Theft Deterrent System (W/ 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/ 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/ 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 or siren to sound and the lights to light up or blink in order to alert people around the vehicle to the theft.
Dtc B2762 Intrusion Sensor Signal Circuit Malfunction
Disconnect the J75 ECU connector and R5 light connector.
Dtc B2763 Intrusion Sensor +B Circuit Malfunction (Gnd Short)
Disconnect the J75 ECU connector and R5 light connector.
Theft Deterrent System (W/ Intrusion Sensor) - Diagnostic Trouble Code Chart
Lexus IS250 IS220d GSE20 ALE20 THEFT DETERRENT
Theft Deterrent System (W/ Intrusion Sensor) - Data List / Active Test
Connect the intelligent tester to the DLC3.
Theft Deterrent System (W/ Intrusion Sensor) - Dtc Check / Clear
Connect the intelligent tester to the DLC3.
Theft Deterrent System (W/ Intrusion Sensor) - Diagnosis System
Theft deterrent system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs.