLOW SYSTEM CAPACI-
TOR TO DISCHARGE FOR TWO MINUTES, THEN
BEGIN AIR BAG REMOVAL.
REMOVAL
(1) Place the front wheels in the straight ahead po-
sition before starting the repair. (2) Disconnect battery negative cable and isolate.
(3) Wait two minutes for the reserve capacitor to
discharge before removing undeployed module. (4) Remove the air bag module.
(5) Remove Speed Control switch and connector if
so equipped or cover. (6) Disconnect horn terminals.
(7) Remove the steering wheel.
(8) Remove upper and lower steering column
shrouds to gain access to clockspring wiring. (9) Disconnect the 2-way connector between the
clockspring and the instrument panel wiring harness
on top of the fuse block. (10) To remove, pull clockspring assembly from the
steering column by lifting locating fingers as neces-
sary. The clockspring cannot be repaired, and must
be replaced if faulty.
INSTALLATION
(1) Snap clockspring onto the steering column. If
the clockspring is not properly positioned, follow the
clockspring centering procedure before installing
steering wheel. (2) Connect the clockspring to the instrument
panel harness, ensure wiring locator clips are prop-
erly seated on wiring trough. Ensure harness locking
tabs are properly engaged. (3) Install steering column shrouds. Be sure air
bag wire is inside of shrouds. (4) Front wheels should still be in the straight-
ahead position. Install steering wheel, ensure the
flats on hub align with clockspring. Pull the horn
lead through the smaller upper hole. Pull the air bag
and speed control leads through the larger bottom
hole. Ensure leads are not pinched under the steer-
ing wheel. (5) Connect the horn lead wire, then the air bag
lead wire to the air bag module. (6) Install the air bag module and tighten nuts to
9to11N Im (80 to 100 in. lb.) torque.
(7) Install speed control switch and connector or
cover. (8) Do not connect battery negative cable. Refer to
Air Bag Systems Check for proper procedure.
CLOCKSPRING CENTERING PROCEDURE
If the rotating tape within the clockspring is not
positioned properly with the steering wheel and the
front wheels, the clockspring may fail during use.
The following procedure MUST BE USED to center
the clockspring if it is not known to be properly po-
sitioned, or if the front wheels were moved from the
straight ahead position.
WARNING: BEFORE BEGINNING ANY AIR BAG
SYSTEM REMOVAL OR INSTALLATION PROCE-
DURES, REMOVE AND ISOLATE THE BATTERY
NEGATIVE (-) CABLE (GROUND) FROM THE VEHI-
CLE BATTERY. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIR BAG SYSTEM. FAILURE TO DO
THIS COULD RESULT IN ACCIDENTAL AIR BAG
DEPLOYMENT AND POSSIBLE INJURY.
WHEN AN UNDEPLOYED AIR BAG ASSEMBLY
IS TO BE REMOVED FROM THE STEERING
WHEEL, DISCONNECT BATTERY GROUND CA-
BLE AND ISOLATE. ALLOW SYSTEM CAPACI-
TOR TO DISCHARGE FOR TWO MINUTES, THEN
BEGIN AIR BAG REMOVAL. (1) Place front wheels in the straight ahead posi-
tion. (2) Wait two minutes for the reserve capacitor to
discharge before removing undeployed module. (3) Refer to Steering Wheel procedures for removal
of air bag module and steering wheel. (4) Depress the two plastic locking pins to disen-
gage locking mechanism (Fig. 10). (5) Keeping locking mechanism disengaged, rotate
the clockspring rotor in the CLOCKWISE DIREC-
TION to the end of travel. Do not apply excessive
torque. (6) From the end of travel, rotate the rotor two full
turns and a half in the counterclockwise direction.
The horn wire should end up at the top and the squib
wire at the bottom. Engage clockspring locking
mechanism. (7) Refer to Steering Wheel procedures for installa-
tion of steering wheel and air bag module. (8) Do not connect battery negative cable. Refer to
Air Bag System Check for proper procedure.
