THEFT-ALARM SYSTEM Troubleshooting
TROUBLESHOOTING
QUICK-REFER-
ENCE TABLE (ETACS-RELATED PROB-
LEMS ONLY)
For information concerning the locations of electric-
al components, refer to GENERAL.
1. ARMING/DISARMING RELATIONSHIP
Problem
Probable cause
Check method
Remedy
The system is not armed even
Damaged or disconnected
Check by the circuit
Replace the fuse No. 17
though the arming procedures
wiring of ECU power supply
check No. 1 proce-
or repair the harness.
are followed.
circuit
dures.
(The SECURITY light doesn’t illu-
minate, and the alarm doesn’t
Malfunction of the door lock
Check by following
Replace the door lock
function.)
actuator switch
dividual part and the
actuator or repair the
[The central door locking
circuit check No. 6
harness.
however, should function
Short-circuit of door lock
cedures.
normally. If the central locking
actuator switch input circuit
system does not function nor-
mally, refer to GROUP
Damaged or disconnected
Check by following
Repair the harness or
wiring of left-front and
dividual part and circuit
replace the door switch.
front door switch input
check No. 5 proce-
dures.
Malfunction of the ECU
Replace the ECU.
The arming procedures are
Damaged or disconnected
Check by following
Replace the fuse
lowed, but the SECURITY light
wiring of SECURITY light
dividual part and circuit
or repair the harness.
doesn’t illuminate.
power supply or drive
check No. 9 proce-
(There is an alarm, however,
dures.
an alarm test is conducted
after about 20 seconds have
Damaged or disconnected
Replace the light bulb.
of SECURITY light
Malfunction of the ECU
Replace the ECU.
The armed condition is not main-
Damaged or disconnected
Check by following
Repair the harness or
tained when a door is unlocked
wiring of door lock actuator
dividual part and the
replace the door lock
the SECURITY light is
input circuit
circuit check No. 6
actuator.
(after the arming proce-
cedures.
are completed).
Malfunction of the door lock
actuator switch
Malfunction of the ECU
Replace the ECU.
alarm sounds in error when,
Damaged or disconnected
If a malfunction is
Repair the harness or
the system is armed, the
wiring of trunk lid
key
as a result of
replace the trunk lid key
runk lock is unlocked by using
der unlock switch input
checking the input
cylinder.
he key.
check by follow-
ing individual part and
Malfunction of the trunk lid
the circuit check
key cylinder unlock switch
procedures.
Malfunction of the ECU
Replace the ECU.
NOTE
The “ECU” (electronic control unit) indicates the ETACS control unit.
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