Securities. Lexus Gs430, Gs300. Uzs190 Grs190
Theft Deterrent. Lexus Gs430, Gs300. Uzs190 Grs190
Theft Deterrent System -- Problem Symptoms Table |
- HINT:
- 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.
| 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 |
- HINT:
- *1: Countries other than Europe, Russia, Turkey and China
- *2: Europe, Russia, Turkey and China