8M - 6 RESTRAINT SYSTEMS Ä

STEERING WHEEL
WARNING: BEFORE BEGINNING ANY AIR BAG
SYSTEM REMOVAL OR INSTALLATION PROCE-
DURES, REMOVE AND ISOLATE THE BATTERY
NEGATIVE (-) CABLE (GROUND) FROM THE VEHI-
CLE BATTERY. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIR BAG SYSTEM. FAILURE TO DO
THIS COULD RESULT IN ACCIDENTAL AIR BAG
DEPLOYMENT AND POSSIBLE PERSONAL INJURY. WHEN AN UNDEPLOYED AIR BAG ASSEMBLY
IS TO BE REMOVED FROM THE STEERING
WHEEL, DISCONNECT BATTERY GROUND CA-
BLE AND ISOLATE. ALLOW SYSTEM CAPACI-
TOR TO DISCHARGE FOR TWO MINUTES.
BEGIN AIR BAG REMOVAL.
REMOVAL
(1) Make sure front wheels are straight, and steer-
ing column is locked in place. (2) Disconnect battery negative cable and isolate.
(3) Wait two minutes for the reserve capacitor to
discharge before removing undeployed module. (4) Remove four nuts attaching air bag module
from the back side of steering wheel. (5) Lift module, and disconnect connector from rear
of module. (6) Remove speed control switch and connector if
so equipped or cover. (7) Remove steering wheel retaining nut.
(8) Remove steering wheel with steering wheel
puller Tool C-3428B.
INSTALLATION
(1) If the clockspring is not properly positioned or if front wheels were moved, follow the clockspring
centering procedure before installing steering wheel.
With the front wheels in the straight ahead position.
Position the steering wheel on the steering column.
Making sure to fit the flats on the hub of the steer-
ing wheel with the formations on the inside of the
clockspring. Pull the air bag and speed control wires
through the lower, larger hole in the steering wheel
and the horn wire through smaller hole at the top.
Make sure not to pinch wires (Fig. 11).
(2) Install retaining nut, and tighten to 61 N Im (45
ft. lbs.) torque. (3) Connect horn wiring lead.
(4) Connect 4-way connector to speed control
switch and attach switch to steering wheel. (5) Connect air bag lead wire to air bag module,
and secure module to steering wheel. (6) Do not connect negative battery cable. Refer to
Air Bag System Check for proper procedure.
STEERING COLUMN SWITCHES
This procedure covers the removal and installation
of the steering wheel and clockspring. Once the
steering wheel and clockspring have been removed,
refer to the appropriate section of this service man-
ual for switch replacement.
WARNING: BEFORE BEGINNING ANY AIR BAG
SYSTEM REMOVAL OR INSTALLATION PROCE-
DURES, REMOVE AND ISOLATE THE BATTERY
NEGATIVE (-) CABLE (GROUND) FROM THE VEHI-
CLE BATTERY. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIR BAG SYSTEM. FAILURE TO DO
THIS COULD RESULT IN ACCIDENTAL AIR BAG
DEPLOYMENT AND POSSIBLE INJURY.
WHEN AN UNDEPLOYED AIR BAG ASSEMBLY
IS TO BE REMOVED FROM THE STEERING
WHEEL, DISCONNECT BATTERY GROUND CA-
BLE AND ISOLATE. ALLOW SYSTEM CAPACI-
Fig. 10 Clockspring (Auto-Locking)
Fig. 11 Steering Wheel Wiring
Ä RESTRAINT SYSTEMS 8M - 7

to the deck lid open position. If the pull down limit
switch is depressed at this time, the motor should
stop.(c) If these results are not obtained, replace the
pull down motor assembly.
REMOTE KEYLESS ENTRY
OPERATION
The transmitter has three buttons for operation
(Fig. 11).
² UNLOCK driver's door, enable illuminated entry,
and disarm the Theft Security System. Pushing and
releasing the button once will unlock the driver's
door. Two times within five seconds all doors will un-
lock.
² LOCK all doors, set Theft Security System and
chirp horn. Chirp of horn is a short toot to notify
that the alarm system is set and the indicator lamp
on the instrument panel will flash for about 15 sec-
onds.
² Unlock Trunk Lid
² The receiver is capable of retaining VAC even
when power is removed.
² Each receiver must have at least one and no more
than two transmitters.
CONTROL RANGE
Operation range is within 7 meters (23 ft.) of the
receiver.
