Theft Deterrent System (W/ Intrusion Sensor) Ignition Switch Circuit

Securities. Lexus Is250, Is220D. Gse20 Ale20
Theft Deterrent. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

THEFT DETERRENT SYSTEM (w/ Intrusion Sensor) - Ignition Switch Circuit


DESCRIPTION

When the engine switch is turned on (IG), positive (+) battery voltage is applied to the main body ECU RH (cowl side J/B RH). When battery positive (+) voltage is applied to terminal IG of the main body ECU (cowl side J/B RH) while the theft deterrent system is operating, the warning stops.

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.Theft Deterrent.Theft Deterrent System (W/ Intrusion Sensor).Theft Deterrent System (W/ Intrusion Sensor) Ignition Switch Circuit


INSPECTION PROCEDURE

1.CHECK DTC

  1. Delete DTC (Click here).

  1. Check the DTC B2271, B2272 and B2274.

    Result
    		Proceed To
    No DTC is output
    		OK
    Any of DTCs is output
    		NG


NG
GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE