THEFT DETERRENT SYSTEM > PROBLEM SYMPTOMS TABLE

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order to probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Troubleshooting of the theft deterrent system is based on the premise that the door lock control system and the entry and start system are operating normally. Check these systems first before troubleshooting the theft deterrent system.

Theft deterrent system
Symptom	Suspected area	See page
Theft deterrent system cannot be set	Engine hood courtesy switch circuit	Click here
	Door lock position detection circuit	Click here
	Door courtesy light switch circuit	Click here
	ECU power source circuit	Click here
Security indicator is not blinking when theft deterrent system is set	Security indicator circuit	Click here
Alarm sounding state cannot be canceled when engine switch is turned on	IG power source circuit	Click here
Theft deterrent system can be set even when door is open	Door courtesy light switch circuit	Click here
Horns (low pitched, high pitched) do not sound while theft deterrent system is in alarm sounding state	Horn circuit	Click here
Hazard warning lights do not flash while theft deterrent system is in warning operation	Hazard warning circuit	Click here
Security horn does not sound while theft deterrent system is set*1	Security horn circuit	Click here
Headlights do not flash while theft deterrent system is in alarm sounding state*1	Headlight circuit	Click here
Taillights do not flash while theft deterrent system is in alarm sounding state*1	Taillight circuit	Click here
Room light does not illuminate while theft deterrent system is in an alarm sounding state	Room light circuit	Click here
Theft warning siren does not sound when theft deterrent system is in alarm sounding state*2	Theft warning siren circuit	Click here