TRANSMITTER BATTERY
The battery can be removed without special tools
and are readily available at local retail stores. The
recommended battery is Duracell DL 2016 or equiv-
alent. Battery life is about one to two years.
PROGRAM REMOTE KEYLESS ENTRY
(1) Remove trim cover or floor console as needed
that may be covering the Air Bag System Diagnostic
Module (ASDM). (2) Pull floor carpeting back between the accelera-
tor peddle and ASDM. (3) Locate program line a dark green wire with a
insulator on the end. Located between the accelerator
and (ASDM). (4) Turn ignition switch to the ON position.
(5) Connect the program line from the Remote
Keyless Entry Module to ground. The door locks will
lock and unlock to indicate the receiver is ready to
receive transmitter code. Trunk solenoid will not cy-
cle. (6) Press any button on the transmitter to set code.
If there is a second transmitter it has to be set at
this time. The locks will cycle to confirm program-
ming. (7) Disconnect the program line from ground. This
returns the system to its normal operation mode. (8) Replace trim cover or floor console as neces-
sary.
HORN CHIRP CANCELLATION
During the programming operation the horn chirp
can be disabled using the following procedures: (1) Remove trim cover or floor console as needed
that may be covering the Air Bag System Diagnostic
Module (ASDM). (2) Pull floor carpeting back between the accelera-
tor peddle and ASDM. (3) Locate program line a dark green wire with a
insulator on the end. Located between the accelerator
and (ASDM). (4) Turn ignition switch ON.
(5) Connect the program line from the Remote
Keyless Entry Module to ground. The door locks will
lock and unlock to indicate the receiver is ready to
receive transmitter code. Trunk solenoid will not cy-
cle. (6) Press any button on the transmitter to set code.
If there is a second transmitter it has to be set at
this time. The locks will cycle to confirm program-
ming. (7) Press LOCK then UNLOCK transmitter but-
tons repeat three times. (8) Door locks and rear release will cycle three
times as feedback of Horn Chirp lockout. (9) Remove ground from program line to restore
normal system operation. (10) To reinstate the Horn Chirp feature refer to
Program Remote Keyless Entry.
TESTING
CONDITION: When trying to program the receiver
module in the vehicle with a new transmitter and
there is no response from the module, Example: the
door locks do not cycle through a lock/unlock routine.
Refer to Fig. 12 for a block wiring diagram or to
Group 8W, Wiring Diagrams.
Fig. 11 Transmitter
Ä POWER LOCKS 8P - 5

(1) Be sure that the module has a battery feed
from the 20 Amp breaker in cavity 1 of the black
connector. Also affected would be the optical horn
and the stop lamps. (2) Be sure that the module has an ignition feed
from 5 Amp fuse in cavity 8 of the black connector.
Also affected would be the body computer, instru-
ment cluster and message center. (3) Be sure that the module has a ground from the
right side cowl behind the body computer to the cav-
ity 5 of the black connector. (4) Be sure that you are supplying a good ground
to the programming wire. (5) If the above circuits are good, replace the Re-
ceiver Module. CONDITION: Doors can be locked or unlocked with
the Keyless Entry transmitter. But the doors will not
lock. The Vehicle Theft Alarm system will not arm,
when using only the power door LOCK switch in the
driver's door. (1) Be sure you have not left key in the ignition
column lock cylinder. (2) If step 1 is OK, check the Key in Lock switch
circuit in the steering column for a short to ground. (3) In this problem the body computer controls the
LOCK function. Be sure that it is providing a battery
voltage output to the door lock relay. The door lock
relay controls the door lock motors. CONDITION: Doors will lock but Vehicle Theft
System will not arm when using the transmitter. (1) The Keyless Entry Receiver Module controls
the door lock signal to the door lock relay. The door
lock relay controls the door lock motors. Check for
battery voltage at cavity 10 of the Theft Alarm mod-
ule from the Receiver module. (2) If voltage is OK, replace Receiver module.
CONDITION: All doors except driver's door will
lock with the transmitter. (1) Test the driver's door output of the Receiver
Module for a ground. (2) If there is no ground at the pin, replace the Re-
ceiver module. (3) If there is a ground at the output, replace the
door lock motor. CONDITION: Only driver's door will lock with the
transmitter.
