Theft Deterrent System (W/O Intrusion Sensor) - Security Horn Circuit
When the theft deterrent system is operating, the relay in the main body ECU RH turns on and off, causing the security horn to sound.
Theft Deterrent System (W/O Intrusion Sensor) - Horn Circuit
When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU RH transmits a signal to cause the horn to sound at intervals of 0.4 seconds.
Theft Deterrent System (W/O Intrusion Sensor) - Engine Hood Courtesy Switch Circuit
The engine hood courtesy switch is installed together with the hood lock. This switch turns on when the engine hood is opened and turns off when the engine hood is closed.
Theft Deterrent System (W/O Intrusion Sensor) - On-Vehicle Inspection
When the theft deterrent system detects that the vehicle is being tampered with, the system sets off the alarm, causing the horns to sound and the lights to light up or blink in order to alert people around the vehicle to the theft.
Theft Deterrent System (W/O Intrusion Sensor) - Data List / Active Test
Connect the intelligent tester to the DLC3.
Theft Deterrent System (W/O Intrusion Sensor) - Diagnosis System
The main body ECU RH controls the functions of the theft deterrent system on the vehicle. Wireless door lock control system data can be read in the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for a malfunction and perform repairs.
Theft Deterrent System (W/O Intrusion Sensor) - Terminals Of Ecu
Disconnect the main body ECU RH (cowl side J/B RH) connectors.
Theft Deterrent System (W/O Intrusion Sensor) - Problem Symptoms Table
Lexus IS250 IS220d GSE20 ALE20 THEFT DETERRENT
Theft Deterrent System (W/O Intrusion Sensor) - Customize Parameters
Lexus IS250 IS220d GSE20 ALE20 THEFT DETERRENT
Theft Deterrent System (W/O Intrusion Sensor) - How To Proceed With Troubleshooting
Interview the customer to confirm the trouble