Troubleshooting Electronic Alarms (Hyundai Accent LC)

Malfunction	Probable causes	Method of elimination
Electronic alarm does not turn on (siren does not sound)	The converter is faulty	Replace the converter
	The storage device is faulty	Replace the drive
	Damaged or disconnected electrical wiring from the door switch	Repair the electrical circuit or reconnect the connector
	ETACS unit faulty	Replace the ETACS unit
Incorrect operation of the siren when opening the door or trunk lid with the key and the alarm system is activated	Damage or disconnection of electrical wiring from door and trunk lid lock cylinders	Restore the electrical circuit or connect to the door and trunk lid lock cylinders
	ETACS unit faulty	Replace the ETACS unit
Engine won't start when alarm is off	The alarm system relay is faulty	Replace the alarm system relay
	Damage or disconnection of the electrical wiring of the security alarm system in the relay protection circuit of the starting circuit	Restore the electrical wiring
	ETACS unit faulty	Replace the ETACS unit
No alarm when door is opened without key (alarm on/off works fine and alarm is energized when trunk lid or hood is open)	Damaged or disconnected electrical wiring from the door switch (all doors)	Repair the electrical circuit or replace the door switch
	The door switch does not work	Check the door switch
	ETACS unit faulty	Replace the ETACS unit
No alarm when opening the trunk lid without a key (the alarm is energized when the door or hood is open)	Damaged or disconnected wiring from the trunk lid switch	Repair the electrical circuit or replace the trunk lid switch
	The trunk lid switch does not work	Check the trunk lid switch
	ETACS unit faulty	Replace the ETACS unit
No alarm when hood is opened (alarm is energized when door or trunk lid is opened)	Damaged or disconnected wiring from the hood switch	Repair the electrical circuit or replace the hood switch
	The hood switch does not work	Check the hood switch
	ETACS unit faulty	Replace the ETACS unit