² Repair ground circuit to unlock relay
² Replace unlock relay
CONDITION: Doors do not lock with the transmit-
ter, but still get horn CHIRP that indicates that they
did lock. Replace Receiver module. CONDITION: Doors will lock with the transmitter
but there is no horn CHIRP. (1) Press horn button, listen horn sound.
(2) If the horn sounded, change horn relay. (3) Still no CHIRP, check continuity between the
horn relay and the receiver output pin. Repair as
necessary. (4) Still no horn CHIRP, replace the receiver mod-
ule. (5) If using a DRB II, refer to Body Diagnostic Pro-
cedures.
REMOTE KEYLESS MODULE REPLACEMENT
(1) Remove lower right instrument panel silencer.
(2) Remove glove box assembly.
(3) Remove three screws attaching the mounting
bracket to instrument panel. (4) Lower bracket and module assembly, to discon-
nect wire connector. (5) Remove two screws attaching the Remote Key-
less entry Module to bracket. (6) Remove two screws attaching the security mod-
ule to bracket. (7) To installation reverse above procedures.
LAMP OUTAGE MODULE REPLACEMENT
(1) Remove lower right instrument panel silencer.
(2) Remove glove box and ash receiver module.
(3) Remove three screws attaching the mounting
bracket to instrument panel. (4) Lower bracket and module assembly, to discon-
nect wire connectors. (5) Remove two screws attaching the Lamp Outage
Module to bracket. (6) Remove two screws attaching the security mod-
ule to bracket. (7) To installation reverse above procedures.
DOOR LOCK INHIBIT
The power door lock inhibit system prevents the
doors from being locked using the power door locks
when either of two conditions occur: (1) The key is in the ignition switch and any of the
doors are open. The ignition switch does not have to
be ON. (2) The key is in the ignition switch and the head-
lamp are on.
AC, AG, AJ AND AY BODIES
With the ignition switch in the ON or OFF position
and the driver's door open the Body Controller will
ignore the command to lock the power door locks.
Once the key is removed, or the driver's door is
closed, the Body Controller will allow the power door
locks to lock. Refer to Body Diagnostic Procedure
Manual for further testing procedures.
8P - 6 POWER LOCKS Ä

VEHICLE THEFT SECURITY SYSTEM
CONTENTS
page page
GENERAL INFORMATION .................. 1
SECURITY SYSTEM DOOR SWITCH REPLACEMENT ........................ 2
SECURITY SYSTEM HOOD SWITCH REPLACEMENT ........................ 2 SYSTEM SELF-TESTS
.................... 1
VEHICLE THEFT SECURITY SYSTEM MODULE REPLACEMENT ........................ 2
WHAT WILL TRIGGER THE SYSTEM ........ 1
GENERAL INFORMATION
JUMP-STARTING, VEHICLE EQUIPPED
WITH THEFT SECURITY SYSTEM . After the
booster battery has been connected, the Theft System
must be turned OFF. Using the key, lock then un-
lock either front door. This turns the Theft System
OFF and the remainder of the Jump-Starting proce-
dure can be followed. If this procedure is not followed, the Theft System
electronics will prevent the engine from starting. If a new Powertrain Control Module is installed,
the engine has to be cranked 20 times before the
alarm system activated. This passive system is designed to protect against
whole vehicle theft. The system monitors vehicle
doors, hood, trunk key cylinder, and ignition action
for unauthorized operation. The alarm activates by
sounding the horn, flashing the park and tail lamps,
and providing an engine kill feature (Fig. 1). Passive arming occurs upon normal vehicle exit,
open door, lock with power locks, close door. The SET
lamp in the panel will flash for 15 seconds, indicat-
ing that arming is in progress. If no monitored sys-
tems are activated during this period, the system
will arm. If the hood or trunk key cylinder switches
are not sensed by the system. The SET lamp will re-
main lit during the arming process, although the sys-
tem will still arm. The system is to be considered as
an active armed system when using the Remote Key-
less Entry. If the SET lamp does not illuminate at all
upon door closing it indicates that the system is not
arming. Passive disarming occurs upon normal vehicle en-
try unlocking either door with the key, or unlocking
using the Remote Keyless transmitter. This disarm-
ing will also halt the alarm once it has been acti-
vated. Whenever the battery is disconnected and recon-
nected, the Vehicle Theft Security System enters
power up alarm mode which flashes the park and tail
lamps and prevents the engine from running. To exit
this mode, the system must be disarmed as men-
tioned above. A tamper alert exists to notify the driver that the
alarm had been activated, and the alarm has since
timed-out for more than 18 minutes. This alert con-
sists of 3 horn pulses when the vehicle is disarmed. The alarm system will not arm if the doors are
manually locked, providing a manual override of the
alarm.
