Dodge Stealth 1994, Service Manual

Page: 421 / 434

CHASSIS ELECTRICAL
Theft-alarm System
TROUBLESHOOTING QUICK-REFERENCE TABLE
For information concerning the locations of electrical components, refer to
1
I. ARMING DISARMING RELATIONSHIP
Trouble symptom Remedy Cause
Damaged or disconnected
wiring of ECU power
supply circuit
Damaged or disconnected
wiring of door switch
input circuit
Damaged or disconnected
wiring of SECURITY light
activation circuit
Blown SECURITY light bulb
Malfunction of the ECU.
Damaged or disconnected
wiring of a door key
cylinder and the
unlock switch input circuit.
Malfunction of a door key
cylinder and the
unlock switch.
Malfunction of the ECU.
Check method
Check by using check
chart Replace the fusible
link No.
the
fuse No.
Repair the harness.
The system is not armed
(The SECURITY light doesn’t
illuminate, and the alarm
doesn’t function.)
(The central door locking
system functions normally.
If the central locking system
does not function normally,
refer to
The arming procedures are
followed, but the SECURITY
light does not illuminate.
(There is an alarm, however,
when an alarm test is
conducted after about 20
seconds have passed.)
Check by using check
chart Repair the harness or
replace the door
switch.
Check by using check
chart P.8-426. Replace the fusible link
No.
6
orthefuse
8
No.
Repair the harness.
Replace the bulb.
Replace the ECU.
The alarm sounds in error
when, while the system is
armed, a door or the
is unlocked by using the key.
If input checks
indicate a malfunction,
check by using check
chart P.8-423. Repair the harness or
replace a door key
cylinder and the
unlock
switch.
Replace the ECU.
2. ACTIVATION DEACTIVATION RELATIONSHIP
Trouble symptom
Remedy
Cause
Check method
Damaged or disconnected
wiring of door switch
If input checks
indicate a malfunction,
(all doors) input circuit check by using check
chart
Malfunction of the door
switch
Malfunction of the ECU
Damaged or disconnected
wiring of switch
If input checks
indicate a malfunction,
input circuit
check by using check
chart
Malfunction of the
switch.
Malfunction of the ECU.
Damaged or disconnected If input checks
wiring of hood switch indicate a malfunction,
input circuit. check by using check
chart
Malfunction of the hood
switch.
Malfunction of the ECU.
There is no alarm when, as an
alarm test, a door is opened
without using the key.
(The arming and disarming are
normal, and the alarm is
activated when the
or
hood is opened.)
Repair the harness or
replace the door
switch.
Replace the ECU.
There is no alarm when, as an
alarm test, the
is
opened without using the key.
(The alarm is activated,
however, by
opening a door or
the hood.)
Repair the harness or
replace the
switch.
Replace the ECU.
There is no alarm when, as an
alarm test, the hood is opened
from within the vehicle.
(The alarm is activated,
however, by opening a door or
the liftgate.)
Repair the harness
or replace the hood
switch.
Replace the ECU.