THEFT DETERRENT SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips


  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of 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.

  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

  • Troubleshooting of the theft deterrent system is based on the premise that the door lock control system, wireless door lock control system, lighting system, horn system, engine immobiliser system and entry and start system (for Entry Function) 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 Door courtesy switch circuit

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Engine hood courtesy switch circuit

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Security indicator is not blinking when theft deterrent system is set Security indicator light circuit

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Theft deterrent system can be set even when any door is open Door courtesy switch circuit

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Engine hood courtesy switch circuit

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Horns (low pitched, high pitched) do not sound while theft deterrent system is in alarm sounding state Main body ECU (Instrument panel junction block assembly)

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Hazard warning lights do not flash while theft deterrent system is in alarm sounding state Main body ECU (Instrument panel junction block assembly)

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Theft warning siren (self power siren) does not sound while theft deterrent system is in alarm sounding state Theft warning siren circuit

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Intrusion sensor cancel switch does not operate*1 Intrusion sensor cancel switch circuit

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Glass breakage sensor does not operate*2 Glass breakage sensor circuit

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