WHAT WILL TRIGGER THE SYSTEM
One of the following actions will trigger the system
while it is armed. Without properly disarming sys-
tem, by using the key or the remote transmitter. (1) Opening the HOOD.
(2) Opening any DOOR.
(3) Removing the TRUNK KEY CYLINDER.
(4) Turning the IGNITION ON.
(5) The ignition switch can be turned to the acces-
sory position without triggering alarm system.
SYSTEM SELF-TESTS
A diagnostics mode is available in the system to
verify operation of all monitored switches or circuits.
To enter diagnostics, cycle the ignition key to the ac-
cessory position 3 times, leaving the key in this po-
sition. Upon entering diagnostics, the park and tail lamps
will begin flashing to verify their operation. In addi-
tion, the horn will sound twice to indicate that the
trunk key cylinder is in its proper position. Return-
ing the ignition to the OFF position will stop the
lamps from flashing while keeping the system in di-
agnostics. While in diagnostics mode, a horn pulse should oc-
cur at each of the following events indicating proper
operation: (1) Beginning with all doors closed, open then close
each door. The horn will sound when the door ajar
switch closes, and then again when the switch opens.
There must b e a 1 second delay between closing and
opening the switch. (2) Open, then close the hood. The horn will sound
when the hood is opened, and again when it is closed.
Ä VEHICLE THEFT SECURITY SYSTEM 8Q - 1

(3) Activate the power door locks in both the
LOCK and UNLOCK directions. The horn will sound
after each activation. (4) Rotate the key in each of the door lock cylin-
ders to the unlock position. The horn will sound as
the switch closes, and again when it opens. There
must b e a 1 second delay between changing switch
states, or the horn will not sound.
² Press the LOCK button,horn will sound.
² Press the UNLOCK button, horn will sound.
(5) Cycle the key to the ignition RUN position. A
single horn pulse will indicate proper operation of
the ignition input. This will also take the module out
of the diagnostics mode. For any of these tests, if the
switch does not remain open or closed for at least 1
second, the horn will only sound once. The lack of a horn pulse, during any operation, in-
dicates a switch failure. Check for continuity at the
switch, if this is good, check for an open or shorted
wire between the switch and alarm module. Also,
check if a new powertrain control module has been
installed recently. Vehicle Theft Security System will
not function until 20 engine cranks. Whenever a Vehicle Theft Security System mal-
function occurs, first verify that the wire harness is
properly connected to all connectors before starting
normal diagnosis and repair procedures. Refer to Ve-
hicle Theft Security System Diagnosis Chart (Fig. 3).VEHICLE THEFT SECURITY SYSTEM MODULE
REPLACEMENT
If the Vehicle Theft Security System module is be-
ing removed and no replacement module is being in-
stalled, the module wiring must be disconnected
while the engine is running. Failure to do so will
cause a no-start condition (Fig. 3 and 4). (1) Remove lower right instrument panel silencer.
(2) Remove glove box assembly.
(3) Remove three attaching screws mounting the
bracket to instrument panel. (4) Lower bracket and module assembly, to discon-
nect wire connectors. (5) Remove the Remote keyless module so to have
access to the Security Module two screws attaching
module to bracket. (6) For installation reverse above procedures.
SECURITY SYSTEM HOOD SWITCH REPLACEMENT
(1) Remove screw from left inner fender (Fig. 5).
(2) Disconnect wiring.
(3) Remove switch.
(4) For installation reverse above procedures.
SECURITY SYSTEM DOOR SWITCH REPLACEMENT
(1) Remove door trim panel and water shield. Re-
fer to Group 23, Body.
Fig. 1 Vehicle Theft Security System Components
8Q - 2 VEHICLE THEFT SECURITY SYSTEM Ä